#B52E31#B52E31

#B52E31 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.172 H 24.6°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#B52E31
RGB	rgb(181, 46, 49)
HSL	hsl(359, 59%, 45%)
HSV	hsv(359, 75%, 71%)
CMYK	cmyk(0%, 74.6%, 72.9%, 29%)
CIE-LAB	lab(41.22, 53.65, 31.42)
CIE-LCH	lch(41.22, 62.17, 30.35°)
OKLab	oklab(51.4% 0.1561 0.0714)
OKLCH	oklch(51.4% 0.172 24.6)
XYZ	xyz(20.5898, 12.0027, 4.1377)
Luminance	0.1200 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52E31 #2EB5B2

analogous

#B52E74 #B52E31 #B56F2E

triadic

#B52E31 #31B52E #2E31B5

tetradic

#B52E31 #74B52E #2EB5B2 #6F2EB5

square

#B52E31 #74B52E #2EB5B2 #6F2EB5

split-complementary

#B52E31 #2EB56F #2E74B5

monochromatic

#531517 #842224 #B52E31 #D24E51 #DE7F81

Accessibility & contrast

On white

6.18

#B52E31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B52E31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52E31

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52E31	#FFFFFF	#000000	##FFFFFF
##B52E31	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)

#564F30

Deuteranopia (green-blind)

#786C2C

Tritanopia (blue-blind)

#C70031

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52e31;
/* rgb */ color: rgb(181, 46, 49);
/* oklch */ color: oklch(51.4% 0.172 24.6);

Tailwind

colors: {
  custom: {
    50: '#d47169',
    500: '#b52e31',
    950: '#000000',
  },
}

SCSS

$custom: #b52e31;
$custom-light: #d47169;
$custom-dark: #000000;

JSON

{
  "hex": "#b52e31",
  "rgb": {
    "r": 181,
    "g": 46,
    "b": 49
  },
  "hsl": {
    "h": 358.667,
    "s": 59.471,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51402,
    "c": 0.17161,
    "h": 24.6
  },
  "luminance": 0.11999
}

Semantic roles & 50–950 ramp

primary

#B52E31

secondary

#78C7C5

accent

#E3DF45

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B52E31

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

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