#B63A44#B63A44

#B63A44 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.1% C 0.159 H 19.9°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#B63A44
RGB	rgb(182, 58, 68)
HSL	hsl(355, 52%, 47%)
HSV	hsv(355, 68%, 71%)
CMYK	cmyk(0%, 68.1%, 62.6%, 28.6%)
CIE-LAB	lab(43.35, 50.49, 22.58)
CIE-LCH	lch(43.35, 55.31, 24.09°)
OKLab	oklab(53.12% 0.1498 0.0544)
OKLCH	oklch(53.12% 0.159 19.9)
XYZ	xyz(21.8500, 13.3916, 6.9020)
Luminance	0.1339 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63A44 #3AB6AC

analogous

#B63A82 #B63A44 #B66E3A

triadic

#B63A44 #44B63A #3A44B6

tetradic

#B63A44 #82B63A #3AB6AC #6E3AB6

square

#B63A44 #82B63A #3AB6AC #6E3AB6

split-complementary

#B63A44 #3AB66E #3A82B6

monochromatic

#591C21 #882B33 #B63A44 #CD6169 #DB8F95

Accessibility & contrast

On white

5.71

#B63A44 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#B63A44 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63A44

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63A44	#FFFFFF	#000000	##FFFFFF
##B63A44	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5643

Deuteranopia (green-blind)

#7A7041

Tritanopia (blue-blind)

#C71B3F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b63a44;
/* rgb */ color: rgb(182, 58, 68);
/* oklch */ color: oklch(53.1% 0.159 19.9);

Tailwind

colors: {
  custom: {
    50: '#d37877',
    500: '#b63a44',
    950: '#000000',
  },
}

SCSS

$custom: #b63a44;
$custom-light: #d37877;
$custom-dark: #000000;

JSON

{
  "hex": "#b63a44",
  "rgb": {
    "r": 182,
    "g": 58,
    "b": 68
  },
  "hsl": {
    "h": 355.161,
    "s": 51.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53118,
    "c": 0.15939,
    "h": 19.9
  },
  "luminance": 0.13389
}

Semantic roles & 50–950 ramp

primary

#B63A44

secondary

#86C6C1

accent

#DBD04D

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B63A44

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

Preview Lab → · Contrast checker → · Palette generator →