#B63D2A#B63D2A

#B63D2A is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.1% C 0.160 H 31.6°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#B63D2A
RGB	rgb(182, 61, 42)
HSL	hsl(8, 63%, 44%)
HSV	hsv(8, 77%, 71%)
CMYK	cmyk(0%, 66.5%, 76.9%, 28.6%)
CIE-LAB	lab(43.44, 47.89, 37.93)
CIE-LCH	lch(43.44, 61.09, 38.38°)
OKLab	oklab(53.07% 0.1364 0.0838)
OKLCH	oklch(53.07% 0.16 31.6)
XYZ	xyz(21.3804, 13.4529, 3.6609)
Luminance	0.1345 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63D2A #2AA3B6

analogous

#B62A5D #B63D2A #B6832A

triadic

#B63D2A #2AB63D #3D2AB6

tetradic

#B63D2A #5DB62A #2AA3B6 #832AB6

square

#B63D2A #5DB62A #2AA3B6 #832AB6

split-complementary

#B63D2A #2AB683 #2A5DB6

monochromatic

#531C13 #842C1F #B63D2A #D55B48 #E0887A

Accessibility & contrast

On white

5.69

#B63D2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B63D2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63D2A

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63D2A	#FFFFFF	#000000	##FFFFFF
##B63D2A	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5627

Deuteranopia (green-blind)

#7D7025

Tritanopia (blue-blind)

#C81A39

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63d2a;
/* rgb */ color: rgb(182, 61, 42);
/* oklch */ color: oklch(53.1% 0.160 31.6);

Tailwind

colors: {
  custom: {
    50: '#d47965',
    500: '#b63d2a',
    950: '#000000',
  },
}

SCSS

$custom: #b63d2a;
$custom-light: #d47965;
$custom-dark: #000000;

JSON

{
  "hex": "#b63d2a",
  "rgb": {
    "r": 182,
    "g": 61,
    "b": 42
  },
  "hsl": {
    "h": 8.143,
    "s": 62.5,
    "l": 43.922
  },
  "oklch": {
    "l": 0.53068,
    "c": 0.16007,
    "h": 31.6
  },
  "luminance": 0.1345
}

Semantic roles & 50–950 ramp

primary

#B63D2A

secondary

#73BDC8

accent

#CFE642

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B63D2A

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

Preview Lab → · Contrast checker → · Palette generator →