#240903#240903

#240903 is a very dark, muted red. Relative luminance 0.006; OKLCH L 18.5% C 0.049 H 37.6°. Best body text is #FFFFFF at 18.83:1 contrast (WCAG AA passes).

Color values

HEX	#240903
RGB	rgb(36, 9, 3)
HSL	hsl(11, 85%, 8%)
HSV	hsv(11, 92%, 14%)
CMYK	cmyk(0%, 75%, 91.7%, 85.9%)
CIE-LAB	lab(5.21, 12.01, 6.80)
CIE-LCH	lch(5.21, 13.80, 29.50°)
OKLab	oklab(18.46% 0.0387 0.0298)
OKLCH	oklch(18.46% 0.049 37.6)
XYZ	xyz(0.8418, 0.5771, 0.1532)
Luminance	0.0058 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#240903 #031E24

analogous

#24030D #240903 #241903

triadic

#240903 #032409 #090324

tetradic

#240903 #0D2403 #031E24 #190324

square

#240903 #0D2403 #031E24 #190324

split-complementary

#240903 #032419 #030D24

monochromatic

#1C0702 #1C0702 #240903 #5C1708 #95250C

Accessibility & contrast

On white

18.83

#240903 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#240903 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #240903

18.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##240903	#FFFFFF	#000000	##FFFFFF
##240903	1.00	18.83	1.12	18.83
#FFFFFF	18.83	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#100E02

Deuteranopia (green-blind)

#171403

Tritanopia (blue-blind)

#290407

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #240903;
/* rgb */ color: rgb(36, 9, 3);
/* oklch */ color: oklch(18.5% 0.049 37.6);

Tailwind

colors: {
  custom: {
    50: '#5f4a48',
    500: '#240903',
    950: '#000000',
  },
}

SCSS

$custom: #240903;
$custom-light: #5f4a48;
$custom-dark: #000000;

JSON

{
  "hex": "#240903",
  "rgb": {
    "r": 36,
    "g": 9,
    "b": 3
  },
  "hsl": {
    "h": 10.909,
    "s": 84.615,
    "l": 7.647
  },
  "oklch": {
    "l": 0.18457,
    "c": 0.04883,
    "h": 37.6
  },
  "luminance": 0.00577
}

Semantic roles & 50–950 ramp

primary

#240903

secondary

#1B5A68

accent

#D5FB2D

background

#F5F4F4

surface

#E9E7E6

border

#C5C3C2

text

#050100

muted

#797777

Preview Lab

Preview with #240903

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

Preview Lab → · Contrast checker → · Palette generator →