#B5422B#B5422B

#B5422B is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.5% C 0.154 H 33.2°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#B5422B
RGB	rgb(181, 66, 43)
HSL	hsl(10, 62%, 44%)
HSV	hsv(10, 76%, 71%)
CMYK	cmyk(0%, 63.5%, 76.2%, 29%)
CIE-LAB	lab(44.09, 45.39, 38.02)
CIE-LCH	lch(44.09, 59.21, 39.95°)
OKLab	oklab(53.53% 0.1289 0.0843)
OKLCH	oklch(53.53% 0.154 33.2)
XYZ	xyz(21.4426, 13.8977, 3.8384)
Luminance	0.1389 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5422B #2B9EB5

analogous

#B52B59 #B5422B #B5872B

triadic

#B5422B #2BB542 #422BB5

tetradic

#B5422B #59B52B #2B9EB5 #872BB5

square

#B5422B #59B52B #2B9EB5 #872BB5

split-complementary

#B5422B #2BB587 #2B59B5

monochromatic

#521E14 #84301F #B5422B #D46049 #E08C7B

Accessibility & contrast

On white

5.56

#B5422B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#B5422B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5422B

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5422B	#FFFFFF	#000000	##FFFFFF
##B5422B	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625828

Deuteranopia (green-blind)

#7F7227

Tritanopia (blue-blind)

#C7243D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b5422b;
/* rgb */ color: rgb(181, 66, 43);
/* oklch */ color: oklch(53.5% 0.154 33.2);

Tailwind

colors: {
  custom: {
    50: '#d37b66',
    500: '#b5422b',
    950: '#000000',
  },
}

SCSS

$custom: #b5422b;
$custom-light: #d37b66;
$custom-dark: #000000;

JSON

{
  "hex": "#b5422b",
  "rgb": {
    "r": 181,
    "g": 66,
    "b": 43
  },
  "hsl": {
    "h": 10,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.53525,
    "c": 0.15404,
    "h": 33.2
  },
  "luminance": 0.13895
}

Semantic roles & 50–950 ramp

primary

#B5422B

secondary

#74BAC8

accent

#CAE543

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #B5422B

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

Preview Lab → · Contrast checker → · Palette generator →