#902F1B#902F1B

#902F1B is a dark, vivid red. Relative luminance 0.080; OKLCH L 44.7% C 0.135 H 33.4°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#902F1B
RGB	rgb(144, 47, 27)
HSL	hsl(10, 68%, 34%)
HSV	hsv(10, 81%, 56%)
CMYK	cmyk(0%, 67.4%, 81.3%, 43.5%)
CIE-LAB	lab(34.07, 39.90, 34.28)
CIE-LCH	lch(34.07, 52.61, 40.66°)
OKLab	oklab(44.69% 0.1127 0.0744)
OKLCH	oklch(44.69% 0.135 33.4)
XYZ	xyz(12.7174, 8.0433, 1.9196)
Luminance	0.0804 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#902F1B #1B7C90

analogous

#901B42 #902F1B #90691B

triadic

#902F1B #1B902F #2F1B90

tetradic

#902F1B #42901B #1B7C90 #691B90

square

#902F1B #42901B #1B7C90 #691B90

split-complementary

#902F1B #1B9069 #1B4290

monochromatic

#290D08 #5C1E11 #902F1B #C44025 #DD6249

Accessibility & contrast

On white

8.05

#902F1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#902F1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #902F1B

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##902F1B	#FFFFFF	#000000	##FFFFFF
##902F1B	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4318

Deuteranopia (green-blind)

#635817

Tritanopia (blue-blind)

#9F122B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #902f1b;
/* rgb */ color: rgb(144, 47, 27);
/* oklch */ color: oklch(44.7% 0.135 33.4);

Tailwind

colors: {
  custom: {
    50: '#b86d59',
    500: '#902f1b',
    950: '#000000',
  },
}

SCSS

$custom: #902f1b;
$custom-light: #b86d59;
$custom-dark: #000000;

JSON

{
  "hex": "#902f1b",
  "rgb": {
    "r": 144,
    "g": 47,
    "b": 27
  },
  "hsl": {
    "h": 10.256,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.44686,
    "c": 0.13505,
    "h": 33.4
  },
  "luminance": 0.08041
}

Semantic roles & 50–950 ramp

primary

#902F1B

secondary

#48AABF

accent

#CDEB3D

background

#FCF6F5

surface

#F8ECE9

border

#D1C7C5

text

#130703

muted

#827A78

Preview Lab

Preview with #902F1B

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

Preview Lab → · Contrast checker → · Palette generator →