#B22834#B22834

#B22834 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.4% C 0.173 H 21.9°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#B22834
RGB	rgb(178, 40, 52)
HSL	hsl(355, 63%, 43%)
HSV	hsv(355, 78%, 70%)
CMYK	cmyk(0%, 77.5%, 70.8%, 30.2%)
CIE-LAB	lab(39.97, 54.85, 27.99)
CIE-LCH	lch(39.97, 61.58, 27.03°)
OKLab	oklab(50.38% 0.1609 0.0646)
OKLCH	oklch(50.38% 0.173 21.9)
XYZ	xyz(19.7410, 11.2336, 4.3770)
Luminance	0.1123 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22834 #28B2A6

analogous

#B22879 #B22834 #B26128

triadic

#B22834 #34B228 #2834B2

tetradic

#B22834 #79B228 #28B2A6 #6128B2

square

#B22834 #79B228 #28B2A6 #6128B2

split-complementary

#B22834 #28B261 #2879B2

monochromatic

#4E1217 #801D25 #B22834 #D5434F #E0757E

Accessibility & contrast

On white

6.47

#B22834 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#B22834 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22834

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22834	#FFFFFF	#000000	##FFFFFF
##B22834	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514B33

Deuteranopia (green-blind)

#74692F

Tritanopia (blue-blind)

#C4002E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b22834;
/* rgb */ color: rgb(178, 40, 52);
/* oklch */ color: oklch(50.4% 0.173 21.9);

Tailwind

colors: {
  custom: {
    50: '#d16f6b',
    500: '#b22834',
    950: '#000000',
  },
}

SCSS

$custom: #b22834;
$custom-light: #d16f6b;
$custom-dark: #000000;

JSON

{
  "hex": "#b22834",
  "rgb": {
    "r": 178,
    "g": 40,
    "b": 52
  },
  "hsl": {
    "h": 354.783,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.50382,
    "c": 0.17341,
    "h": 21.9
  },
  "luminance": 0.1123
}

Semantic roles & 50–950 ramp

primary

#B22834

secondary

#6FC7C0

accent

#E6D841

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B22834

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

Preview Lab → · Contrast checker → · Palette generator →