#B22243#B22243

#B22243 is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.2% C 0.178 H 14.4°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#B22243
RGB	rgb(178, 34, 67)
HSL	hsl(346, 68%, 42%)
HSV	hsv(346, 81%, 70%)
CMYK	cmyk(0%, 80.9%, 62.4%, 30.2%)
CIE-LAB	lab(39.61, 57.44, 18.18)
CIE-LCH	lch(39.61, 60.24, 17.56°)
OKLab	oklab(50.2% 0.1724 0.0443)
OKLCH	oklch(50.2% 0.178 14.4)
XYZ	xyz(19.9474, 11.0173, 6.3853)
Luminance	0.1101 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22243 #22B291

analogous

#B2228B #B22243 #B24922

triadic

#B22243 #43B222 #2243B2

tetradic

#B22243 #8BB222 #22B291 #4922B2

square

#B22243 #8BB222 #22B291 #4922B2

split-complementary

#B22243 #22B249 #228BB2

monochromatic

#4B0E1C #7F1830 #B22243 #D9385D #E36C87

Accessibility & contrast

On white

6.56

#B22243 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#B22243 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22243

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22243	#FFFFFF	#000000	##FFFFFF
##B22243	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4A43

Deuteranopia (green-blind)

#71683F

Tritanopia (blue-blind)

#C30031

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b22243;
/* rgb */ color: rgb(178, 34, 67);
/* oklch */ color: oklch(50.2% 0.178 14.4);

Tailwind

colors: {
  custom: {
    50: '#d16d76',
    500: '#b22243',
    950: '#000000',
  },
}

SCSS

$custom: #b22243;
$custom-light: #d16d76;
$custom-dark: #000000;

JSON

{
  "hex": "#b22243",
  "rgb": {
    "r": 178,
    "g": 34,
    "b": 67
  },
  "hsl": {
    "h": 346.25,
    "s": 67.925,
    "l": 41.569
  },
  "oklch": {
    "l": 0.50199,
    "c": 0.17802,
    "h": 14.4
  },
  "luminance": 0.11014
}

Semantic roles & 50–950 ramp

primary

#B22243

secondary

#67C9B2

accent

#EBC33D

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #B22243

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

Preview Lab → · Contrast checker → · Palette generator →