#B04437#B04437

#B04437 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.1% C 0.144 H 29.5°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#B04437
RGB	rgb(176, 68, 55)
HSL	hsl(6, 52%, 45%)
HSV	hsv(6, 69%, 69%)
CMYK	cmyk(0%, 61.4%, 68.8%, 31%)
CIE-LAB	lab(43.72, 43.25, 30.59)
CIE-LCH	lch(43.72, 52.97, 35.27°)
OKLab	oklab(53.13% 0.1252 0.0709)
OKLCH	oklch(53.13% 0.144 29.5)
XYZ	xyz(20.6633, 13.6430, 5.1590)
Luminance	0.1364 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B04437 #37A3B0

analogous

#B03767 #B04437 #B08037

triadic

#B04437 #37B044 #4437B0

tetradic

#B04437 #67B037 #37A3B0 #8037B0

square

#B04437 #67B037 #37A3B0 #8037B0

split-complementary

#B04437 #37B080 #3767B0

monochromatic

#53201A #813228 #B04437 #CB6559 #DA9088

Accessibility & contrast

On white

5.63

#B04437 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#B04437 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B04437

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B04437	#FFFFFF	#000000	##FFFFFF
##B04437	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615935

Deuteranopia (green-blind)

#7C7034

Tritanopia (blue-blind)

#C12C41

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b04437;
/* rgb */ color: rgb(176, 68, 55);
/* oklch */ color: oklch(53.1% 0.144 29.5);

Tailwind

colors: {
  custom: {
    50: '#ce7c6e',
    500: '#b04437',
    950: '#000000',
  },
}

SCSS

$custom: #b04437;
$custom-light: #ce7c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#b04437",
  "rgb": {
    "r": 176,
    "g": 68,
    "b": 55
  },
  "hsl": {
    "h": 6.446,
    "s": 52.381,
    "l": 45.294
  },
  "oklch": {
    "l": 0.5313,
    "c": 0.14386,
    "h": 29.5
  },
  "luminance": 0.1364
}

Semantic roles & 50–950 ramp

primary

#B04437

secondary

#7FBCC4

accent

#CCDC4C

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B04437

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

Preview Lab → · Contrast checker → · Palette generator →