#B04337#B04337

#B04337 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.0% C 0.145 H 29.1°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#B04337
RGB	rgb(176, 67, 55)
HSL	hsl(6, 52%, 45%)
HSV	hsv(6, 69%, 69%)
CMYK	cmyk(0%, 61.9%, 68.8%, 31%)
CIE-LAB	lab(43.54, 43.71, 30.38)
CIE-LCH	lch(43.54, 53.23, 34.80°)
OKLab	oklab(53% 0.1266 0.0705)
OKLCH	oklch(53% 0.145 29.1)
XYZ	xyz(20.6033, 13.5231, 5.1390)
Luminance	0.1352 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B04337 #37A4B0

analogous

#B03768 #B04337 #B07F37

triadic

#B04337 #37B043 #4337B0

tetradic

#B04337 #68B037 #37A4B0 #7F37B0

square

#B04337 #68B037 #37A4B0 #7F37B0

split-complementary

#B04337 #37B07F #3768B0

monochromatic

#531F1A #813128 #B04337 #CB6459 #DA9088

Accessibility & contrast

On white

5.67

#B04337 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#B04337 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B04337

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B04337	#FFFFFF	#000000	##FFFFFF
##B04337	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605835

Deuteranopia (green-blind)

#7B7034

Tritanopia (blue-blind)

#C12B41

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b04337;
/* rgb */ color: rgb(176, 67, 55);
/* oklch */ color: oklch(53.0% 0.145 29.1);

Tailwind

colors: {
  custom: {
    50: '#ce7c6e',
    500: '#b04337',
    950: '#000000',
  },
}

SCSS

$custom: #b04337;
$custom-light: #ce7c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#b04337",
  "rgb": {
    "r": 176,
    "g": 67,
    "b": 55
  },
  "hsl": {
    "h": 5.95,
    "s": 52.381,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52998,
    "c": 0.1449,
    "h": 29.1
  },
  "luminance": 0.1352
}

Semantic roles & 50–950 ramp

primary

#B04337

secondary

#7FBDC4

accent

#CEDC4C

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B04337

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

Preview Lab → · Contrast checker → · Palette generator →