#B52D39#B52D39

#B52D39 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.172 H 21.2°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#B52D39
RGB	rgb(181, 45, 57)
HSL	hsl(355, 60%, 44%)
HSV	hsv(355, 75%, 71%)
CMYK	cmyk(0%, 75.1%, 68.5%, 29%)
CIE-LAB	lab(41.21, 54.38, 26.58)
CIE-LCH	lch(41.21, 60.53, 26.05°)
OKLab	oklab(51.43% 0.1601 0.0621)
OKLCH	oklch(51.43% 0.172 21.2)
XYZ	xyz(20.7352, 11.9991, 5.0943)
Luminance	0.1200 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52D39 #2DB5A9

analogous

#B52D7D #B52D39 #B5652D

triadic

#B52D39 #39B52D #2D39B5

tetradic

#B52D39 #7DB52D #2DB5A9 #652DB5

square

#B52D39 #7DB52D #2DB5A9 #652DB5

split-complementary

#B52D39 #2DB565 #2D7DB5

monochromatic

#53151A #84212A #B52D39 #D34D58 #DF7E86

Accessibility & contrast

On white

6.18

#B52D39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B52D39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52D39

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52D39	#FFFFFF	#000000	##FFFFFF
##B52D39	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544F38

Deuteranopia (green-blind)

#776C35

Tritanopia (blue-blind)

#C70033

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52d39;
/* rgb */ color: rgb(181, 45, 57);
/* oklch */ color: oklch(51.4% 0.172 21.2);

Tailwind

colors: {
  custom: {
    50: '#d3716f',
    500: '#b52d39',
    950: '#000000',
  },
}

SCSS

$custom: #b52d39;
$custom-light: #d3716f;
$custom-dark: #000000;

JSON

{
  "hex": "#b52d39",
  "rgb": {
    "r": 181,
    "g": 45,
    "b": 57
  },
  "hsl": {
    "h": 354.706,
    "s": 60.177,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51435,
    "c": 0.17176,
    "h": 21.2
  },
  "luminance": 0.11996
}

Semantic roles & 50–950 ramp

primary

#B52D39

secondary

#76C7C0

accent

#E3D544

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160807

muted

#847B7A

Preview Lab

Preview with #B52D39

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

Preview Lab → · Contrast checker → · Palette generator →