#240A03#240A03

#240A03 is a very dark, muted red. Relative luminance 0.006; OKLCH L 18.7% C 0.048 H 39.7°. Best body text is #FFFFFF at 18.75:1 contrast (WCAG AA passes).

Color values

HEX	#240A03
RGB	rgb(36, 10, 3)
HSL	hsl(13, 85%, 8%)
HSV	hsv(13, 92%, 14%)
CMYK	cmyk(0%, 72.2%, 91.7%, 85.9%)
CIE-LAB	lab(5.41, 11.61, 7.08)
CIE-LCH	lch(5.41, 13.60, 31.39°)
OKLab	oklab(18.65% 0.0366 0.0304)
OKLCH	oklch(18.65% 0.048 39.7)
XYZ	xyz(0.8526, 0.5988, 0.1568)
Luminance	0.0060 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#240A03 #031D24

analogous

#24030D #240A03 #241A03

triadic

#240A03 #03240A #0A0324

tetradic

#240A03 #0D2403 #031D24 #1A0324

square

#240A03 #0D2403 #031D24 #1A0324

split-complementary

#240A03 #03241A #030D24

monochromatic

#1C0802 #1C0802 #240A03 #5C1A08 #95290C

Accessibility & contrast

On white

18.75

#240A03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#240A03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #240A03

18.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##240A03	#FFFFFF	#000000	##FFFFFF
##240A03	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)

#110E02

Deuteranopia (green-blind)

#181403

Tritanopia (blue-blind)

#290508

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #240a03;
/* rgb */ color: rgb(36, 10, 3);
/* oklch */ color: oklch(18.7% 0.048 39.7);

Tailwind

colors: {
  custom: {
    50: '#5f4b48',
    500: '#240a03',
    950: '#000000',
  },
}

SCSS

$custom: #240a03;
$custom-light: #5f4b48;
$custom-dark: #000000;

JSON

{
  "hex": "#240a03",
  "rgb": {
    "r": 36,
    "g": 10,
    "b": 3
  },
  "hsl": {
    "h": 12.727,
    "s": 84.615,
    "l": 7.647
  },
  "oklch": {
    "l": 0.18653,
    "c": 0.04759,
    "h": 39.7
  },
  "luminance": 0.00599
}

Semantic roles & 50–950 ramp

primary

#240A03

secondary

#1B5868

accent

#CFFB2D

background

#F5F4F4

surface

#E9E7E6

border

#C5C3C2

text

#050100

muted

#797777

Preview Lab

Preview with #240A03

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

Preview Lab → · Contrast checker → · Palette generator →