#903740#903740

#903740 is a mid, vivid red. Relative luminance 0.090; OKLCH L 46.4% C 0.121 H 17.1°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#903740
RGB	rgb(144, 55, 64)
HSL	hsl(354, 45%, 39%)
HSV	hsv(354, 62%, 56%)
CMYK	cmyk(0%, 61.8%, 55.6%, 43.5%)
CIE-LAB	lab(36.05, 38.41, 14.20)
CIE-LCH	lch(36.05, 40.95, 20.29°)
OKLab	oklab(46.36% 0.1152 0.0354)
OKLCH	oklch(46.36% 0.121 17.1)
XYZ	xyz(13.7944, 9.0336, 5.8667)
Luminance	0.0903 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#903740 #379087

analogous

#90376D #903740 #905B37

triadic

#903740 #409037 #374090

tetradic

#903740 #6D9037 #379087 #5B3790

square

#903740 #6D9037 #379087 #5B3790

split-complementary

#903740 #37905B #376D90

monochromatic

#371519 #64262C #903740 #BA4A56 #CB777F

Accessibility & contrast

On white

7.48

#903740 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#903740 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #903740

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##903740	#FFFFFF	#000000	##FFFFFF
##903740	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4940

Deuteranopia (green-blind)

#635C3E

Tritanopia (blue-blind)

#9D283B

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #903740;
/* rgb */ color: rgb(144, 55, 64);
/* oklch */ color: oklch(46.4% 0.121 17.1);

Tailwind

colors: {
  custom: {
    50: '#b57274',
    500: '#903740',
    950: '#000000',
  },
}

SCSS

$custom: #903740;
$custom-light: #b57274;
$custom-dark: #000000;

JSON

{
  "hex": "#903740",
  "rgb": {
    "r": 144,
    "g": 55,
    "b": 64
  },
  "hsl": {
    "h": 353.933,
    "s": 44.724,
    "l": 39.02
  },
  "oklch": {
    "l": 0.46358,
    "c": 0.12054,
    "h": 17.1
  },
  "luminance": 0.09032
}

Semantic roles & 50–950 ramp

primary

#903740

secondary

#6FB4AD

accent

#D4C753

background

#FBF7F7

surface

#F6EDED

border

#D0C8C8

text

#120808

muted

#817B7B

Preview Lab

Preview with #903740

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

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