#B63541#B63541

#B63541 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.165 H 19.9°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#B63541
RGB	rgb(182, 53, 65)
HSL	hsl(354, 55%, 46%)
HSV	hsv(354, 71%, 71%)
CMYK	cmyk(0%, 70.9%, 64.3%, 28.6%)
CIE-LAB	lab(42.58, 52.27, 23.43)
CIE-LCH	lch(42.58, 57.28, 24.14°)
OKLab	oklab(52.53% 0.1549 0.056)
OKLCH	oklch(52.53% 0.165 19.9)
XYZ	xyz(21.5209, 12.8761, 6.3521)
Luminance	0.1287 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63541 #35B6AA

analogous

#B63581 #B63541 #B66935

triadic

#B63541 #41B635 #3541B6

tetradic

#B63541 #81B635 #35B6AA #6935B6

square

#B63541 #81B635 #35B6AA #6935B6

split-complementary

#B63541 #35B669 #3581B6

monochromatic

#57191F #872730 #B63541 #CF5964 #DD8991

Accessibility & contrast

On white

5.87

#B63541 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B63541 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63541

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63541	#FFFFFF	#000000	##FFFFFF
##B63541	1.00	5.87	3.57	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585341

Deuteranopia (green-blind)

#796F3D

Tritanopia (blue-blind)

#C80E3A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b63541;
/* rgb */ color: rgb(182, 53, 65);
/* oklch */ color: oklch(52.5% 0.165 19.9);

Tailwind

colors: {
  custom: {
    50: '#d37575',
    500: '#b63541',
    950: '#000000',
  },
}

SCSS

$custom: #b63541;
$custom-light: #d37575;
$custom-dark: #000000;

JSON

{
  "hex": "#b63541",
  "rgb": {
    "r": 182,
    "g": 53,
    "b": 65
  },
  "hsl": {
    "h": 354.419,
    "s": 54.894,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52525,
    "c": 0.16473,
    "h": 19.9
  },
  "luminance": 0.12873
}

Semantic roles & 50–950 ramp

primary

#B63541

secondary

#80C7C0

accent

#DED04A

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B63541

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

Preview Lab → · Contrast checker → · Palette generator →