#B33132#B33132

#B33132 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.167 H 24.9°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B33132
RGB	rgb(179, 49, 50)
HSL	hsl(360, 57%, 45%)
HSV	hsv(360, 73%, 70%)
CMYK	cmyk(0%, 72.6%, 72.1%, 29.8%)
CIE-LAB	lab(41.24, 52.00, 30.74)
CIE-LCH	lch(41.24, 60.41, 30.59°)
OKLab	oklab(51.35% 0.1513 0.0702)
OKLCH	oklch(51.35% 0.167 24.9)
XYZ	xyz(20.2667, 12.0137, 4.2687)
Luminance	0.1201 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33132 #31B3B2

analogous

#B33173 #B33132 #B37131

triadic

#B33132 #32B331 #3132B3

tetradic

#B33132 #73B331 #31B3B2 #7131B3

square

#B33132 #73B331 #31B3B2 #7131B3

split-complementary

#B33132 #31B371 #3173B3

monochromatic

#531717 #832425 #B33132 #D05253 #DD8282

Accessibility & contrast

On white

6.17

#B33132 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B33132 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33132

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33132	#FFFFFF	#000000	##FFFFFF
##B33132	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F31

Deuteranopia (green-blind)

#776B2E

Tritanopia (blue-blind)

#C50033

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b33132;
/* rgb */ color: rgb(179, 49, 50);
/* oklch */ color: oklch(51.3% 0.167 24.9);

Tailwind

colors: {
  custom: {
    50: '#d2736a',
    500: '#b33132',
    950: '#000000',
  },
}

SCSS

$custom: #b33132;
$custom-light: #d2736a;
$custom-dark: #000000;

JSON

{
  "hex": "#b33132",
  "rgb": {
    "r": 179,
    "g": 49,
    "b": 50
  },
  "hsl": {
    "h": 359.538,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.5135,
    "c": 0.16679,
    "h": 24.9
  },
  "luminance": 0.12011
}

Semantic roles & 50–950 ramp

primary

#B33132

secondary

#7AC6C5

accent

#E0DF48

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B33132

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

Preview Lab → · Contrast checker → · Palette generator →