#B63C3D#B63C3D

#B63C3D is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.2% C 0.158 H 23.8°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#B63C3D
RGB	rgb(182, 60, 61)
HSL	hsl(360, 50%, 47%)
HSV	hsv(360, 67%, 71%)
CMYK	cmyk(0%, 67%, 66.5%, 28.6%)
CIE-LAB	lab(43.53, 49.23, 27.05)
CIE-LCH	lch(43.53, 56.18, 28.79°)
OKLab	oklab(53.22% 0.1445 0.0637)
OKLCH	oklch(53.22% 0.158 23.8)
XYZ	xyz(21.7518, 13.5168, 5.8776)
Luminance	0.1351 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63C3D #3CB6B5

analogous

#B63C7A #B63C3D #B6783C

triadic

#B63C3D #3DB63C #3C3DB6

tetradic

#B63C3D #7AB63C #3CB6B5 #783CB6

square

#B63C3D #7AB63C #3CB6B5 #783CB6

split-complementary

#B63C3D #3CB678 #3C7AB6

monochromatic

#5A1E1E #882D2E #B63C3D #CC6364 #DB9192

Accessibility & contrast

On white

5.67

#B63C3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#B63C3D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63C3D

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63C3D	#FFFFFF	#000000	##FFFFFF
##B63C3D	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D563C

Deuteranopia (green-blind)

#7C713A

Tritanopia (blue-blind)

#C81D3E

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63c3d;
/* rgb */ color: rgb(182, 60, 61);
/* oklch */ color: oklch(53.2% 0.158 23.8);

Tailwind

colors: {
  custom: {
    50: '#d37972',
    500: '#b63c3d',
    950: '#000000',
  },
}

SCSS

$custom: #b63c3d;
$custom-light: #d37972;
$custom-dark: #000000;

JSON

{
  "hex": "#b63c3d",
  "rgb": {
    "r": 182,
    "g": 60,
    "b": 61
  },
  "hsl": {
    "h": 359.508,
    "s": 50.413,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53218,
    "c": 0.1579,
    "h": 23.8
  },
  "luminance": 0.13514
}

Semantic roles & 50–950 ramp

primary

#B63C3D

secondary

#88C6C5

accent

#DAD94E

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #B63C3D

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

Preview Lab → · Contrast checker → · Palette generator →