#B22539#B22539

#B22539 is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.2% C 0.176 H 19.2°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#B22539
RGB	rgb(178, 37, 57)
HSL	hsl(351, 66%, 42%)
HSV	hsv(351, 79%, 70%)
CMYK	cmyk(0%, 79.2%, 68%, 30.2%)
CIE-LAB	lab(39.73, 56.01, 24.61)
CIE-LCH	lch(39.73, 61.18, 23.71°)
OKLab	oklab(50.22% 0.1658 0.0578)
OKLCH	oklch(50.22% 0.176 19.2)
XYZ	xyz(19.7624, 11.0866, 4.9694)
Luminance	0.1108 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22539 #25B29E

analogous

#B22580 #B22539 #B25725

triadic

#B22539 #39B225 #2539B2

tetradic

#B22539 #80B225 #25B29E #5725B2

square

#B22539 #80B225 #25B29E #5725B2

split-complementary

#B22539 #25B257 #2580B2

monochromatic

#4D1019 #7F1A29 #B22539 #D73D53 #E17080

Accessibility & contrast

On white

6.53

#B22539 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#B22539 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22539

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22539	#FFFFFF	#000000	##FFFFFF
##B22539	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4B39

Deuteranopia (green-blind)

#736835

Tritanopia (blue-blind)

#C4002E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b22539;
/* rgb */ color: rgb(178, 37, 57);
/* oklch */ color: oklch(50.2% 0.176 19.2);

Tailwind

colors: {
  custom: {
    50: '#d16e6f',
    500: '#b22539',
    950: '#000000',
  },
}

SCSS

$custom: #b22539;
$custom-light: #d16e6f;
$custom-dark: #000000;

JSON

{
  "hex": "#b22539",
  "rgb": {
    "r": 178,
    "g": 37,
    "b": 57
  },
  "hsl": {
    "h": 351.489,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.50225,
    "c": 0.17556,
    "h": 19.2
  },
  "luminance": 0.11084
}

Semantic roles & 50–950 ramp

primary

#B22539

secondary

#6BC8BB

accent

#E9D13F

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B22539

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

Preview Lab → · Contrast checker → · Palette generator →