#B63F44#B63F44

#B63F44 is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.7% C 0.154 H 21.6°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#B63F44
RGB	rgb(182, 63, 68)
HSL	hsl(357, 49%, 48%)
HSV	hsv(357, 65%, 71%)
CMYK	cmyk(0%, 65.4%, 62.6%, 28.6%)
CIE-LAB	lab(44.12, 48.39, 23.57)
CIE-LCH	lch(44.12, 53.83, 25.97°)
OKLab	oklab(53.7% 0.1432 0.0566)
OKLCH	oklch(53.7% 0.154 21.6)
XYZ	xyz(22.1145, 13.9205, 6.9901)
Luminance	0.1392 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63F44 #3FB6B1

analogous

#B63F7F #B63F44 #B6753F

triadic

#B63F44 #44B63F #3F44B6

tetradic

#B63F44 #7FB63F #3FB6B1 #753FB6

square

#B63F44 #7FB63F #3FB6B1 #753FB6

split-complementary

#B63F44 #3FB675 #3F7FB6

monochromatic

#5B2022 #892F33 #B63F44 #CB686C #DA9598

Accessibility & contrast

On white

5.55

#B63F44 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#B63F44 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63F44

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63F44	#FFFFFF	#000000	##FFFFFF
##B63F44	1.00	5.55	3.78	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5843

Deuteranopia (green-blind)

#7C7241

Tritanopia (blue-blind)

#C72542

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b63f44;
/* rgb */ color: rgb(182, 63, 68);
/* oklch */ color: oklch(53.7% 0.154 21.6);

Tailwind

colors: {
  custom: {
    50: '#d27a78',
    500: '#b63f44',
    950: '#000000',
  },
}

SCSS

$custom: #b63f44;
$custom-light: #d27a78;
$custom-dark: #000000;

JSON

{
  "hex": "#b63f44",
  "rgb": {
    "r": 182,
    "g": 63,
    "b": 68
  },
  "hsl": {
    "h": 357.479,
    "s": 48.571,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53695,
    "c": 0.15399,
    "h": 21.6
  },
  "luminance": 0.13917
}

Semantic roles & 50–950 ramp

primary

#B63F44

secondary

#8BC6C3

accent

#D8D250

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B63F44

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

Preview Lab → · Contrast checker → · Palette generator →