#B75137#B75137

#B75137 is a mid, vivid red. Relative luminance 0.162; OKLCH L 56.0% C 0.139 H 35.4°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#B75137
RGB	rgb(183, 81, 55)
HSL	hsl(12, 54%, 47%)
HSV	hsv(12, 70%, 72%)
CMYK	cmyk(0%, 55.7%, 69.9%, 28.2%)
CIE-LAB	lab(47.28, 39.57, 35.04)
CIE-LCH	lch(47.28, 52.86, 41.53°)
OKLab	oklab(56.05% 0.113 0.0804)
OKLCH	oklch(56.05% 0.139 35.4)
XYZ	xyz(23.1627, 16.2309, 5.5268)
Luminance	0.1623 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B75137 #379DB7

analogous

#B7375D #B75137 #B79137

triadic

#B75137 #37B751 #5137B7

tetradic

#B75137 #5DB737 #379DB7 #9137B7

square

#B75137 #5DB737 #379DB7 #9137B7

split-complementary

#B75137 #37B791 #375DB7

monochromatic

#59271B #883C29 #B75137 #CE745D #DC9C8C

Accessibility & contrast

On white

4.95

#B75137 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#B75137 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B75137

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B75137	#FFFFFF	#000000	##FFFFFF
##B75137	1.00	4.95	4.25	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C6234

Deuteranopia (green-blind)

#857934

Tritanopia (blue-blind)

#C93C4B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #b75137;
/* rgb */ color: rgb(183, 81, 55);
/* oklch */ color: oklch(56.0% 0.139 35.4);

Tailwind

colors: {
  custom: {
    50: '#d3856f',
    500: '#b75137',
    950: '#000000',
  },
}

SCSS

$custom: #b75137;
$custom-light: #d3856f;
$custom-dark: #000000;

JSON

{
  "hex": "#b75137",
  "rgb": {
    "r": 183,
    "g": 81,
    "b": 55
  },
  "hsl": {
    "h": 12.187,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.56045,
    "c": 0.13862,
    "h": 35.4
  },
  "luminance": 0.16228
}

Semantic roles & 50–950 ramp

primary

#B75137

secondary

#83B9C7

accent

#BFDD4B

background

#FDF8F6

surface

#FBEFEC

border

#D4CAC7

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B75137

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

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