#B63643#B63643

#B63643 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.7% C 0.164 H 19.2°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B63643
RGB	rgb(182, 54, 67)
HSL	hsl(354, 54%, 46%)
HSV	hsv(354, 70%, 71%)
CMYK	cmyk(0%, 70.3%, 63.2%, 28.6%)
CIE-LAB	lab(42.75, 52.01, 22.42)
CIE-LCH	lch(42.75, 56.64, 23.32°)
OKLab	oklab(52.67% 0.1545 0.0539)
OKLCH	oklch(52.67% 0.164 19.2)
XYZ	xyz(21.6259, 12.9918, 6.6780)
Luminance	0.1299 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63643 #36B6A9

analogous

#B63683 #B63643 #B66936

triadic

#B63643 #43B636 #3643B6

tetradic

#B63643 #83B636 #36B6A9 #6936B6

square

#B63643 #83B636 #36B6A9 #6936B6

split-complementary

#B63643 #36B669 #3683B6

monochromatic

#581A20 #872832 #B63643 #CE5B67 #DC8A92

Accessibility & contrast

On white

5.84

#B63643 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B63643 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63643

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63643	#FFFFFF	#000000	##FFFFFF
##B63643	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585443

Deuteranopia (green-blind)

#796F3F

Tritanopia (blue-blind)

#C8123C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b63643;
/* rgb */ color: rgb(182, 54, 67);
/* oklch */ color: oklch(52.7% 0.164 19.2);

Tailwind

colors: {
  custom: {
    50: '#d37677',
    500: '#b63643',
    950: '#000000',
  },
}

SCSS

$custom: #b63643;
$custom-light: #d37677;
$custom-dark: #000000;

JSON

{
  "hex": "#b63643",
  "rgb": {
    "r": 182,
    "g": 54,
    "b": 67
  },
  "hsl": {
    "h": 353.906,
    "s": 54.237,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52667,
    "c": 0.16363,
    "h": 19.2
  },
  "luminance": 0.12989
}

Semantic roles & 50–950 ramp

primary

#B63643

secondary

#81C6BF

accent

#DECF4A

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B63643

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

Preview Lab → · Contrast checker → · Palette generator →