Black & Dark Blue, Gray Color Palette — PaletteCSS
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Black & Dark Blue, Gray Color Palette

#30383E 48, 56, 62
#546A68 84, 106, 104
#2D322F 45, 50, 47
#0A0A24 10, 10, 36
#30383E
Color 1
#546A68
Color 2
#2D322F
Color 3
#0A0A24
Color 4
:root {
  --color-1: #30383E;
  --color-2: #546A68;
  --color-3: #2D322F;
  --color-4: #0A0A24;
}
colors: {
  'palette-1': '#30383E',
  'palette-2': '#546A68',
  'palette-3': '#2D322F',
  'palette-4': '#0A0A24',
}
const palette = [
  '#30383E',
  '#546A68',
  '#2D322F',
  '#0A0A24',
];
$color-1: #30383E;
$color-2: #546A68;
$color-3: #2D322F;
$color-4: #0A0A24;
Palette Codes 4 COLORS

This is a cool, subtle 4-colour palette built from closely related tones that blend harmoniously.

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Added Jun 2026
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About this color palette

This is a cool, subtle 4-colour palette built from closely related tones that blend harmoniously. It is anchored by Black (#0A0A24) and reads as deep and moody, with an average saturation of 22% and lightness of 22%. It works well for calm, professional and modern interfaces.

The colors in this palette

Dark Blue #30383E

rgb(48, 56, 62) · hsl(206, 13%, 22%)

A deep, low-lightness tone — strong for text, headings and bold accents.

Gray #546A68

rgb(84, 106, 104) · hsl(175, 12%, 37%)

A soft, muted tone that suits calm backgrounds and large surfaces.

Charcoal #2D322F

rgb(45, 50, 47) · hsl(144, 5%, 19%)

A deep, low-lightness tone — strong for text, headings and bold accents.

Black #0A0A24

rgb(10, 10, 36) · hsl(240, 57%, 9%)

A deep, low-lightness tone — strong for text, headings and bold accents.

Accessibility & contrast

Colour contrast decides whether text stays readable. Here is how each pair of colours in this palette performs when one is used as text on the other, measured against the WCAG standard (AA needs 4.5:1, AAA needs 7:1).

TextBackgroundRatioAAAAA
#546A68 #0A0A24 3.36:1 Fail Fail
#546A68 #2D322F 2.26:1 Fail Fail
#30383E #546A68 2.07:1 Fail Fail
#30383E #0A0A24 1.63:1 Fail Fail
#2D322F #0A0A24 1.49:1 Fail Fail
#30383E #2D322F 1.09:1 Fail Fail

How to use these colors

  • Background — Gray (#546A68): the lightest tone — a clean base for large areas
  • Text — Black (#0A0A24): the darkest tone — readable for body copy and headings
  • Primary — Black (#0A0A24): the most saturated tone — buttons, links and key UI
  • Accent — Dark Blue (#30383E): a secondary highlight for badges and details

Colors that pair with this palette

Want to extend this palette? These colours pair naturally with its dominant Black tone, based on colour-wheel harmony. Tap a swatch to explore that colour family.

Frequently asked questions

What colours are in this palette?

This palette has 4 colours: Dark Blue (#30383E), Gray (#546A68), Charcoal (#2D322F) and Black (#0A0A24).

Is this a warm or cool colour palette?

It is a cool palette — its tones lean toward blues, greens and purples, which feel calm and modern.

What are the hex codes for this palette?

The hex codes are #30383E, #546A68, #2D322F and #0A0A24. You can copy them as CSS variables, Tailwind, SCSS or JSON from the code panel above.

Is this palette accessible for text?

The colours are fairly close in contrast, so pair them carefully for text — put a very light or very dark colour behind body text, and check the contrast table above.

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