#B63C27#B63C27

#B63C27 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.9% C 0.162 H 32.2°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#B63C27
RGB	rgb(182, 60, 39)
HSL	hsl(9, 65%, 43%)
HSV	hsv(9, 79%, 71%)
CMYK	cmyk(0%, 67%, 78.6%, 28.6%)
CIE-LAB	lab(43.25, 48.20, 39.36)
CIE-LCH	lch(43.25, 62.22, 39.23°)
OKLab	oklab(52.92% 0.1368 0.0861)
OKLCH	oklch(52.92% 0.162 32.2)
XYZ	xyz(21.2759, 13.3264, 3.3710)
Luminance	0.1332 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63C27 #27A1B6

analogous

#B62759 #B63C27 #B68327

triadic

#B63C27 #27B63C #3C27B6

tetradic

#B63C27 #59B627 #27A1B6 #8327B6

square

#B63C27 #59B627 #27A1B6 #8327B6

split-complementary

#B63C27 #27B683 #2759B6

monochromatic

#511B11 #842B1C #B63C27 #D75943 #E28676

Accessibility & contrast

On white

5.73

#B63C27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B63C27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63C27

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63C27	#FFFFFF	#000000	##FFFFFF
##B63C27	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5524

Deuteranopia (green-blind)

#7D7022

Tritanopia (blue-blind)

#C81738

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b63c27;
/* rgb */ color: rgb(182, 60, 39);
/* oklch */ color: oklch(52.9% 0.162 32.2);

Tailwind

colors: {
  custom: {
    50: '#d47863',
    500: '#b63c27',
    950: '#000000',
  },
}

SCSS

$custom: #b63c27;
$custom-light: #d47863;
$custom-dark: #000000;

JSON

{
  "hex": "#b63c27",
  "rgb": {
    "r": 182,
    "g": 60,
    "b": 39
  },
  "hsl": {
    "h": 8.811,
    "s": 64.706,
    "l": 43.333
  },
  "oklch": {
    "l": 0.52918,
    "c": 0.16158,
    "h": 32.2
  },
  "luminance": 0.13323
}

Semantic roles & 50–950 ramp

primary

#B63C27

secondary

#70BCC9

accent

#CFE840

background

#FEF7F5

surface

#FCEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B63C27

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

Preview Lab → · Contrast checker → · Palette generator →