#B63C2A#B63C2A

#B63C2A is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.9% C 0.161 H 31.2°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#B63C2A
RGB	rgb(182, 60, 42)
HSL	hsl(8, 63%, 44%)
HSV	hsv(8, 77%, 71%)
CMYK	cmyk(0%, 67%, 76.9%, 28.6%)
CIE-LAB	lab(43.28, 48.31, 37.76)
CIE-LCH	lch(43.28, 61.32, 38.01°)
OKLab	oklab(52.95% 0.1377 0.0835)
OKLCH	oklch(52.95% 0.161 31.2)
XYZ	xyz(21.3276, 13.3471, 3.6433)
Luminance	0.1334 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63C2A #2AA4B6

analogous

#B62A5E #B63C2A #B6822A

triadic

#B63C2A #2AB63C #3C2AB6

tetradic

#B63C2A #5EB62A #2AA4B6 #822AB6

square

#B63C2A #5EB62A #2AA4B6 #822AB6

split-complementary

#B63C2A #2AB682 #2A5EB6

monochromatic

#531B13 #842C1F #B63C2A #D55A48 #E0877A

Accessibility & contrast

On white

5.72

#B63C2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B63C2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63C2A

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63C2A	#FFFFFF	#000000	##FFFFFF
##B63C2A	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)

#5F5527

Deuteranopia (green-blind)

#7D7025

Tritanopia (blue-blind)

#C81739

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b63c2a;
/* rgb */ color: rgb(182, 60, 42);
/* oklch */ color: oklch(52.9% 0.161 31.2);

Tailwind

colors: {
  custom: {
    50: '#d47865',
    500: '#b63c2a',
    950: '#000000',
  },
}

SCSS

$custom: #b63c2a;
$custom-light: #d47865;
$custom-dark: #000000;

JSON

{
  "hex": "#b63c2a",
  "rgb": {
    "r": 182,
    "g": 60,
    "b": 42
  },
  "hsl": {
    "h": 7.714,
    "s": 62.5,
    "l": 43.922
  },
  "oklch": {
    "l": 0.5295,
    "c": 0.161,
    "h": 31.2
  },
  "luminance": 0.13344
}

Semantic roles & 50–950 ramp

primary

#B63C2A

secondary

#73BDC8

accent

#D1E642

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B63C2A

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

Preview Lab → · Contrast checker → · Palette generator →