#040E24#040E24

#040E24 is a very dark, muted blue. Relative luminance 0.005; OKLCH L 16.9% C 0.049 H 261.7°. Best body text is #FFFFFF at 19.21:1 contrast (WCAG AA passes).

Color values

HEX	#040E24
RGB	rgb(4, 14, 36)
HSL	hsl(221, 80%, 8%)
HSV	hsv(221, 89%, 14%)
CMYK	cmyk(88.9%, 61.1%, 0%, 85.9%)
CIE-LAB	lab(4.22, 3.33, -15.43)
CIE-LCH	lch(4.22, 15.78, 282.19°)
OKLab	oklab(16.88% -0.007 -0.0483)
OKLCH	oklch(16.88% 0.049 261.7)
XYZ	xyz(0.5254, 0.4672, 1.7312)
Luminance	0.0047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040E24 #241A04

analogous

#041E24 #040E24 #0A0424

triadic

#040E24 #24040E #0E2404

tetradic

#040E24 #24041E #241A04 #04240A

square

#040E24 #24041E #241A04 #04240A

split-complementary

#040E24 #240A04 #1E2404

monochromatic

#030B1C #030B1C #040E24 #0A235B #103992

Accessibility & contrast

On white

19.21

#040E24 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#040E24 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040E24

19.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040E24	#FFFFFF	#000000	##FFFFFF
##040E24	1.00	19.21	1.09	19.21
#FFFFFF	19.21	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041025

Deuteranopia (green-blind)

#010D24

Tritanopia (blue-blind)

#001317

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #040e24;
/* rgb */ color: rgb(4, 14, 36);
/* oklch */ color: oklch(16.9% 0.049 261.7);

Tailwind

colors: {
  custom: {
    50: '#484d5e',
    500: '#040e24',
    950: '#000000',
  },
}

SCSS

$custom: #040e24;
$custom-light: #484d5e;
$custom-dark: #000000;

JSON

{
  "hex": "#040e24",
  "rgb": {
    "r": 4,
    "g": 14,
    "b": 36
  },
  "hsl": {
    "h": 221.25,
    "s": 80,
    "l": 7.843
  },
  "oklch": {
    "l": 0.16876,
    "c": 0.04885,
    "h": 261.7
  },
  "luminance": 0.00467
}

Semantic roles & 50–950 ramp

primary

#040E24

secondary

#67501D

accent

#B931F6

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#010104

muted

#777779

Preview Lab

Preview with #040E24

Body copy rendered with the generated semantic roles for this colour.

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