#DDE2EC
#3C4A8A
#26306A
#0C1233
Background
Primary Accent
Secondary
Body Text

Blue Hour Color Palette

#DDE2EC · #3C4A8A · #26306A · #0C1233

AAA
WCAG Grade
14.1:1
Contrast Ratio
905
Saves
2,280
AI Copies
AI Prompt

Use #DDE2EC as the background. Use #3C4A8A as the primary accent. Use #26306A as secondary. Use #0C1233 as body text/supporting color. Palette mood: Blue Hour — cool, night, moody, pastel, ocean.

Hex Codes, RGB & CMYK Color Values

Technical breakdown for the Blue Hour 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: 75.8%
221, 226, 236 6%, 4%, 0%, 7% 220°, 28%, 90%
Primary Accent
Luminance: 7.7%
60, 74, 138 57%, 46%, 0%, 46% 229°, 39%, 39%
Secondary
Luminance: 3.6%
38, 48, 106 64%, 55%, 0%, 58% 231°, 47%, 28%
Body Text
Luminance: 0.7%
12, 18, 51 76%, 65%, 0%, 80% 231°, 62%, 12%

Blue Hour 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 palette — click any swatch to copy its hex.

#DDE2EC gently saturated blue
#3C4A8A gently saturated blue
#26306A gently saturated blue
#0C1233 gently saturated blue

Blue Hour 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
#0C1233 on #DDE2EC
Aa Sample Text
14.06:1 AAA Body text, headings, UI
#DDE2EC on #0C1233
Aa Sample Text
14.06:1 AAA Body text, headings, UI
#26306A on #DDE2EC
Aa Sample Text
9.43:1 AAA Body text, headings, UI
#DDE2EC on #26306A
Aa Sample Text
9.43:1 AAA Body text, headings, UI
#3C4A8A on #DDE2EC
Aa Sample Text
6.37:1 AA Body text, UI
#DDE2EC on #3C4A8A
Aa Sample Text
6.37:1 AA Body text, UI
#0C1233 on #3C4A8A
Aa Sample Text
2.21:1 Fail Decorative use only
#3C4A8A on #0C1233
Aa Sample Text
2.21:1 Fail Decorative use only
#0C1233 on #26306A
Aa Sample Text
1.49:1 Fail Decorative use only
#26306A on #0C1233
Aa Sample Text
1.49:1 Fail Decorative use only
#26306A on #3C4A8A
Aa Sample Text
1.48:1 Fail Decorative use only
#3C4A8A on #26306A
Aa Sample Text
1.48:1 Fail Decorative use only

Blue Hour Color Psychology & Meaning

The blue hour is the twenty minutes after sunset when the sky is brighter than the lit land, so buildings turn into silhouettes without becoming black, and this palette is dusk pale with solstice deep. It feels liminal and photographable, the color of a city that has not turned its lights on yet.

Color Harmony: Analogous Scheme

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

Hue Wheel

A analogous palette is often preferred by professional designers because it creates a calm, serene atmosphere by using neighboring colors.

History & Design Context

The blue hour is sunlight scattered in the upper atmosphere reaching a place where the sun has already set; photographers prize it because the exposure range between sky and street finally fits.

Best Design Use Cases

Use the dusk pale for hero surfaces, hour indigo for interactive elements, solstice deep for accents, and night dark for text.

Industries This Palette Suits

Denim and workwear, textile brands, streetwear, craft and heritage labels.

Colors That Pair Well With Blue Hour

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.

yellow

directly opposite #3C4A8A on the wheel — the strongest accent for CTAs and highlights when you need maximum energy

violet

30° beside #3C4A8A — a calm secondary that extends the palette without adding tension

tinted neutral

a ink-black carrying the palette's own hue — perfect for surfaces and dividers

Using Blue Hour Without Breaking Accessibility

  • Use #3C4A8A for buttons and links — it scores 6.4:1 against the #DDE2EC background (above the 3:1 UI-components threshold).
  • Set body text in #0C1233 — 14.1:1 against #DDE2EC passes WCAG AA (AAA) for long-form reading.
  • Let #26306A carry sidebars, cards and footers — at a mid lightness it separates zones without stealing focus from #3C4A8A.

How to Implement the Blue Hour Color Scheme

To use this Blue Hour 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 #DDE2EC for the main background and #3C4A8A for primary buttons. This creates a high-contrast focal point.

Accessibility Note

The contrast ratio between #0C1233 and #DDE2EC is 14.06:1 (AAA). Ensure your body text remains legible.

Blue Hour Palette — Frequently Asked Questions

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

The Blue Hour palette contains #DDE2EC, #3C4A8A, #26306A, #0C1233. 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 color palette accessible (WCAG)?

Yes for its strongest pairings: #0C1233 on #DDE2EC reaches 14.1:1 (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 palette?

Beyond its own four colors, #8A7C3D, #594780, #131416 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 palette create?

Blue Hour reads as cool, night, moody. Gently saturated blue drives the personality, grounded by gently saturated blue — a combination that works best when the very light base gets most of the canvas.

Can I use the Blue Hour color palette commercially?

Yes. Individual color values can't be copyrighted, so the Blue Hour 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 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's exact values, including the tint and shade ramps shown above.

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