#B63443#B63443

#B63443 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.5% C 0.166 H 18.7°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#B63443
RGB	rgb(182, 52, 67)
HSL	hsl(353, 56%, 46%)
HSV	hsv(353, 71%, 71%)
CMYK	cmyk(0%, 71.4%, 63.2%, 28.6%)
CIE-LAB	lab(42.47, 52.77, 22.07)
CIE-LCH	lch(42.47, 57.20, 22.69°)
OKLab	oklab(52.46% 0.1569 0.0531)
OKLCH	oklch(52.46% 0.166 18.7)
XYZ	xyz(21.5347, 12.8094, 6.6476)
Luminance	0.1281 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63443 #34B6A7

analogous

#B63484 #B63443 #B66634

triadic

#B63443 #43B634 #3443B6

tetradic

#B63443 #84B634 #34B6A7 #6634B6

square

#B63443 #84B634 #34B6A7 #6634B6

split-complementary

#B63443 #34B666 #3484B6

monochromatic

#571920 #862631 #B63443 #CF5866 #DD8891

Accessibility & contrast

On white

5.90

#B63443 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B63443 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63443

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63443	#FFFFFF	#000000	##FFFFFF
##B63443	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575343

Deuteranopia (green-blind)

#786E3F

Tritanopia (blue-blind)

#C80C3A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b63443;
/* rgb */ color: rgb(182, 52, 67);
/* oklch */ color: oklch(52.5% 0.166 18.7);

Tailwind

colors: {
  custom: {
    50: '#d37577',
    500: '#b63443',
    950: '#000000',
  },
}

SCSS

$custom: #b63443;
$custom-light: #d37577;
$custom-dark: #000000;

JSON

{
  "hex": "#b63443",
  "rgb": {
    "r": 182,
    "g": 52,
    "b": 67
  },
  "hsl": {
    "h": 353.077,
    "s": 55.556,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52462,
    "c": 0.16565,
    "h": 18.7
  },
  "luminance": 0.12806
}

Semantic roles & 50–950 ramp

primary

#B63443

secondary

#7FC7BE

accent

#DFCE49

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B63443

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

Preview Lab → · Contrast checker → · Palette generator →