#B52D2A#B52D2A

#B52D2A is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.173 H 26.8°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#B52D2A
RGB	rgb(181, 45, 42)
HSL	hsl(1, 62%, 44%)
HSV	hsv(1, 77%, 71%)
CMYK	cmyk(0%, 75.1%, 76.8%, 29%)
CIE-LAB	lab(41.01, 53.70, 35.27)
CIE-LCH	lch(41.01, 64.25, 33.30°)
OKLab	oklab(51.22% 0.1547 0.0781)
OKLCH	oklch(51.22% 0.173 26.8)
XYZ	xyz(20.4148, 11.8709, 3.4064)
Luminance	0.1187 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52D2A #2AB2B5

analogous

#B52A6C #B52D2A #B5722A

triadic

#B52D2A #2AB52D #2D2AB5

tetradic

#B52D2A #6CB52A #2AB2B5 #722AB5

square

#B52D2A #6CB52A #2AB2B5 #722AB5

split-complementary

#B52D2A #2AB572 #2A6CB5

monochromatic

#521413 #83211E #B52D2A #D44B48 #E07C79

Accessibility & contrast

On white

6.22

#B52D2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#B52D2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52D2A

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52D2A	#FFFFFF	#000000	##FFFFFF
##B52D2A	1.00	6.22	3.37	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E28

Deuteranopia (green-blind)

#786B25

Tritanopia (blue-blind)

#C7002E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52d2a;
/* rgb */ color: rgb(181, 45, 42);
/* oklch */ color: oklch(51.2% 0.173 26.8);

Tailwind

colors: {
  custom: {
    50: '#d47164',
    500: '#b52d2a',
    950: '#000000',
  },
}

SCSS

$custom: #b52d2a;
$custom-light: #d47164;
$custom-dark: #000000;

JSON

{
  "hex": "#b52d2a",
  "rgb": {
    "r": 181,
    "g": 45,
    "b": 42
  },
  "hsl": {
    "h": 1.295,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51217,
    "c": 0.17331,
    "h": 26.8
  },
  "luminance": 0.11868
}

Semantic roles & 50–950 ramp

primary

#B52D2A

secondary

#73C6C8

accent

#E2E542

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B52D2A

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

Preview Lab → · Contrast checker → · Palette generator →