#B33229#B33229

#B33229 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.167 H 28.4°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B33229
RGB	rgb(179, 50, 41)
HSL	hsl(4, 63%, 43%)
HSV	hsv(4, 77%, 70%)
CMYK	cmyk(0%, 72.1%, 77.1%, 29.8%)
CIE-LAB	lab(41.26, 51.24, 36.00)
CIE-LCH	lch(41.26, 62.62, 35.09°)
OKLab	oklab(51.33% 0.147 0.0796)
OKLCH	oklch(51.33% 0.167 28.4)
XYZ	xyz(20.1336, 12.0281, 3.3589)
Luminance	0.1202 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33229 #29AAB3

analogous

#B32965 #B33229 #B37729

triadic

#B33229 #29B332 #3229B3

tetradic

#B33229 #65B329 #29AAB3 #7729B3

square

#B33229 #65B329 #29AAB3 #7729B3

split-complementary

#B33229 #29B377 #2965B3

monochromatic

#4F1612 #81241E #B33229 #D44E45 #E07D77

Accessibility & contrast

On white

6.17

#B33229 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B33229 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33229

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33229	#FFFFFF	#000000	##FFFFFF
##B33229	1.00	6.17	3.41	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F27

Deuteranopia (green-blind)

#786C24

Tritanopia (blue-blind)

#C50031

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b33229;
/* rgb */ color: rgb(179, 50, 41);
/* oklch */ color: oklch(51.3% 0.167 28.4);

Tailwind

colors: {
  custom: {
    50: '#d27363',
    500: '#b33229',
    950: '#000000',
  },
}

SCSS

$custom: #b33229;
$custom-light: #d27363;
$custom-dark: #000000;

JSON

{
  "hex": "#b33229",
  "rgb": {
    "r": 179,
    "g": 50,
    "b": 41
  },
  "hsl": {
    "h": 3.913,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.51331,
    "c": 0.16715,
    "h": 28.4
  },
  "luminance": 0.12025
}

Semantic roles & 50–950 ramp

primary

#B33229

secondary

#70C2C7

accent

#DBE642

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B33229

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

Preview Lab → · Contrast checker → · Palette generator →