#B33B44#B33B44

#B33B44 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.7% C 0.155 H 20.0°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#B33B44
RGB	rgb(179, 59, 68)
HSL	hsl(356, 50%, 47%)
HSV	hsv(356, 67%, 70%)
CMYK	cmyk(0%, 67%, 62%, 29.8%)
CIE-LAB	lab(42.96, 49.08, 21.97)
CIE-LCH	lch(42.96, 53.78, 24.12°)
OKLab	oklab(52.73% 0.1457 0.0531)
OKLCH	oklch(52.73% 0.155 20)
XYZ	xyz(21.1998, 13.1319, 6.8861)
Luminance	0.1313 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33B44 #3BB3AA

analogous

#B33B80 #B33B44 #B36E3B

triadic

#B33B44 #44B33B #3B44B3

tetradic

#B33B44 #80B33B #3BB3AA #6E3BB3

square

#B33B44 #80B33B #3BB3AA #6E3BB3

split-complementary

#B33B44 #3BB36E #3B80B3

monochromatic

#571D21 #852C33 #B33B44 #CB6068 #DA8E94

Accessibility & contrast

On white

5.79

#B33B44 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B33B44 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33B44

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33B44	#FFFFFF	#000000	##FFFFFF
##B33B44	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5543

Deuteranopia (green-blind)

#796F41

Tritanopia (blue-blind)

#C41F3F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33b44;
/* rgb */ color: rgb(179, 59, 68);
/* oklch */ color: oklch(52.7% 0.155 20.0);

Tailwind

colors: {
  custom: {
    50: '#d07877',
    500: '#b33b44',
    950: '#000000',
  },
}

SCSS

$custom: #b33b44;
$custom-light: #d07877;
$custom-dark: #000000;

JSON

{
  "hex": "#b33b44",
  "rgb": {
    "r": 179,
    "g": 59,
    "b": 68
  },
  "hsl": {
    "h": 355.5,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.5273,
    "c": 0.15511,
    "h": 20
  },
  "luminance": 0.13129
}

Semantic roles & 50–950 ramp

primary

#B33B44

secondary

#85C5C0

accent

#DACF4E

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B33B44

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

Preview Lab → · Contrast checker → · Palette generator →