#902837#902837

#902837 is a dark, vivid red. Relative luminance 0.077; OKLCH L 44.3% C 0.139 H 16.8°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#902837
RGB	rgb(144, 40, 55)
HSL	hsl(351, 57%, 36%)
HSV	hsv(351, 72%, 56%)
CMYK	cmyk(0%, 72.2%, 61.8%, 43.5%)
CIE-LAB	lab(33.40, 44.35, 16.43)
CIE-LCH	lch(33.40, 47.30, 20.32°)
OKLab	oklab(44.32% 0.1326 0.0401)
OKLCH	oklch(44.32% 0.139 16.8)
XYZ	xyz(12.9513, 7.7245, 4.4227)
Luminance	0.0772 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#902837 #289081

analogous

#90286B #902837 #904D28

triadic

#902837 #379028 #283790

tetradic

#902837 #6B9028 #289081 #4D2890

square

#902837 #6B9028 #289081 #4D2890

split-complementary

#902837 #28904D #286B90

monochromatic

#300D12 #601B25 #902837 #C03549 #D36070

Accessibility & contrast

On white

8.25

#902837 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#902837 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #902837

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##902837	#FFFFFF	#000000	##FFFFFF
##902837	1.00	8.25	2.54	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444137

Deuteranopia (green-blind)

#5E5734

Tritanopia (blue-blind)

#9E0C2E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #902837;
/* rgb */ color: rgb(144, 40, 55);
/* oklch */ color: oklch(44.3% 0.139 16.8);

Tailwind

colors: {
  custom: {
    50: '#b76a6d',
    500: '#902837',
    950: '#000000',
  },
}

SCSS

$custom: #902837;
$custom-light: #b76a6d;
$custom-dark: #000000;

JSON

{
  "hex": "#902837",
  "rgb": {
    "r": 144,
    "g": 40,
    "b": 55
  },
  "hsl": {
    "h": 351.346,
    "s": 56.522,
    "l": 36.078
  },
  "oklch": {
    "l": 0.44317,
    "c": 0.13853,
    "h": 16.8
  },
  "luminance": 0.07723
}

Semantic roles & 50–950 ramp

primary

#902837

secondary

#5CB8AB

accent

#E0CA48

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#120707

muted

#817A7A

Preview Lab

Preview with #902837

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

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