#B63B49#B63B49

#B63B49 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.3% C 0.158 H 17.8°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#B63B49
RGB	rgb(182, 59, 73)
HSL	hsl(353, 51%, 47%)
HSV	hsv(353, 68%, 71%)
CMYK	cmyk(0%, 67.6%, 59.9%, 28.6%)
CIE-LAB	lab(43.59, 50.42, 19.83)
CIE-LCH	lch(43.59, 54.18, 21.47°)
OKLab	oklab(53.33% 0.1505 0.0485)
OKLCH	oklch(53.33% 0.158 17.8)
XYZ	xyz(22.0601, 13.5571, 7.7572)
Luminance	0.1355 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63B49 #3BB6A8

analogous

#B63B86 #B63B49 #B66B3B

triadic

#B63B49 #49B63B #3B49B6

tetradic

#B63B49 #86B63B #3BB6A8 #6B3BB6

square

#B63B49 #86B63B #3BB6A8 #6B3BB6

split-complementary

#B63B49 #3BB66B #3B86B6

monochromatic

#5A1D24 #882C36 #B63B49 #CC626E #DB9099

Accessibility & contrast

On white

5.66

#B63B49 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#B63B49 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63B49

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63B49	#FFFFFF	#000000	##FFFFFF
##B63B49	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5749

Deuteranopia (green-blind)

#7A7146

Tritanopia (blue-blind)

#C71F41

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63b49;
/* rgb */ color: rgb(182, 59, 73);
/* oklch */ color: oklch(53.3% 0.158 17.8);

Tailwind

colors: {
  custom: {
    50: '#d2787b',
    500: '#b63b49',
    950: '#000000',
  },
}

SCSS

$custom: #b63b49;
$custom-light: #d2787b;
$custom-dark: #000000;

JSON

{
  "hex": "#b63b49",
  "rgb": {
    "r": 182,
    "g": 59,
    "b": 73
  },
  "hsl": {
    "h": 353.171,
    "s": 51.037,
    "l": 47.255
  },
  "oklch": {
    "l": 0.5333,
    "c": 0.15813,
    "h": 17.8
  },
  "luminance": 0.13554
}

Semantic roles & 50–950 ramp

primary

#B63B49

secondary

#87C6BF

accent

#DBCA4D

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B63B49

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

Preview Lab → · Contrast checker → · Palette generator →