Sea Urchin Color Psychology & Meaning
Sea urchin is the color of bioluminescent deep-sea life — these purples and pinks are what you'd see in the ocean at 200 meters, where beauty has no witnesses except itself.
#1A0A2A
#4A1A6A
#C85090
#F0C8E8
Background
Primary Accent
Secondary
Body Text
Sea Urchin Color Palette
#1A0A2A · #4A1A6A · #C85090 · #F0C8E8
AAA
WCAG Grade
12.6:1
Contrast Ratio
2,000
Saves
5,400
AI Copies
Use #1A0A2A as the background. Use #4A1A6A as the primary accent. Use #C85090 as secondary. Use #F0C8E8 as body text. Palette: Sea Urchin — dark, sea, mysterious.
Hex Codes, RGB & CMYK Color Values
Technical breakdown for the Sea Urchin 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: 0.6% | 26, 10, 42 | 38%, 76%, 0%, 84% | 270°, 62%, 10% | ||
| Primary Accent Luminance: 3.2% | 74, 26, 106 | 30%, 75%, 0%, 58% | 276°, 61%, 26% | ||
| Secondary Luminance: 20.0% | 200, 80, 144 | 0%, 60%, 28%, 22% | 328°, 52%, 55% | ||
| Body Text Luminance: 65.7% | 240, 200, 232 | 0%, 17%, 3%, 6% | 312°, 57%, 86% |
Sea Urchin 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 Sea Urchin palette — click any swatch to copy its hex.
#1A0A2A gently saturated violet
#4A1A6A gently saturated violet
#C85090 gently saturated magenta
#F0C8E8 gently saturated magenta
Sea Urchin 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 |
|---|---|---|---|---|
| #F0C8E8 on #1A0A2A |
Aa Sample Text
| 12.61:1 | AAA | Body text, headings, UI |
| #1A0A2A on #F0C8E8 |
Aa Sample Text
| 12.61:1 | AAA | Body text, headings, UI |
| #F0C8E8 on #4A1A6A |
Aa Sample Text
| 8.58:1 | AAA | Body text, headings, UI |
| #4A1A6A on #F0C8E8 |
Aa Sample Text
| 8.58:1 | AAA | Body text, headings, UI |
| #C85090 on #1A0A2A |
Aa Sample Text
| 4.47:1 | Fail | Large headings, UI components |
| #1A0A2A on #C85090 |
Aa Sample Text
| 4.47:1 | Fail | Large headings, UI components |
| #C85090 on #4A1A6A |
Aa Sample Text
| 3.04:1 | Fail | Large headings, UI components |
| #4A1A6A on #C85090 |
Aa Sample Text
| 3.04:1 | Fail | Large headings, UI components |
| #F0C8E8 on #C85090 |
Aa Sample Text
| 2.82:1 | Fail | Decorative use only |
| #C85090 on #F0C8E8 |
Aa Sample Text
| 2.82:1 | Fail | Decorative use only |
| #4A1A6A on #1A0A2A |
Aa Sample Text
| 1.47:1 | Fail | Decorative use only |
| #1A0A2A on #4A1A6A |
Aa Sample Text
| 1.47:1 | Fail | Decorative use only |
Color Harmony: Custom Scheme
The Sea Urchin palette is built using a custom relationship between its hues. This ensures that even with high-contrast accents, the overall scheme feels balanced and intentional.
Hue Wheel
A custom palette is often preferred by professional designers because it balances visual interest with cohesion.
History & Design Context
Deep sea bioluminescence imagery has captured significant public imagination through BBC Blue Planet documentaries. The purple-to-pink spectrum appears in marine science and ocean-inspired design.
Best Design Use Cases
Dark purple-black for backgrounds. Deep purple for surfaces. Vibrant rose for accent and interactive. Light pink for text on dark.
Industries This Palette Suits
Beauty brands, ocean-inspired products, marine science, editorial, luxury wellness.
Colors That Pair Well With Sea Urchin
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-green
directly opposite #4A1A6A on the wheel — the strongest accent for CTAs and highlights when you need maximum energy
magenta
30° beside #4A1A6A — 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 Sea Urchin Without Breaking Accessibility
- Avoid #4A1A6A for small UI elements on #1A0A2A — at 1.5:1 it misses the 3:1 WCAG threshold; darken it with a shade from the ramp below.
- Set body text in #F0C8E8 — 12.6:1 against #1A0A2A passes WCAG AA (AAA) for long-form reading.
- Don't use #C85090 behind body text — this light tone works better for surfaces, badges and dividers than for reading areas.
How to Implement the Sea Urchin Color Scheme
To use this Sea Urchin 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 #1A0A2A for the main background and #4A1A6A for primary buttons. This creates a high-contrast focal point.
Accessibility Note
The contrast ratio between #F0C8E8 and #1A0A2A is 12.61:1 (AAA). Ensure your body text remains legible.
Sea Urchin Palette — Frequently Asked Questions
What are the hex codes in the Sea Urchin color palette?
The Sea Urchin palette contains #1A0A2A, #4A1A6A, #C85090, #F0C8E8. 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 Sea Urchin color palette accessible (WCAG)?
Yes for its strongest pairings: #F0C8E8 on #1A0A2A reaches 12.6:1 (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 Sea Urchin palette?
Beyond its own four colors, #4E9023, #64205D, #EDEAF0 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 Sea Urchin palette create?
Sea Urchin reads as dark, sea, mysterious. Gently saturated violet drives the personality, grounded by gently saturated violet — a combination that works best when the deep base gets most of the canvas.
Can I use the Sea Urchin color palette commercially?
Yes. Individual color values can't be copyrighted, so the Sea Urchin 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 Sea Urchin 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 Sea Urchin's exact values, including the tint and shade ramps shown above.