#B63E33#B63E33

#B63E33 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.3% C 0.157 H 28.7°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#B63E33
RGB	rgb(182, 62, 51)
HSL	hsl(5, 56%, 46%)
HSV	hsv(5, 72%, 71%)
CMYK	cmyk(0%, 65.9%, 72%, 28.6%)
CIE-LAB	lab(43.70, 47.86, 33.15)
CIE-LCH	lch(43.70, 58.22, 34.71°)
OKLab	oklab(53.3% 0.1381 0.0755)
OKLCH	oklch(53.3% 0.157 28.7)
XYZ	xyz(21.6139, 13.6324, 4.6245)
Luminance	0.1363 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63E33 #33ABB6

analogous

#B63369 #B63E33 #B67F33

triadic

#B63E33 #33B63E #3E33B6

tetradic

#B63E33 #69B633 #33ABB6 #7F33B6

square

#B63E33 #69B633 #33ABB6 #7F33B6

split-complementary

#B63E33 #33B67F #3369B6

monochromatic

#561D18 #862E26 #B63E33 #D06156 #DD8E86

Accessibility & contrast

On white

5.64

#B63E33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#B63E33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63E33

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63E33	#FFFFFF	#000000	##FFFFFF
##B63E33	1.00	5.64	3.73	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5731

Deuteranopia (green-blind)

#7D712F

Tritanopia (blue-blind)

#C81E3C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63e33;
/* rgb */ color: rgb(182, 62, 51);
/* oklch */ color: oklch(53.3% 0.157 28.7);

Tailwind

colors: {
  custom: {
    50: '#d37a6b',
    500: '#b63e33',
    950: '#000000',
  },
}

SCSS

$custom: #b63e33;
$custom-light: #d37a6b;
$custom-dark: #000000;

JSON

{
  "hex": "#b63e33",
  "rgb": {
    "r": 182,
    "g": 62,
    "b": 51
  },
  "hsl": {
    "h": 5.038,
    "s": 56.223,
    "l": 45.686
  },
  "oklch": {
    "l": 0.53299,
    "c": 0.1574,
    "h": 28.7
  },
  "luminance": 0.13629
}

Semantic roles & 50–950 ramp

primary

#B63E33

secondary

#7EC1C7

accent

#D3E048

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #B63E33

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

Preview Lab → · Contrast checker → · Palette generator →