#240B04#240B04

#240B04 is a very dark, muted red. Relative luminance 0.006; OKLCH L 18.9% C 0.046 H 39.2°. Best body text is #FFFFFF at 18.67:1 contrast (WCAG AA passes).

Color values

HEX	#240B04
RGB	rgb(36, 11, 4)
HSL	hsl(13, 80%, 8%)
HSV	hsv(13, 89%, 14%)
CMYK	cmyk(0%, 69.4%, 88.9%, 85.9%)
CIE-LAB	lab(5.63, 11.33, 7.00)
CIE-LCH	lch(5.63, 13.31, 31.71°)
OKLab	oklab(18.88% 0.0354 0.0288)
OKLCH	oklch(18.88% 0.046 39.2)
XYZ	xyz(0.8692, 0.6233, 0.1894)
Luminance	0.0062 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#240B04 #041D24

analogous

#24040D #240B04 #241B04

triadic

#240B04 #04240B #0B0424

tetradic

#240B04 #0D2404 #041D24 #1B0424

square

#240B04 #0D2404 #041D24 #1B0424

split-complementary

#240B04 #04241B #040D24

monochromatic

#1C0803 #1C0803 #240B04 #5B1C0A #922D10

Accessibility & contrast

On white

18.67

#240B04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#240B04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #240B04

18.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##240B04	#FFFFFF	#000000	##FFFFFF
##240B04	1.00	18.67	1.12	18.67
#FFFFFF	18.67	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#120F03

Deuteranopia (green-blind)

#181504

Tritanopia (blue-blind)

#280609

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #240b04;
/* rgb */ color: rgb(36, 11, 4);
/* oklch */ color: oklch(18.9% 0.046 39.2);

Tailwind

colors: {
  custom: {
    50: '#5f4b48',
    500: '#240b04',
    950: '#000000',
  },
}

SCSS

$custom: #240b04;
$custom-light: #5f4b48;
$custom-dark: #000000;

JSON

{
  "hex": "#240b04",
  "rgb": {
    "r": 36,
    "g": 11,
    "b": 4
  },
  "hsl": {
    "h": 13.125,
    "s": 80,
    "l": 7.843
  },
  "oklch": {
    "l": 0.18876,
    "c": 0.04564,
    "h": 39.2
  },
  "luminance": 0.00623
}

Semantic roles & 50–950 ramp

primary

#240B04

secondary

#1D5767

accent

#CBF631

background

#F5F4F4

surface

#E9E7E6

border

#C5C3C2

text

#050100

muted

#797777

Preview Lab

Preview with #240B04

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

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