#B52D33#B52D33

#B52D33 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.3% C 0.172 H 23.6°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#B52D33
RGB	rgb(181, 45, 51)
HSL	hsl(357, 60%, 44%)
HSV	hsv(357, 75%, 71%)
CMYK	cmyk(0%, 75.1%, 71.8%, 29%)
CIE-LAB	lab(41.12, 54.08, 30.11)
CIE-LCH	lch(41.12, 61.90, 29.11°)
OKLab	oklab(51.34% 0.1579 0.0689)
OKLCH	oklch(51.34% 0.172 23.6)
XYZ	xyz(20.5943, 11.9427, 4.3521)
Luminance	0.1194 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52D33 #2DB5AF

analogous

#B52D77 #B52D33 #B56B2D

triadic

#B52D33 #33B52D #2D33B5

tetradic

#B52D33 #77B52D #2DB5AF #6B2DB5

square

#B52D33 #77B52D #2DB5AF #6B2DB5

split-complementary

#B52D33 #2DB56B #2D77B5

monochromatic

#531517 #842125 #B52D33 #D34D52 #DF7E82

Accessibility & contrast

On white

6.20

#B52D33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B52D33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52D33

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52D33	#FFFFFF	#000000	##FFFFFF
##B52D33	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E32

Deuteranopia (green-blind)

#776C2E

Tritanopia (blue-blind)

#C70031

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52d33;
/* rgb */ color: rgb(181, 45, 51);
/* oklch */ color: oklch(51.3% 0.172 23.6);

Tailwind

colors: {
  custom: {
    50: '#d3716b',
    500: '#b52d33',
    950: '#000000',
  },
}

SCSS

$custom: #b52d33;
$custom-light: #d3716b;
$custom-dark: #000000;

JSON

{
  "hex": "#b52d33",
  "rgb": {
    "r": 181,
    "g": 45,
    "b": 51
  },
  "hsl": {
    "h": 357.353,
    "s": 60.177,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51339,
    "c": 0.17226,
    "h": 23.6
  },
  "luminance": 0.1194
}

Semantic roles & 50–950 ramp

primary

#B52D33

secondary

#76C7C4

accent

#E3DC44

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B52D33

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

Preview Lab → · Contrast checker → · Palette generator →