#B63D2C#B63D2C

#B63D2C is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.1% C 0.160 H 30.9°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#B63D2C
RGB	rgb(182, 61, 44)
HSL	hsl(7, 61%, 44%)
HSV	hsv(7, 76%, 71%)
CMYK	cmyk(0%, 66.5%, 75.8%, 28.6%)
CIE-LAB	lab(43.46, 47.97, 36.85)
CIE-LCH	lch(43.46, 60.49, 37.53°)
OKLab	oklab(53.09% 0.137 0.082)
OKLCH	oklch(53.09% 0.16 30.9)
XYZ	xyz(21.4171, 13.4675, 3.8541)
Luminance	0.1346 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63D2C #2CA5B6

analogous

#B62C60 #B63D2C #B6822C

triadic

#B63D2C #2CB63D #3D2CB6

tetradic

#B63D2C #60B62C #2CA5B6 #822CB6

square

#B63D2C #60B62C #2CA5B6 #822CB6

split-complementary

#B63D2C #2CB682 #2C60B6

monochromatic

#531C14 #852C20 #B63D2C #D45C4C #E0897D

Accessibility & contrast

On white

5.69

#B63D2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B63D2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63D2C

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63D2C	#FFFFFF	#000000	##FFFFFF
##B63D2C	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)

#5F5629

Deuteranopia (green-blind)

#7D7128

Tritanopia (blue-blind)

#C81A3A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63d2c;
/* rgb */ color: rgb(182, 61, 44);
/* oklch */ color: oklch(53.1% 0.160 30.9);

Tailwind

colors: {
  custom: {
    50: '#d47966',
    500: '#b63d2c',
    950: '#000000',
  },
}

SCSS

$custom: #b63d2c;
$custom-light: #d47966;
$custom-dark: #000000;

JSON

{
  "hex": "#b63d2c",
  "rgb": {
    "r": 182,
    "g": 61,
    "b": 44
  },
  "hsl": {
    "h": 7.391,
    "s": 61.062,
    "l": 44.314
  },
  "oklch": {
    "l": 0.53091,
    "c": 0.15968,
    "h": 30.9
  },
  "luminance": 0.13464
}

Semantic roles & 50–950 ramp

primary

#B63D2C

secondary

#76BEC8

accent

#D0E444

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B63D2C

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

Preview Lab → · Contrast checker → · Palette generator →