#DDE7EF
#35489A
#1F2E72
#080D30
Background
Primary Accent
Secondary
Body Text

Indigo Reef Color Palette

#DDE7EF · #35489A · #1F2E72 · #080D30

AAA
WCAG Grade
15.1:1
Contrast Ratio
596
Saves
1,425
AI Copies
AI Prompt

Use #DDE7EF as the background. Use #35489A as the primary accent. Use #1F2E72 as secondary. Use #080D30 as body text/supporting color. Palette mood: Indigo Reef — ocean, cool, neon, moody, night.

Hex Codes, RGB & CMYK Color Values

Technical breakdown for the Indigo Reef 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: 78.8%
221, 231, 239 8%, 3%, 0%, 6% 207°, 36%, 90%
Primary Accent
Luminance: 7.7%
53, 72, 154 66%, 53%, 0%, 40% 229°, 49%, 41%
Secondary
Luminance: 3.5%
31, 46, 114 73%, 60%, 0%, 55% 229°, 57%, 28%
Body Text
Luminance: 0.6%
8, 13, 48 83%, 73%, 0%, 81% 233°, 71%, 11%

Indigo Reef 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 Indigo Reef palette — click any swatch to copy its hex.

#DDE7EF gently saturated cyan-blue
#35489A gently saturated blue
#1F2E72 gently saturated blue
#080D30 saturated blue

Indigo Reef 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
#080D30 on #DDE7EF
Aa Sample Text
15.08:1 AAA Body text, headings, UI
#DDE7EF on #080D30
Aa Sample Text
15.08:1 AAA Body text, headings, UI
#1F2E72 on #DDE7EF
Aa Sample Text
9.90:1 AAA Body text, headings, UI
#DDE7EF on #1F2E72
Aa Sample Text
9.90:1 AAA Body text, headings, UI
#35489A on #DDE7EF
Aa Sample Text
6.58:1 AA Body text, UI
#DDE7EF on #35489A
Aa Sample Text
6.58:1 AA Body text, UI
#080D30 on #35489A
Aa Sample Text
2.29:1 Fail Decorative use only
#35489A on #080D30
Aa Sample Text
2.29:1 Fail Decorative use only
#080D30 on #1F2E72
Aa Sample Text
1.52:1 Fail Decorative use only
#1F2E72 on #080D30
Aa Sample Text
1.52:1 Fail Decorative use only
#1F2E72 on #35489A
Aa Sample Text
1.50:1 Fail Decorative use only
#35489A on #1F2E72
Aa Sample Text
1.50:1 Fail Decorative use only

Indigo Reef Color Psychology & Meaning

Looking down a reef wall the water loses red first, then orange, then yellow, so by twenty metres the only colours left are indigo and the few creatures that make their own light, and this palette is shallow pale with drop deep. It feels silent and descending, the color of a blue that gets darker as you fall.

Color Harmony: Analogous Scheme

The Indigo Reef 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

Seawater absorbs red light within the first few metres, which is why underwater photographs taken without a flash are almost entirely blue; many reef fish compensate with red skin they use as camouflage.

Best Design Use Cases

Use the shallow pale for hero surfaces, reef indigo for interactive elements, drop deep for accents, and abyss dark for text.

Industries This Palette Suits

Software products, security and infrastructure tools, fintech, developer platforms.

Colors That Pair Well With Indigo Reef

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 #35489A on the wheel — the strongest accent for CTAs and highlights when you need maximum energy

violet

30° beside #35489A — 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 Indigo Reef Without Breaking Accessibility

  • Use #35489A for buttons and links — it scores 6.6:1 against the #DDE7EF background (above the 3:1 UI-components threshold).
  • Set body text in #080D30 — 15.1:1 against #DDE7EF passes WCAG AA (AAA) for long-form reading.
  • Let #1F2E72 carry sidebars, cards and footers — at a mid lightness it separates zones without stealing focus from #35489A.

How to Implement the Indigo Reef Color Scheme

To use this Indigo Reef 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 #DDE7EF for the main background and #35489A for primary buttons. This creates a high-contrast focal point.

Accessibility Note

The contrast ratio between #080D30 and #DDE7EF is 15.08:1 (AAA). Ensure your body text remains legible.

Indigo Reef Palette — Frequently Asked Questions

What are the hex codes in the Indigo Reef color palette?

The Indigo Reef palette contains #DDE7EF, #35489A, #1F2E72, #080D30. 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 Indigo Reef color palette accessible (WCAG)?

Yes for its strongest pairings: #080D30 on #DDE7EF reaches 15.1:1 (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 Indigo Reef palette?

Beyond its own four colors, #9C8935, #5A4091, #131516 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 Indigo Reef palette create?

Indigo Reef reads as ocean, cool, neon. Gently saturated blue drives the personality, grounded by gently saturated cyan-blue — a combination that works best when the very light base gets most of the canvas.

Can I use the Indigo Reef color palette commercially?

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

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