#B63C43#B63C43

#B63C43 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.3% C 0.157 H 21.1°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#B63C43
RGB	rgb(182, 60, 67)
HSL	hsl(357, 50%, 47%)
HSV	hsv(357, 67%, 71%)
CMYK	cmyk(0%, 67%, 63.2%, 28.6%)
CIE-LAB	lab(43.63, 49.60, 23.55)
CIE-LCH	lch(43.63, 54.91, 25.40°)
OKLab	oklab(53.33% 0.1468 0.0565)
OKLCH	oklch(53.33% 0.157 21.1)
XYZ	xyz(21.9226, 13.5851, 6.7769)
Luminance	0.1358 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63C43 #3CB6AF

analogous

#B63C80 #B63C43 #B6723C

triadic

#B63C43 #43B63C #3C43B6

tetradic

#B63C43 #80B63C #3CB6AF #723CB6

square

#B63C43 #80B63C #3CB6AF #723CB6

split-complementary

#B63C43 #3CB672 #3C80B6

monochromatic

#5A1E21 #882D32 #B63C43 #CC6369 #DB9196

Accessibility & contrast

On white

5.65

#B63C43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B63C43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63C43

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63C43	#FFFFFF	#000000	##FFFFFF
##B63C43	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5742

Deuteranopia (green-blind)

#7B7140

Tritanopia (blue-blind)

#C71F40

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63c43;
/* rgb */ color: rgb(182, 60, 67);
/* oklch */ color: oklch(53.3% 0.157 21.1);

Tailwind

colors: {
  custom: {
    50: '#d37977',
    500: '#b63c43',
    950: '#000000',
  },
}

SCSS

$custom: #b63c43;
$custom-light: #d37977;
$custom-dark: #000000;

JSON

{
  "hex": "#b63c43",
  "rgb": {
    "r": 182,
    "g": 60,
    "b": 67
  },
  "hsl": {
    "h": 356.557,
    "s": 50.413,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53325,
    "c": 0.15732,
    "h": 21.1
  },
  "luminance": 0.13582
}

Semantic roles & 50–950 ramp

primary

#B63C43

secondary

#88C6C2

accent

#DAD24E

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B63C43

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

Preview Lab → · Contrast checker → · Palette generator →