#B63E36#B63E36

#B63E36 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.3% C 0.157 H 27.5°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#B63E36
RGB	rgb(182, 62, 54)
HSL	hsl(4, 54%, 46%)
HSV	hsv(4, 70%, 71%)
CMYK	cmyk(0%, 65.9%, 70.3%, 28.6%)
CIE-LAB	lab(43.74, 48.01, 31.46)
CIE-LCH	lch(43.74, 57.39, 33.24°)
OKLab	oklab(53.34% 0.1392 0.0724)
OKLCH	oklch(53.34% 0.157 27.5)
XYZ	xyz(21.6822, 13.6598, 4.9842)
Luminance	0.1366 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63E36 #36AEB6

analogous

#B6366E #B63E36 #B67E36

triadic

#B63E36 #36B63E #3E36B6

tetradic

#B63E36 #6EB636 #36AEB6 #7E36B6

square

#B63E36 #6EB636 #36AEB6 #7E36B6

split-complementary

#B63E36 #36B67E #366EB6

monochromatic

#581E1A #872E28 #B63E36 #CE625B #DC8F8A

Accessibility & contrast

On white

5.63

#B63E36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#B63E36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63E36

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63E36	#FFFFFF	#000000	##FFFFFF
##B63E36	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5734

Deuteranopia (green-blind)

#7D7132

Tritanopia (blue-blind)

#C81F3D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63e36;
/* rgb */ color: rgb(182, 62, 54);
/* oklch */ color: oklch(53.3% 0.157 27.5);

Tailwind

colors: {
  custom: {
    50: '#d37a6d',
    500: '#b63e36',
    950: '#000000',
  },
}

SCSS

$custom: #b63e36;
$custom-light: #d37a6d;
$custom-dark: #000000;

JSON

{
  "hex": "#b63e36",
  "rgb": {
    "r": 182,
    "g": 62,
    "b": 54
  },
  "hsl": {
    "h": 3.75,
    "s": 54.237,
    "l": 46.275
  },
  "oklch": {
    "l": 0.53342,
    "c": 0.15688,
    "h": 27.5
  },
  "luminance": 0.13657
}

Semantic roles & 50–950 ramp

primary

#B63E36

secondary

#81C2C6

accent

#D4DE4A

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A07

muted

#847C7A

Preview Lab

Preview with #B63E36

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

Preview Lab → · Contrast checker → · Palette generator →