#B22525#B22525

#B22525 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.9% C 0.177 H 26.5°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#B22525
RGB	rgb(178, 37, 37)
HSL	hsl(0, 66%, 42%)
HSV	hsv(0, 79%, 70%)
CMYK	cmyk(0%, 79.2%, 79.2%, 30.2%)
CIE-LAB	lab(39.45, 55.15, 36.30)
CIE-LCH	lch(39.45, 66.03, 33.35°)
OKLab	oklab(49.94% 0.1586 0.0791)
OKLCH	oklch(49.94% 0.177 26.5)
XYZ	xyz(19.3579, 10.9248, 2.8393)
Luminance	0.1092 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22525 #25B2B2

analogous

#B2256C #B22525 #B26C25

triadic

#B22525 #25B225 #2525B2

tetradic

#B22525 #6CB225 #25B2B2 #6C25B2

square

#B22525 #6CB225 #25B2B2 #6C25B2

split-complementary

#B22525 #25B26C #256CB2

monochromatic

#4D1010 #7F1A1A #B22525 #D73D3D #E17070

Accessibility & contrast

On white

6.59

#B22525 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#B22525 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22525

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22525	#FFFFFF	#000000	##FFFFFF
##B22525	1.00	6.59	3.18	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524923

Deuteranopia (green-blind)

#74681F

Tritanopia (blue-blind)

#C40027

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b22525;
/* rgb */ color: rgb(178, 37, 37);
/* oklch */ color: oklch(49.9% 0.177 26.5);

Tailwind

colors: {
  custom: {
    50: '#d26d60',
    500: '#b22525',
    950: '#000000',
  },
}

SCSS

$custom: #b22525;
$custom-light: #d26d60;
$custom-dark: #000000;

JSON

{
  "hex": "#b22525",
  "rgb": {
    "r": 178,
    "g": 37,
    "b": 37
  },
  "hsl": {
    "h": 0,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49936,
    "c": 0.17723,
    "h": 26.5
  },
  "luminance": 0.10922
}

Semantic roles & 50–950 ramp

primary

#B22525

secondary

#6BC8C8

accent

#E9E93F

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160805

muted

#847B79

Preview Lab

Preview with #B22525

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

Preview Lab → · Contrast checker → · Palette generator →