#B63D4D#B63D4D

#B63D4D is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.6% C 0.156 H 16.5°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#B63D4D
RGB	rgb(182, 61, 77)
HSL	hsl(352, 50%, 48%)
HSV	hsv(352, 66%, 71%)
CMYK	cmyk(0%, 66.5%, 57.7%, 28.6%)
CIE-LAB	lab(43.98, 49.88, 17.89)
CIE-LCH	lch(43.98, 52.99, 19.73°)
OKLab	oklab(53.64% 0.1495 0.0442)
OKLCH	oklch(53.64% 0.156 16.5)
XYZ	xyz(22.3018, 13.8214, 8.5132)
Luminance	0.1382 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63D4D #3DB6A6

analogous

#B63D89 #B63D4D #B6693D

triadic

#B63D4D #4DB63D #3D4DB6

tetradic

#B63D4D #89B63D #3DB6A6 #693DB6

square

#B63D4D #89B63D #3DB6A6 #693DB6

split-complementary

#B63D4D #3DB669 #3D89B6

monochromatic

#5A1E26 #882E3A #B63D4D #CB6572 #DB939C

Accessibility & contrast

On white

5.58

#B63D4D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#B63D4D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63D4D

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63D4D	#FFFFFF	#000000	##FFFFFF
##B63D4D	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B584D

Deuteranopia (green-blind)

#7A714A

Tritanopia (blue-blind)

#C72444

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b63d4d;
/* rgb */ color: rgb(182, 61, 77);
/* oklch */ color: oklch(53.6% 0.156 16.5);

Tailwind

colors: {
  custom: {
    50: '#d2797e',
    500: '#b63d4d',
    950: '#000000',
  },
}

SCSS

$custom: #b63d4d;
$custom-light: #d2797e;
$custom-dark: #000000;

JSON

{
  "hex": "#b63d4d",
  "rgb": {
    "r": 182,
    "g": 61,
    "b": 77
  },
  "hsl": {
    "h": 352.066,
    "s": 49.794,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53644,
    "c": 0.15587,
    "h": 16.5
  },
  "luminance": 0.13818
}

Semantic roles & 50–950 ramp

primary

#B63D4D

secondary

#89C6BE

accent

#D9C74E

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150A0A

muted

#837C7C

Preview Lab

Preview with #B63D4D

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

Preview Lab → · Contrast checker → · Palette generator →