#B22524#B22524

#B22524 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.9% C 0.177 H 26.8°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#B22524
RGB	rgb(178, 37, 36)
HSL	hsl(0, 66%, 42%)
HSV	hsv(0, 80%, 70%)
CMYK	cmyk(0%, 79.2%, 79.8%, 30.2%)
CIE-LAB	lab(39.44, 55.12, 36.86)
CIE-LCH	lch(39.44, 66.31, 33.77°)
OKLab	oklab(49.93% 0.1583 0.08)
OKLCH	oklch(49.93% 0.177 26.8)
XYZ	xyz(19.3425, 10.9186, 2.7578)
Luminance	0.1091 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22524 #24B1B2

analogous

#B2246A #B22524 #B26C24

triadic

#B22524 #24B225 #2524B2

tetradic

#B22524 #6AB224 #24B1B2 #6C24B2

square

#B22524 #6AB224 #24B1B2 #6C24B2

split-complementary

#B22524 #24B26C #246AB2

monochromatic

#4C100F #7F1A1A #B22524 #D83D3C #E26F6F

Accessibility & contrast

On white

6.60

#B22524 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#B22524 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22524

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22524	#FFFFFF	#000000	##FFFFFF
##B22524	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524922

Deuteranopia (green-blind)

#74681D

Tritanopia (blue-blind)

#C40027

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b22524;
/* rgb */ color: rgb(178, 37, 36);
/* oklch */ color: oklch(49.9% 0.177 26.8);

Tailwind

colors: {
  custom: {
    50: '#d26d5f',
    500: '#b22524',
    950: '#000000',
  },
}

SCSS

$custom: #b22524;
$custom-light: #d26d5f;
$custom-dark: #000000;

JSON

{
  "hex": "#b22524",
  "rgb": {
    "r": 178,
    "g": 37,
    "b": 36
  },
  "hsl": {
    "h": 0.423,
    "s": 66.355,
    "l": 41.961
  },
  "oklch": {
    "l": 0.49925,
    "c": 0.17734,
    "h": 26.8
  },
  "luminance": 0.10915
}

Semantic roles & 50–950 ramp

primary

#B22524

secondary

#69C8C8

accent

#E8E93F

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160805

muted

#847B79

Preview Lab

Preview with #B22524

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

Preview Lab → · Contrast checker → · Palette generator →