#B33B32#B33B32

#B33B32 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.4% C 0.157 H 28.0°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#B33B32
RGB	rgb(179, 59, 50)
HSL	hsl(4, 56%, 45%)
HSV	hsv(4, 72%, 70%)
CMYK	cmyk(0%, 67%, 72.1%, 29.8%)
CIE-LAB	lab(42.68, 48.05, 32.42)
CIE-LCH	lch(42.68, 57.96, 34.01°)
OKLab	oklab(52.43% 0.1389 0.0739)
OKLCH	oklch(52.43% 0.157 28)
XYZ	xyz(20.7323, 12.9449, 4.4239)
Luminance	0.1294 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33B32 #32AAB3

analogous

#B3326A #B33B32 #B37C32

triadic

#B33B32 #32B33B #3B32B3

tetradic

#B33B32 #6AB332 #32AAB3 #7C32B3

square

#B33B32 #6AB332 #32AAB3 #7C32B3

split-complementary

#B33B32 #32B37C #326AB3

monochromatic

#531B17 #832B25 #B33B32 #CF5C53 #DC8983

Accessibility & contrast

On white

5.85

#B33B32 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B33B32 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33B32

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33B32	#FFFFFF	#000000	##FFFFFF
##B33B32	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5430

Deuteranopia (green-blind)

#7A6E2E

Tritanopia (blue-blind)

#C51A3A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33b32;
/* rgb */ color: rgb(179, 59, 50);
/* oklch */ color: oklch(52.4% 0.157 28.0);

Tailwind

colors: {
  custom: {
    50: '#d1786a',
    500: '#b33b32',
    950: '#000000',
  },
}

SCSS

$custom: #b33b32;
$custom-light: #d1786a;
$custom-dark: #000000;

JSON

{
  "hex": "#b33b32",
  "rgb": {
    "r": 179,
    "g": 59,
    "b": 50
  },
  "hsl": {
    "h": 4.186,
    "s": 56.332,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52429,
    "c": 0.15728,
    "h": 28
  },
  "luminance": 0.12942
}

Semantic roles & 50–950 ramp

primary

#B33B32

secondary

#7BC0C6

accent

#D5E048

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B33B32

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

Preview Lab → · Contrast checker → · Palette generator →