#B52D37#B52D37

#B52D37 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.172 H 22.0°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#B52D37
RGB	rgb(181, 45, 55)
HSL	hsl(356, 60%, 44%)
HSV	hsv(356, 75%, 71%)
CMYK	cmyk(0%, 75.1%, 69.6%, 29%)
CIE-LAB	lab(41.18, 54.28, 27.76)
CIE-LCH	lch(41.18, 60.97, 27.09°)
OKLab	oklab(51.4% 0.1594 0.0644)
OKLCH	oklch(51.4% 0.172 22)
XYZ	xyz(20.6863, 11.9795, 4.8367)
Luminance	0.1198 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52D37 #2DB5AB

analogous

#B52D7B #B52D37 #B5672D

triadic

#B52D37 #37B52D #2D37B5

tetradic

#B52D37 #7BB52D #2DB5AB #672DB5

square

#B52D37 #7BB52D #2DB5AB #672DB5

split-complementary

#B52D37 #2DB567 #2D7BB5

monochromatic

#531519 #842128 #B52D37 #D34D56 #DF7E85

Accessibility & contrast

On white

6.19

#B52D37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B52D37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52D37

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52D37	#FFFFFF	#000000	##FFFFFF
##B52D37	1.00	6.19	3.40	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554F36

Deuteranopia (green-blind)

#776C33

Tritanopia (blue-blind)

#C70032

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52d37;
/* rgb */ color: rgb(181, 45, 55);
/* oklch */ color: oklch(51.4% 0.172 22.0);

Tailwind

colors: {
  custom: {
    50: '#d3716d',
    500: '#b52d37',
    950: '#000000',
  },
}

SCSS

$custom: #b52d37;
$custom-light: #d3716d;
$custom-dark: #000000;

JSON

{
  "hex": "#b52d37",
  "rgb": {
    "r": 181,
    "g": 45,
    "b": 55
  },
  "hsl": {
    "h": 355.588,
    "s": 60.177,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51402,
    "c": 0.17191,
    "h": 22
  },
  "luminance": 0.11976
}

Semantic roles & 50–950 ramp

primary

#B52D37

secondary

#76C7C1

accent

#E3D844

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160807

muted

#847B7A

Preview Lab

Preview with #B52D37

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

Preview Lab → · Contrast checker → · Palette generator →