#2A2E30
#161A1C
#3E4446
#08090B
Background
Primary Accent
Secondary
Body Text

Deep Cave Color Palette

#2A2E30 · #161A1C · #3E4446 · #08090B

Fail
WCAG Grade
1.5:1
Contrast Ratio
1,084
Saves
2,340
AI Copies
AI Prompt

Use #2A2E30 as the background. Use #161A1C as the primary accent. Use #3E4446 as secondary. Use #08090B as body text/supporting color. Palette mood: Deep Cave — moody, mono, night, cool.

Hex Codes, RGB & CMYK Color Values

Technical breakdown for the Deep Cave 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: 2.7%
42, 46, 48 13%, 4%, 0%, 81% 200°, 7%, 18%
Primary Accent
Luminance: 1.0%
22, 26, 28 21%, 7%, 0%, 89% 200°, 12%, 10%
Secondary
Luminance: 5.6%
62, 68, 70 11%, 3%, 0%, 73% 195°, 6%, 26%
Body Text
Luminance: 0.3%
8, 9, 11 27%, 18%, 0%, 96% 220°, 16%, 4%

Deep Cave 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 Deep Cave palette — click any swatch to copy its hex.

#2A2E30 neutral gray
#161A1C muted cyan-blue
#3E4446 neutral gray
#08090B muted blue

Deep Cave 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
#08090B on #3E4446
Aa Sample Text
2.01:1 Fail Decorative use only
#3E4446 on #08090B
Aa Sample Text
2.01:1 Fail Decorative use only
#3E4446 on #161A1C
Aa Sample Text
1.77:1 Fail Decorative use only
#161A1C on #3E4446
Aa Sample Text
1.77:1 Fail Decorative use only
#08090B on #2A2E30
Aa Sample Text
1.45:1 Fail Decorative use only
#2A2E30 on #08090B
Aa Sample Text
1.45:1 Fail Decorative use only
#3E4446 on #2A2E30
Aa Sample Text
1.38:1 Fail Decorative use only
#2A2E30 on #3E4446
Aa Sample Text
1.38:1 Fail Decorative use only
#161A1C on #2A2E30
Aa Sample Text
1.28:1 Fail Decorative use only
#2A2E30 on #161A1C
Aa Sample Text
1.28:1 Fail Decorative use only
#08090B on #161A1C
Aa Sample Text
1.14:1 Fail Decorative use only
#161A1C on #08090B
Aa Sample Text
1.14:1 Fail Decorative use only

Deep Cave Color Psychology & Meaning

A deep cave removes all colour from the world: with no light, there is nothing to reflect, so the palette is entirely a memory of the lamp that revealed it, and this palette is cave grey with lit rock. It feels silent and total, the color of darkness with a rock texture in it.

Color Harmony: Analogous Scheme

The Deep Cave 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

In a cave with no natural light, colour is entirely a product of the light source you brought; candlelight makes rock look warm, and LED light makes it look grey-blue.

Best Design Use Cases

Use the cave grey for hero surfaces, cave dark for interactive elements, lit rock for accents, and absolute dark for text.

Industries This Palette Suits

Publishing, journalism, podcasts, photography.

Colors That Pair Well With Deep Cave

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 #161A1C on the wheel — the strongest accent for CTAs and highlights when you need maximum energy

blue

30° beside #161A1C — 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 Deep Cave Without Breaking Accessibility

  • Avoid #161A1C for small UI elements on #2A2E30 — at 1.3:1 it misses the 3:1 WCAG threshold; darken it with a shade from the ramp below.
  • Don't set body copy in #08090B on #2A2E30 — 1.5:1 fails WCAG AA; keep it for large decorative headings only.
  • Let #3E4446 carry sidebars, cards and footers — at a mid lightness it separates zones without stealing focus from #161A1C.

How to Implement the Deep Cave Color Scheme

To use this Deep Cave 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 #2A2E30 for the main background and #161A1C for primary buttons. This creates a high-contrast focal point.

Accessibility Note

The contrast ratio between #08090B and #2A2E30 is 1.45:1 (Fail). Ensure your body text remains legible.

Deep Cave Palette — Frequently Asked Questions

What are the hex codes in the Deep Cave color palette?

The Deep Cave palette contains #2A2E30, #161A1C, #3E4446, #08090B. 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 Deep Cave color palette accessible (WCAG)?

Yes for its strongest pairings: #08090B on #3E4446 reaches 2.0:1 (Fail). 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 Deep Cave palette?

Beyond its own four colors, #64564F, #17181C, #ECEDEE 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 Deep Cave palette create?

Deep Cave reads as moody, mono, night. Muted cyan-blue drives the personality, grounded by neutral gray — a combination that works best when the deep base gets most of the canvas.

Can I use the Deep Cave color palette commercially?

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

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