#B22F37#B22F37

#B22F37 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.1% C 0.167 H 22.3°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#B22F37
RGB	rgb(178, 47, 55)
HSL	hsl(356, 58%, 44%)
HSV	hsv(356, 74%, 70%)
CMYK	cmyk(0%, 73.6%, 69.1%, 30.2%)
CIE-LAB	lab(40.86, 52.65, 27.23)
CIE-LCH	lch(40.86, 59.28, 27.35°)
OKLab	oklab(51.06% 0.1546 0.0634)
OKLCH	oklch(51.06% 0.167 22.3)
XYZ	xyz(20.0684, 11.7769, 4.8301)
Luminance	0.1177 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22F37 #2FB2AA

analogous

#B22F79 #B22F37 #B2692F

triadic

#B22F37 #37B22F #2F37B2

tetradic

#B22F37 #79B22F #2FB2AA #692FB2

square

#B22F37 #79B22F #2FB2AA #692FB2

split-complementary

#B22F37 #2FB269 #2F79B2

monochromatic

#511519 #822228 #B22F37 #D04E56 #DD7E84

Accessibility & contrast

On white

6.26

#B22F37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#B22F37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22F37

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22F37	#FFFFFF	#000000	##FFFFFF
##B22F37	1.00	6.26	3.35	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E36

Deuteranopia (green-blind)

#756B33

Tritanopia (blue-blind)

#C40033

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b22f37;
/* rgb */ color: rgb(178, 47, 55);
/* oklch */ color: oklch(51.1% 0.167 22.3);

Tailwind

colors: {
  custom: {
    50: '#d1726e',
    500: '#b22f37',
    950: '#000000',
  },
}

SCSS

$custom: #b22f37;
$custom-light: #d1726e;
$custom-dark: #000000;

JSON

{
  "hex": "#b22f37",
  "rgb": {
    "r": 178,
    "g": 47,
    "b": 55
  },
  "hsl": {
    "h": 356.336,
    "s": 58.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51057,
    "c": 0.16708,
    "h": 22.3
  },
  "luminance": 0.11774
}

Semantic roles & 50–950 ramp

primary

#B22F37

secondary

#77C6C1

accent

#E1D846

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #B22F37

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

Preview Lab → · Contrast checker → · Palette generator →