#B63C2C#B63C2C

#B63C2C is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.0% C 0.161 H 30.5°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#B63C2C
RGB	rgb(182, 60, 44)
HSL	hsl(7, 61%, 44%)
HSV	hsv(7, 76%, 71%)
CMYK	cmyk(0%, 67%, 75.8%, 28.6%)
CIE-LAB	lab(43.30, 48.39, 36.68)
CIE-LCH	lch(43.30, 60.72, 37.16°)
OKLab	oklab(52.97% 0.1383 0.0816)
OKLCH	oklch(52.97% 0.161 30.5)
XYZ	xyz(21.3643, 13.3618, 3.8365)
Luminance	0.1336 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63C2C #2CA6B6

analogous

#B62C61 #B63C2C #B6812C

triadic

#B63C2C #2CB63C #3C2CB6

tetradic

#B63C2C #61B62C #2CA6B6 #812CB6

square

#B63C2C #61B62C #2CA6B6 #812CB6

split-complementary

#B63C2C #2CB681 #2C61B6

monochromatic

#531C14 #852C20 #B63C2C #D45B4C #E0887D

Accessibility & contrast

On white

5.72

#B63C2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B63C2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63C2C

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63C2C	#FFFFFF	#000000	##FFFFFF
##B63C2C	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5529

Deuteranopia (green-blind)

#7D7028

Tritanopia (blue-blind)

#C81839

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b63c2c;
/* rgb */ color: rgb(182, 60, 44);
/* oklch */ color: oklch(53.0% 0.161 30.5);

Tailwind

colors: {
  custom: {
    50: '#d47866',
    500: '#b63c2c',
    950: '#000000',
  },
}

SCSS

$custom: #b63c2c;
$custom-light: #d47866;
$custom-dark: #000000;

JSON

{
  "hex": "#b63c2c",
  "rgb": {
    "r": 182,
    "g": 60,
    "b": 44
  },
  "hsl": {
    "h": 6.957,
    "s": 61.062,
    "l": 44.314
  },
  "oklch": {
    "l": 0.52973,
    "c": 0.16062,
    "h": 30.5
  },
  "luminance": 0.13359
}

Semantic roles & 50–950 ramp

primary

#B63C2C

secondary

#76BEC8

accent

#D2E444

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B63C2C

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

Preview Lab → · Contrast checker → · Palette generator →