#240A05#240A05

#240A05 is a very dark, muted red. Relative luminance 0.006; OKLCH L 18.7% C 0.046 H 34.4°. Best body text is #FFFFFF at 18.74:1 contrast (WCAG AA passes).

Color values

HEX	#240A05
RGB	rgb(36, 10, 5)
HSL	hsl(10, 76%, 8%)
HSV	hsv(10, 86%, 14%)
CMYK	cmyk(0%, 72.2%, 86.1%, 85.9%)
CIE-LAB	lab(5.45, 11.88, 6.33)
CIE-LCH	lch(5.45, 13.46, 28.03°)
OKLab	oklab(18.71% 0.0382 0.0261)
OKLCH	oklch(18.71% 0.046 34.4)
XYZ	xyz(0.8636, 0.6032, 0.2145)
Luminance	0.0060 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#240A05 #051F24

analogous

#24050F #240A05 #241905

triadic

#240A05 #05240A #0A0524

tetradic

#240A05 #0F2405 #051F24 #190524

square

#240A05 #0F2405 #051F24 #190524

split-complementary

#240A05 #052419 #050F24

monochromatic

#1B0704 #1B0704 #240A05 #5A190C #8F2814

Accessibility & contrast

On white

18.74

#240A05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#240A05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #240A05

18.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##240A05	#FFFFFF	#000000	##FFFFFF
##240A05	1.00	18.74	1.12	18.74
#FFFFFF	18.74	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#110E05

Deuteranopia (green-blind)

#171405

Tritanopia (blue-blind)

#280509

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #240a05;
/* rgb */ color: rgb(36, 10, 5);
/* oklch */ color: oklch(18.7% 0.046 34.4);

Tailwind

colors: {
  custom: {
    50: '#5f4b49',
    500: '#240a05',
    950: '#000000',
  },
}

SCSS

$custom: #240a05;
$custom-light: #5f4b49;
$custom-dark: #000000;

JSON

{
  "hex": "#240a05",
  "rgb": {
    "r": 36,
    "g": 10,
    "b": 5
  },
  "hsl": {
    "h": 9.677,
    "s": 75.61,
    "l": 8.039
  },
  "oklch": {
    "l": 0.18708,
    "c": 0.04625,
    "h": 34.4
  },
  "luminance": 0.00603
}

Semantic roles & 50–950 ramp

primary

#240A05

secondary

#1F5A66

accent

#D4F236

background

#F5F4F4

surface

#E9E7E6

border

#C5C3C2

text

#050100

muted

#797777

Preview Lab

Preview with #240A05

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

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