#2E4468
#5E7AA0
#C8A860
#0E1A2E
Background
Primary Accent
Secondary
Body Text

Blue Hour Sky Color Palette

#2E4468 · #5E7AA0 · #C8A860 · #0E1A2E

Fail
WCAG Grade
1.8:1
Contrast Ratio
683
Saves
2,449
AI Copies
AI Prompt

Use #2E4468 as the background. Use #5E7AA0 as the primary accent. Use #C8A860 as secondary. Use #0E1A2E as body text/supporting color. Palette mood: Blue Hour Sky — night, cool, sunset, moody.

Hex Codes, RGB & CMYK Color Values

Technical breakdown for the Blue Hour Sky color scheme. Use these values for web design (HEX/RGB), print projects (CMYK), or specialized design software (HSL).

Swatch Design Role HEX RGB CMYK HSL
Background
Luminance: 5.7%
46, 68, 104 56%, 35%, 0%, 59% 217°, 39%, 29%
Primary Accent
Luminance: 18.8%
94, 122, 160 41%, 24%, 0%, 37% 215°, 26%, 50%
Secondary
Luminance: 41.1%
200, 168, 96 0%, 16%, 52%, 22% 42°, 49%, 58%
Body Text
Luminance: 1.0%
14, 26, 46 70%, 43%, 0%, 82% 218°, 53%, 12%

Blue Hour Sky Tints & Shades

Hover states, borders and elevation need lighter and darker steps of your base colors. Here are computed tints and shades for every color in the Blue Hour Sky palette — click any swatch to copy its hex.

#2E4468 gently saturated blue
#5E7AA0 gently saturated cyan-blue
#C8A860 gently saturated orange
#0E1A2E gently saturated blue

Blue Hour Sky Palette Contrast Matrix (WCAG 2.1)

Every color tested as text on every other color as background. Body copy needs 4.5:1 (AA), large text and UI components 3:1. AAA requires 7:1.

Text on Background Preview Ratio Grade Safe For
#0E1A2E on #C8A860
Aa Sample Text
7.65:1 AAA Body text, headings, UI
#C8A860 on #0E1A2E
Aa Sample Text
7.65:1 AAA Body text, headings, UI
#C8A860 on #2E4468
Aa Sample Text
4.31:1 Fail Large headings, UI components
#2E4468 on #C8A860
Aa Sample Text
4.31:1 Fail Large headings, UI components
#0E1A2E on #5E7AA0
Aa Sample Text
3.95:1 Fail Large headings, UI components
#5E7AA0 on #0E1A2E
Aa Sample Text
3.95:1 Fail Large headings, UI components
#5E7AA0 on #2E4468
Aa Sample Text
2.22:1 Fail Decorative use only
#2E4468 on #5E7AA0
Aa Sample Text
2.22:1 Fail Decorative use only
#C8A860 on #5E7AA0
Aa Sample Text
1.94:1 Fail Decorative use only
#5E7AA0 on #C8A860
Aa Sample Text
1.94:1 Fail Decorative use only
#0E1A2E on #2E4468
Aa Sample Text
1.78:1 Fail Decorative use only
#2E4468 on #0E1A2E
Aa Sample Text
1.78:1 Fail Decorative use only

Blue Hour Sky Color Psychology & Meaning

The blue hour is the twenty minutes after sunset when the sky is blue but artificial lights are already on, and the two balance each other, and this palette is blue hour with window warm. It feels balanced and brief, the color of a street where lamps and sky match.

Color Harmony: Complementary Scheme

The Blue Hour Sky palette is built using a complementary relationship between its hues. This ensures that even with high-contrast accents, the overall scheme feels balanced and intentional.

Hue Wheel

A complementary palette is often preferred by professional designers because it provides maximum contrast and energy by using opposite colors.

History & Design Context

The blue hour occurs because indirect sunlight continues to illuminate the sky after the sun is below the horizon, while street lighting is already switched on, giving interior and exterior light similar intensities.

Best Design Use Cases

Use the blue hour for backgrounds, city blue for primary actions, window warm for highlights, and dusk dark for text.

Industries This Palette Suits

Astronomy and space education, nightlife, premium audio.

Colors That Pair Well With Blue Hour Sky

Need a fifth color? These three companions are computed from the palette's own hue positions on the color wheel, so they extend the scheme without breaking its harmony.

orange

directly opposite #5E7AA0 on the wheel — the strongest accent for CTAs and highlights when you need maximum energy

blue

30° beside #5E7AA0 — a calm secondary that extends the palette without adding tension

tinted neutral

a paper-white carrying the palette's own hue — perfect for surfaces and dividers

Using Blue Hour Sky Without Breaking Accessibility

  • Avoid #5E7AA0 for small UI elements on #2E4468 — at 2.2:1 it misses the 3:1 WCAG threshold; darken it with a shade from the ramp below.
  • Don't set body copy in #0E1A2E on #2E4468 — 1.8:1 fails WCAG AA; keep it for large decorative headings only.
  • Don't use #C8A860 behind body text — this light tone works better for surfaces, badges and dividers than for reading areas.

How to Implement the Blue Hour Sky Color Scheme

To use this Blue Hour Sky color palette in your web project, you can copy the following CSS variables or Tailwind CSS configuration. These roles ensure your UI maintains accessibility and visual hierarchy.

Option 1: CSS Variables

:root { 
  /* {name} Palette - ihatecolors.com */{'
'}  --color-bg: {colors[0]};{'
'}  --color-primary: {colors[1]};{'
'}  --color-secondary: {colors[2]};{'
'}  --color-text: {colors[3]};{'
'} {'}'}

Web Design Tip

Use #2E4468 for the main background and #5E7AA0 for primary buttons. This creates a high-contrast focal point.

Accessibility Note

The contrast ratio between #0E1A2E and #2E4468 is 1.78:1 (Fail). Ensure your body text remains legible.

Blue Hour Sky Palette — Frequently Asked Questions

What are the hex codes in the Blue Hour Sky color palette?

The Blue Hour Sky palette contains #2E4468, #5E7AA0, #C8A860, #0E1A2E. Click any swatch on this page to copy its value, or export all four at once as CSS variables, Tailwind config, SCSS or a Figma-ready list.

Is the Blue Hour Sky color palette accessible (WCAG)?

Yes for its strongest pairings: #0E1A2E on #C8A860 reaches 7.7:1 (AAA). For body text always keep a 4.5:1 ratio and for large UI elements 3:1 — the full contrast matrix above shows the exact score for every color-on-color combination in this palette.

What colors go well with the Blue Hour Sky palette?

Beyond its own four colors, #A1855E, #6E6B94, #EBEDEF extend it naturally: the complementary hue for high-energy accents, an analogous neighbor for calm transitions, and a tinted neutral for surfaces. All three are computed from this palette's hues on the color wheel.

What mood does the Blue Hour Sky palette create?

Blue Hour Sky reads as night, cool, sunset. Gently saturated cyan-blue drives the personality, grounded by gently saturated blue — a combination that works best when the mid-tone base gets most of the canvas.

Can I use the Blue Hour Sky color palette commercially?

Yes. Individual color values can't be copyrighted, so the Blue Hour Sky palette is free for personal, client and commercial work — websites, branding, apps, print and social content, with no attribution required.

How do I add the Blue Hour Sky palette to Tailwind or CSS?

Use the export panel on this page: CSS variables, a Tailwind config block, SCSS variables, or a Figma copy list are generated from Blue Hour Sky's exact values, including the tint and shade ramps shown above.

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