#B63231#B63231

#B63231 is a mid, vivid red. Relative luminance 0.124; OKLCH L 52.0% C 0.169 H 25.7°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#B63231
RGB	rgb(182, 50, 49)
HSL	hsl(0, 58%, 45%)
HSV	hsv(0, 73%, 71%)
CMYK	cmyk(0%, 72.5%, 73.1%, 28.6%)
CIE-LAB	lab(41.92, 52.54, 32.28)
CIE-LCH	lch(41.92, 61.66, 31.56°)
OKLab	oklab(51.96% 0.1524 0.0732)
OKLCH	oklch(51.96% 0.169 25.7)
XYZ	xyz(20.9888, 12.4512, 4.2033)
Luminance	0.1245 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63231 #31B5B6

analogous

#B63172 #B63231 #B67431

triadic

#B63231 #31B632 #3231B6

tetradic

#B63231 #72B631 #31B5B6 #7431B6

square

#B63231 #72B631 #31B5B6 #7431B6

split-complementary

#B63231 #31B674 #3172B6

monochromatic

#561817 #862524 #B63231 #D15453 #DE8484

Accessibility & contrast

On white

6.02

#B63231 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B63231 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63231

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63231	#FFFFFF	#000000	##FFFFFF
##B63231	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58512F

Deuteranopia (green-blind)

#796D2C

Tritanopia (blue-blind)

#C80033

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b63231;
/* rgb */ color: rgb(182, 50, 49);
/* oklch */ color: oklch(52.0% 0.169 25.7);

Tailwind

colors: {
  custom: {
    50: '#d47369',
    500: '#b63231',
    950: '#000000',
  },
}

SCSS

$custom: #b63231;
$custom-light: #d47369;
$custom-dark: #000000;

JSON

{
  "hex": "#b63231",
  "rgb": {
    "r": 182,
    "g": 50,
    "b": 49
  },
  "hsl": {
    "h": 0.451,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51961,
    "c": 0.1691,
    "h": 25.7
  },
  "luminance": 0.12448
}

Semantic roles & 50–950 ramp

primary

#B63231

secondary

#7CC7C7

accent

#E0E147

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B63231

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

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