#B52E33#B52E33

#B52E33 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.171 H 23.8°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B52E33
RGB	rgb(181, 46, 51)
HSL	hsl(358, 59%, 45%)
HSV	hsv(358, 75%, 71%)
CMYK	cmyk(0%, 74.6%, 71.8%, 29%)
CIE-LAB	lab(41.25, 53.74, 30.25)
CIE-LCH	lch(41.25, 61.67, 29.38°)
OKLab	oklab(51.43% 0.1568 0.0692)
OKLCH	oklch(51.43% 0.171 23.8)
XYZ	xyz(20.6329, 12.0199, 4.3650)
Luminance	0.1202 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52E33 #2EB5B0

analogous

#B52E76 #B52E33 #B56D2E

triadic

#B52E33 #33B52E #2E33B5

tetradic

#B52E33 #76B52E #2EB5B0 #6D2EB5

square

#B52E33 #76B52E #2EB5B0 #6D2EB5

split-complementary

#B52E33 #2EB56D #2E76B5

monochromatic

#531518 #842225 #B52E33 #D24E53 #DE7F82

Accessibility & contrast

On white

6.17

#B52E33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B52E33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52E33

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52E33	#FFFFFF	#000000	##FFFFFF
##B52E33	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)

#564F32

Deuteranopia (green-blind)

#776C2E

Tritanopia (blue-blind)

#C70031

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52e33;
/* rgb */ color: rgb(181, 46, 51);
/* oklch */ color: oklch(51.4% 0.171 23.8);

Tailwind

colors: {
  custom: {
    50: '#d3726b',
    500: '#b52e33',
    950: '#000000',
  },
}

SCSS

$custom: #b52e33;
$custom-light: #d3726b;
$custom-dark: #000000;

JSON

{
  "hex": "#b52e33",
  "rgb": {
    "r": 181,
    "g": 46,
    "b": 51
  },
  "hsl": {
    "h": 357.778,
    "s": 59.471,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51431,
    "c": 0.1714,
    "h": 23.8
  },
  "luminance": 0.12017
}

Semantic roles & 50–950 ramp

primary

#B52E33

secondary

#78C7C4

accent

#E3DD45

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B52E33

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

Preview Lab → · Contrast checker → · Palette generator →