#B33A32#B33A32

#B33A32 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.3% C 0.158 H 27.7°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#B33A32
RGB	rgb(179, 58, 50)
HSL	hsl(4, 56%, 45%)
HSV	hsv(4, 72%, 70%)
CMYK	cmyk(0%, 67.6%, 72.1%, 29.8%)
CIE-LAB	lab(42.53, 48.47, 32.24)
CIE-LCH	lch(42.53, 58.21, 33.63°)
OKLab	oklab(52.31% 0.1402 0.0735)
OKLCH	oklch(52.31% 0.158 27.7)
XYZ	xyz(20.6814, 12.8431, 4.4070)
Luminance	0.1284 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33A32 #32ABB3

analogous

#B3326A #B33A32 #B37B32

triadic

#B33A32 #32B33A #3A32B3

tetradic

#B33A32 #6AB332 #32ABB3 #7B32B3

square

#B33A32 #6AB332 #32ABB3 #7B32B3

split-complementary

#B33A32 #32B37B #326AB3

monochromatic

#531B17 #832A25 #B33A32 #CF5B53 #DC8983

Accessibility & contrast

On white

5.89

#B33A32 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B33A32 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33A32

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33A32	#FFFFFF	#000000	##FFFFFF
##B33A32	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5430

Deuteranopia (green-blind)

#7A6E2E

Tritanopia (blue-blind)

#C51739

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b33a32;
/* rgb */ color: rgb(179, 58, 50);
/* oklch */ color: oklch(52.3% 0.158 27.7);

Tailwind

colors: {
  custom: {
    50: '#d1776a',
    500: '#b33a32',
    950: '#000000',
  },
}

SCSS

$custom: #b33a32;
$custom-light: #d1776a;
$custom-dark: #000000;

JSON

{
  "hex": "#b33a32",
  "rgb": {
    "r": 179,
    "g": 58,
    "b": 50
  },
  "hsl": {
    "h": 3.721,
    "s": 56.332,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52313,
    "c": 0.15826,
    "h": 27.7
  },
  "luminance": 0.1284
}

Semantic roles & 50–950 ramp

primary

#B33A32

secondary

#7BC1C6

accent

#D6E048

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B33A32

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

Preview Lab → · Contrast checker → · Palette generator →