#B63D4B#B63D4B

#B63D4B is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.6% C 0.156 H 17.5°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#B63D4B
RGB	rgb(182, 61, 75)
HSL	hsl(353, 50%, 48%)
HSV	hsv(353, 66%, 71%)
CMYK	cmyk(0%, 66.5%, 58.8%, 28.6%)
CIE-LAB	lab(43.94, 49.73, 19.06)
CIE-LCH	lch(43.94, 53.26, 20.97°)
OKLab	oklab(53.6% 0.1487 0.0468)
OKLCH	oklch(53.6% 0.156 17.5)
XYZ	xyz(22.2322, 13.7936, 8.1470)
Luminance	0.1379 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63D4B #3DB6A8

analogous

#B63D87 #B63D4B #B66C3D

triadic

#B63D4B #4BB63D #3D4BB6

tetradic

#B63D4B #87B63D #3DB6A8 #6C3DB6

square

#B63D4B #87B63D #3DB6A8 #6C3DB6

split-complementary

#B63D4B #3DB66C #3D87B6

monochromatic

#5A1E25 #882E38 #B63D4B #CB6571 #DB939B

Accessibility & contrast

On white

5.59

#B63D4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#B63D4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63D4B

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63D4B	#FFFFFF	#000000	##FFFFFF
##B63D4B	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C584B

Deuteranopia (green-blind)

#7A7148

Tritanopia (blue-blind)

#C72343

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b63d4b;
/* rgb */ color: rgb(182, 61, 75);
/* oklch */ color: oklch(53.6% 0.156 17.5);

Tailwind

colors: {
  custom: {
    50: '#d2797d',
    500: '#b63d4b',
    950: '#000000',
  },
}

SCSS

$custom: #b63d4b;
$custom-light: #d2797d;
$custom-dark: #000000;

JSON

{
  "hex": "#b63d4b",
  "rgb": {
    "r": 182,
    "g": 61,
    "b": 75
  },
  "hsl": {
    "h": 353.058,
    "s": 49.794,
    "l": 47.647
  },
  "oklch": {
    "l": 0.536,
    "c": 0.15587,
    "h": 17.5
  },
  "luminance": 0.13791
}

Semantic roles & 50–950 ramp

primary

#B63D4B

secondary

#89C6BF

accent

#D9C94E

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150A09

muted

#837C7B

Preview Lab

Preview with #B63D4B

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

Preview Lab → · Contrast checker → · Palette generator →