#B63551#B63551

#B63551 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.9% C 0.165 H 12.3°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#B63551
RGB	rgb(182, 53, 81)
HSL	hsl(347, 55%, 46%)
HSV	hsv(347, 71%, 71%)
CMYK	cmyk(0%, 70.9%, 55.5%, 28.6%)
CIE-LAB	lab(42.90, 53.37, 13.95)
CIE-LCH	lch(42.90, 55.17, 14.65°)
OKLab	oklab(52.87% 0.1613 0.035)
OKLCH	oklch(52.87% 0.165 12.3)
XYZ	xyz(22.0517, 13.0884, 9.1481)
Luminance	0.1308 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63551 #35B69A

analogous

#B63591 #B63551 #B65935

triadic

#B63551 #51B635 #3551B6

tetradic

#B63551 #91B635 #35B69A #5935B6

square

#B63551 #91B635 #35B69A #5935B6

split-complementary

#B63551 #35B659 #3591B6

monochromatic

#571927 #87273C #B63551 #CF5973 #DD899B

Accessibility & contrast

On white

5.81

#B63551 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B63551 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63551

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63551	#FFFFFF	#000000	##FFFFFF
##B63551	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555451

Deuteranopia (green-blind)

#776F4E

Tritanopia (blue-blind)

#C71740

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b63551;
/* rgb */ color: rgb(182, 53, 81);
/* oklch */ color: oklch(52.9% 0.165 12.3);

Tailwind

colors: {
  custom: {
    50: '#d27681',
    500: '#b63551',
    950: '#000000',
  },
}

SCSS

$custom: #b63551;
$custom-light: #d27681;
$custom-dark: #000000;

JSON

{
  "hex": "#b63551",
  "rgb": {
    "r": 182,
    "g": 53,
    "b": 81
  },
  "hsl": {
    "h": 346.977,
    "s": 54.894,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52867,
    "c": 0.16502,
    "h": 12.3
  },
  "luminance": 0.13085
}

Semantic roles & 50–950 ramp

primary

#B63551

secondary

#80C7B7

accent

#DEBE4A

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B63551

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

Preview Lab → · Contrast checker → · Palette generator →