#B52D31#B52D31

#B52D31 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.3% C 0.172 H 24.3°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#B52D31
RGB	rgb(181, 45, 49)
HSL	hsl(358, 60%, 44%)
HSV	hsv(358, 75%, 71%)
CMYK	cmyk(0%, 75.1%, 72.9%, 29%)
CIE-LAB	lab(41.10, 53.99, 31.27)
CIE-LCH	lch(41.10, 62.40, 30.08°)
OKLab	oklab(51.31% 0.1571 0.0711)
OKLCH	oklch(51.31% 0.172 24.3)
XYZ	xyz(20.5512, 11.9254, 4.1249)
Luminance	0.1192 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52D31 #2DB5B1

analogous

#B52D75 #B52D31 #B56D2D

triadic

#B52D31 #31B52D #2D31B5

tetradic

#B52D31 #75B52D #2DB5B1 #6D2DB5

square

#B52D31 #75B52D #2DB5B1 #6D2DB5

split-complementary

#B52D31 #2DB56D #2D75B5

monochromatic

#531516 #842124 #B52D31 #D34D51 #DF7E80

Accessibility & contrast

On white

6.20

#B52D31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B52D31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52D31

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52D31	#FFFFFF	#000000	##FFFFFF
##B52D31	1.00	6.20	3.38	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E30

Deuteranopia (green-blind)

#776C2C

Tritanopia (blue-blind)

#C70030

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52d31;
/* rgb */ color: rgb(181, 45, 49);
/* oklch */ color: oklch(51.3% 0.172 24.3);

Tailwind

colors: {
  custom: {
    50: '#d47169',
    500: '#b52d31',
    950: '#000000',
  },
}

SCSS

$custom: #b52d31;
$custom-light: #d47169;
$custom-dark: #000000;

JSON

{
  "hex": "#b52d31",
  "rgb": {
    "r": 181,
    "g": 45,
    "b": 49
  },
  "hsl": {
    "h": 358.235,
    "s": 60.177,
    "l": 44.314
  },
  "oklch": {
    "l": 0.5131,
    "c": 0.17246,
    "h": 24.3
  },
  "luminance": 0.11922
}

Semantic roles & 50–950 ramp

primary

#B52D31

secondary

#76C7C5

accent

#E3DF44

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B52D31

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

Preview Lab → · Contrast checker → · Palette generator →