#240A09#240A09

#240A09 is a very dark, muted red. Relative luminance 0.006; OKLCH L 18.8% C 0.045 H 24.6°. Best body text is #FFFFFF at 18.71:1 contrast (WCAG AA passes).

Color values

HEX	#240A09
RGB	rgb(36, 10, 9)
HSL	hsl(2, 60%, 9%)
HSV	hsv(2, 75%, 14%)
CMYK	cmyk(0%, 72.2%, 75%, 85.9%)
CIE-LAB	lab(5.53, 12.42, 4.81)
CIE-LCH	lch(5.53, 13.32, 21.19°)
OKLab	oklab(18.82% 0.0407 0.0186)
OKLCH	oklch(18.82% 0.045 24.6)
XYZ	xyz(0.8855, 0.6120, 0.3299)
Luminance	0.0061 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#240A09 #092324

analogous

#240916 #240A09 #241809

triadic

#240A09 #09240A #0A0924

tetradic

#240A09 #162409 #092324 #180924

square

#240A09 #162409 #092324 #180924

split-complementary

#240A09 #092418 #091624

monochromatic

#180706 #180706 #240A09 #551815 #862521

Accessibility & contrast

On white

18.71

#240A09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#240A09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #240A09

18.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##240A09	#FFFFFF	#000000	##FFFFFF
##240A09	1.00	18.71	1.12	18.71
#FFFFFF	18.71	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#100F09

Deuteranopia (green-blind)

#171408

Tritanopia (blue-blind)

#28060A

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #240a09;
/* rgb */ color: rgb(36, 10, 9);
/* oklch */ color: oklch(18.8% 0.045 24.6);

Tailwind

colors: {
  custom: {
    50: '#5f4b4b',
    500: '#240a09',
    950: '#000000',
  },
}

SCSS

$custom: #240a09;
$custom-light: #5f4b4b;
$custom-dark: #000000;

JSON

{
  "hex": "#240a09",
  "rgb": {
    "r": 36,
    "g": 10,
    "b": 9
  },
  "hsl": {
    "h": 2.222,
    "s": 60,
    "l": 8.824
  },
  "oklch": {
    "l": 0.18818,
    "c": 0.04475,
    "h": 24.6
  },
  "luminance": 0.00612
}

Semantic roles & 50–950 ramp

primary

#240A09

secondary

#285F61

accent

#DDE345

background

#F5F4F4

surface

#E9E7E7

border

#C5C3C3

text

#050101

muted

#797777

Preview Lab

Preview with #240A09

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

Preview Lab → · Contrast checker → · Palette generator →