Muted Blue & Charcoal, Gray Color Palette — PaletteCSS
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Muted Blue & Charcoal, Gray Color Palette

#293130 41, 49, 48
#766574 118, 101, 116
#0A0A0E 10, 10, 14
#3F506E 63, 80, 110
#293130
Color 1
#766574
Color 2
#0A0A0E
Color 3
#3F506E
Color 4
:root {
  --color-1: #293130;
  --color-2: #766574;
  --color-3: #0A0A0E;
  --color-4: #3F506E;
}
colors: {
  'palette-1': '#293130',
  'palette-2': '#766574',
  'palette-3': '#0A0A0E',
  'palette-4': '#3F506E',
}
const palette = [
  '#293130',
  '#766574',
  '#0A0A0E',
  '#3F506E',
];
$color-1: #293130;
$color-2: #766574;
$color-3: #0A0A0E;
$color-4: #3F506E;
Palette Codes 4 COLORS

This is a cool, subtle 4-colour palette with a comfortable balance of contrast and harmony.

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Added Jun 2026
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About this color palette

This is a cool, subtle 4-colour palette with a comfortable balance of contrast and harmony. It is anchored by Muted Blue (#3F506E) and reads as deep and moody, with an average saturation of 15% and lightness of 25%. It works well for calm, professional and modern interfaces.

The colors in this palette

Charcoal #293130

rgb(41, 49, 48) · hsl(172, 9%, 18%)

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

Gray #766574

rgb(118, 101, 116) · hsl(307, 8%, 43%)

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

Black #0A0A0E

rgb(10, 10, 14) · hsl(240, 17%, 5%)

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

Muted Blue #3F506E

rgb(63, 80, 110) · hsl(218, 27%, 34%)

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

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
#766574 #0A0A0E 3.65:1 Fail Fail
#293130 #766574 2.46:1 Fail Fail
#0A0A0E #3F506E 2.43:1 Fail Fail
#293130 #3F506E 1.64:1 Fail Fail
#766574 #3F506E 1.5:1 Fail Fail
#293130 #0A0A0E 1.48:1 Fail Fail

How to use these colors

  • Background — Gray (#766574): the lightest tone — a clean base for large areas
  • Text — Black (#0A0A0E): the darkest tone — readable for body copy and headings
  • Primary — Muted Blue (#3F506E): the most saturated tone — buttons, links and key UI
  • Accent — Black (#0A0A0E): 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 Muted Blue 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: Charcoal (#293130), Gray (#766574), Black (#0A0A0E) and Muted Blue (#3F506E).

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 #293130, #766574, #0A0A0E and #3F506E. 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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