#B63A32#B63A32

#B63A32 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.8% C 0.161 H 27.7°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#B63A32
RGB	rgb(182, 58, 50)
HSL	hsl(4, 57%, 45%)
HSV	hsv(4, 73%, 71%)
CMYK	cmyk(0%, 68.1%, 72.5%, 28.6%)
CIE-LAB	lab(43.07, 49.48, 33.01)
CIE-LCH	lch(43.07, 59.48, 33.70°)
OKLab	oklab(52.82% 0.143 0.075)
OKLCH	oklch(52.82% 0.161 27.7)
XYZ	xyz(21.3825, 13.2046, 4.4398)
Luminance	0.1320 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63A32 #32AEB6

analogous

#B6326C #B63A32 #B67C32

triadic

#B63A32 #32B63A #3A32B6

tetradic

#B63A32 #6CB632 #32AEB6 #7C32B6

square

#B63A32 #6CB632 #32AEB6 #7C32B6

split-complementary

#B63A32 #32B67C #326CB6

monochromatic

#561B18 #862B25 #B63A32 #D05C55 #DD8A85

Accessibility & contrast

On white

5.77

#B63A32 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B63A32 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63A32

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63A32	#FFFFFF	#000000	##FFFFFF
##B63A32	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5530

Deuteranopia (green-blind)

#7C702E

Tritanopia (blue-blind)

#C81539

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b63a32;
/* rgb */ color: rgb(182, 58, 50);
/* oklch */ color: oklch(52.8% 0.161 27.7);

Tailwind

colors: {
  custom: {
    50: '#d4776a',
    500: '#b63a32',
    950: '#000000',
  },
}

SCSS

$custom: #b63a32;
$custom-light: #d4776a;
$custom-dark: #000000;

JSON

{
  "hex": "#b63a32",
  "rgb": {
    "r": 182,
    "g": 58,
    "b": 50
  },
  "hsl": {
    "h": 3.636,
    "s": 56.897,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52821,
    "c": 0.16148,
    "h": 27.7
  },
  "luminance": 0.13201
}

Semantic roles & 50–950 ramp

primary

#B63A32

secondary

#7DC2C7

accent

#D7E048

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B63A32

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

Preview Lab → · Contrast checker → · Palette generator →