#B33B56#B33B56

#B33B56 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.1% C 0.156 H 10.7°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#B33B56
RGB	rgb(179, 59, 86)
HSL	hsl(347, 50%, 47%)
HSV	hsv(347, 67%, 70%)
CMYK	cmyk(0%, 67%, 52%, 29.8%)
CIE-LAB	lab(43.34, 50.45, 11.37)
CIE-LCH	lch(43.34, 51.72, 12.70°)
OKLab	oklab(53.14% 0.1529 0.029)
OKLCH	oklch(53.14% 0.156 10.7)
XYZ	xyz(21.8359, 13.3864, 10.2363)
Luminance	0.1338 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33B56 #3BB398

analogous

#B33B92 #B33B56 #B35C3B

triadic

#B33B56 #56B33B #3B56B3

tetradic

#B33B56 #92B33B #3BB398 #5C3BB3

square

#B33B56 #92B33B #3BB398 #5C3BB3

split-complementary

#B33B56 #3BB35C #3B92B3

monochromatic

#571D2A #852C40 #B33B56 #CB6078 #DA8E9F

Accessibility & contrast

On white

5.71

#B33B56 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#B33B56 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33B56

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33B56	#FFFFFF	#000000	##FFFFFF
##B33B56	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575756

Deuteranopia (green-blind)

#766F53

Tritanopia (blue-blind)

#C32646

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33b56;
/* rgb */ color: rgb(179, 59, 86);
/* oklch */ color: oklch(53.1% 0.156 10.7);

Tailwind

colors: {
  custom: {
    50: '#cf7885',
    500: '#b33b56',
    950: '#000000',
  },
}

SCSS

$custom: #b33b56;
$custom-light: #cf7885;
$custom-dark: #000000;

JSON

{
  "hex": "#b33b56",
  "rgb": {
    "r": 179,
    "g": 59,
    "b": 86
  },
  "hsl": {
    "h": 346.5,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53135,
    "c": 0.15562,
    "h": 10.7
  },
  "luminance": 0.13384
}

Semantic roles & 50–950 ramp

primary

#B33B56

secondary

#85C5B6

accent

#DABA4E

background

#FDF7F8

surface

#FAEEEF

border

#D3C9CA

text

#15090B

muted

#837B7C

Preview Lab

Preview with #B33B56

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

Preview Lab → · Contrast checker → · Palette generator →