#B63B32#B63B32

#B63B32 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.9% C 0.161 H 28.0°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#B63B32
RGB	rgb(182, 59, 50)
HSL	hsl(4, 57%, 45%)
HSV	hsv(4, 73%, 71%)
CMYK	cmyk(0%, 67.6%, 72.5%, 28.6%)
CIE-LAB	lab(43.22, 49.07, 33.18)
CIE-LCH	lch(43.22, 59.24, 34.06°)
OKLab	oklab(52.94% 0.1417 0.0754)
OKLCH	oklch(52.94% 0.161 28)
XYZ	xyz(21.4334, 13.3064, 4.4568)
Luminance	0.1330 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63B32 #32ADB6

analogous

#B6326B #B63B32 #B67D32

triadic

#B63B32 #32B63B #3B32B6

tetradic

#B63B32 #6BB632 #32ADB6 #7D32B6

square

#B63B32 #6BB632 #32ADB6 #7D32B6

split-complementary

#B63B32 #32B67D #326BB6

monochromatic

#561C18 #862B25 #B63B32 #D05D55 #DD8B85

Accessibility & contrast

On white

5.74

#B63B32 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B63B32 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63B32

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63B32	#FFFFFF	#000000	##FFFFFF
##B63B32	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5530

Deuteranopia (green-blind)

#7C702E

Tritanopia (blue-blind)

#C8173A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b63b32;
/* rgb */ color: rgb(182, 59, 50);
/* oklch */ color: oklch(52.9% 0.161 28.0);

Tailwind

colors: {
  custom: {
    50: '#d4786a',
    500: '#b63b32',
    950: '#000000',
  },
}

SCSS

$custom: #b63b32;
$custom-light: #d4786a;
$custom-dark: #000000;

JSON

{
  "hex": "#b63b32",
  "rgb": {
    "r": 182,
    "g": 59,
    "b": 50
  },
  "hsl": {
    "h": 4.091,
    "s": 56.897,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52935,
    "c": 0.16051,
    "h": 28
  },
  "luminance": 0.13303
}

Semantic roles & 50–950 ramp

primary

#B63B32

secondary

#7DC2C7

accent

#D6E048

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B63B32

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

Preview Lab → · Contrast checker → · Palette generator →