#B04431#B04431

#B04431 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.0% C 0.145 H 32.1°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#B04431
RGB	rgb(176, 68, 49)
HSL	hsl(9, 56%, 44%)
HSV	hsv(9, 72%, 69%)
CMYK	cmyk(0%, 61.4%, 72.2%, 31%)
CIE-LAB	lab(43.64, 42.93, 33.95)
CIE-LCH	lch(43.64, 54.73, 38.33°)
OKLab	oklab(53.04% 0.123 0.0772)
OKLCH	oklch(53.04% 0.145 32.1)
XYZ	xyz(20.5281, 13.5889, 4.4471)
Luminance	0.1359 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B04431 #319DB0

analogous

#B0315E #B04431 #B08431

triadic

#B04431 #31B044 #4431B0

tetradic

#B04431 #5EB031 #319DB0 #8431B0

square

#B04431 #5EB031 #319DB0 #8431B0

split-complementary

#B04431 #31B084 #315EB0

monochromatic

#501F16 #803224 #B04431 #CE6350 #DC8E80

Accessibility & contrast

On white

5.65

#B04431 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B04431 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B04431

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B04431	#FFFFFF	#000000	##FFFFFF
##B04431	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61582E

Deuteranopia (green-blind)

#7C702E

Tritanopia (blue-blind)

#C12B40

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b04431;
/* rgb */ color: rgb(176, 68, 49);
/* oklch */ color: oklch(53.0% 0.145 32.1);

Tailwind

colors: {
  custom: {
    50: '#cf7c6a',
    500: '#b04431',
    950: '#000000',
  },
}

SCSS

$custom: #b04431;
$custom-light: #cf7c6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b04431",
  "rgb": {
    "r": 176,
    "g": 68,
    "b": 49
  },
  "hsl": {
    "h": 8.976,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.53045,
    "c": 0.14519,
    "h": 32.1
  },
  "luminance": 0.13586
}

Semantic roles & 50–950 ramp

primary

#B04431

secondary

#78B9C5

accent

#C9E048

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150A06

muted

#837C7A

Preview Lab

Preview with #B04431

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

Preview Lab → · Contrast checker → · Palette generator →