#240A04#240A04

#240A04 is a very dark, muted red. Relative luminance 0.006; OKLCH L 18.7% C 0.047 H 37.0°. Best body text is #FFFFFF at 18.75:1 contrast (WCAG AA passes).

Color values

HEX	#240A04
RGB	rgb(36, 10, 4)
HSL	hsl(11, 80%, 8%)
HSV	hsv(11, 89%, 14%)
CMYK	cmyk(0%, 72.2%, 88.9%, 85.9%)
CIE-LAB	lab(5.43, 11.75, 6.70)
CIE-LCH	lch(5.43, 13.53, 29.71°)
OKLab	oklab(18.68% 0.0374 0.0282)
OKLCH	oklch(18.68% 0.047 37)
XYZ	xyz(0.8581, 0.6010, 0.1857)
Luminance	0.0060 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#240A04 #041E24

analogous

#24040E #240A04 #241A04

triadic

#240A04 #04240A #0A0424

tetradic

#240A04 #0E2404 #041E24 #1A0424

square

#240A04 #0E2404 #041E24 #1A0424

split-complementary

#240A04 #04241A #040E24

monochromatic

#1C0803 #1C0803 #240A04 #5B190A #922910

Accessibility & contrast

On white

18.75

#240A04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#240A04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #240A04

18.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##240A04	#FFFFFF	#000000	##FFFFFF
##240A04	1.00	18.75	1.12	18.75
#FFFFFF	18.75	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#110E04

Deuteranopia (green-blind)

#171404

Tritanopia (blue-blind)

#290508

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #240a04;
/* rgb */ color: rgb(36, 10, 4);
/* oklch */ color: oklch(18.7% 0.047 37.0);

Tailwind

colors: {
  custom: {
    50: '#5f4b48',
    500: '#240a04',
    950: '#000000',
  },
}

SCSS

$custom: #240a04;
$custom-light: #5f4b48;
$custom-dark: #000000;

JSON

{
  "hex": "#240a04",
  "rgb": {
    "r": 36,
    "g": 10,
    "b": 4
  },
  "hsl": {
    "h": 11.25,
    "s": 80,
    "l": 7.843
  },
  "oklch": {
    "l": 0.1868,
    "c": 0.04686,
    "h": 37
  },
  "luminance": 0.00601
}

Semantic roles & 50–950 ramp

primary

#240A04

secondary

#1D5967

accent

#D1F631

background

#F5F4F4

surface

#E9E7E6

border

#C5C3C2

text

#050100

muted

#797777

Preview Lab

Preview with #240A04

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

Preview Lab → · Contrast checker → · Palette generator →