#B5422A#B5422A

#B5422A is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.5% C 0.154 H 33.5°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#B5422A
RGB	rgb(181, 66, 42)
HSL	hsl(10, 62%, 44%)
HSV	hsv(10, 77%, 71%)
CMYK	cmyk(0%, 63.5%, 76.8%, 29%)
CIE-LAB	lab(44.08, 45.35, 38.55)
CIE-LCH	lch(44.08, 59.52, 40.37°)
OKLab	oklab(53.51% 0.1286 0.0852)
OKLCH	oklch(53.51% 0.154 33.5)
XYZ	xyz(21.4245, 13.8904, 3.7430)
Luminance	0.1389 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5422A #2A9DB5

analogous

#B52A57 #B5422A #B5872A

triadic

#B5422A #2AB542 #422AB5

tetradic

#B5422A #57B52A #2A9DB5 #872AB5

square

#B5422A #57B52A #2A9DB5 #872AB5

split-complementary

#B5422A #2AB587 #2A57B5

monochromatic

#521E13 #83301E #B5422A #D46048 #E08B79

Accessibility & contrast

On white

5.56

#B5422A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#B5422A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5422A

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5422A	#FFFFFF	#000000	##FFFFFF
##B5422A	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)

#625827

Deuteranopia (green-blind)

#7F7226

Tritanopia (blue-blind)

#C7243D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b5422a;
/* rgb */ color: rgb(181, 66, 42);
/* oklch */ color: oklch(53.5% 0.154 33.5);

Tailwind

colors: {
  custom: {
    50: '#d37b65',
    500: '#b5422a',
    950: '#000000',
  },
}

SCSS

$custom: #b5422a;
$custom-light: #d37b65;
$custom-dark: #000000;

JSON

{
  "hex": "#b5422a",
  "rgb": {
    "r": 181,
    "g": 66,
    "b": 42
  },
  "hsl": {
    "h": 10.36,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.53514,
    "c": 0.15426,
    "h": 33.5
  },
  "luminance": 0.13887
}

Semantic roles & 50–950 ramp

primary

#B5422A

secondary

#73B9C8

accent

#C9E542

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #B5422A

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

Preview Lab → · Contrast checker → · Palette generator →