#B63E43#B63E43

#B63E43 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.6% C 0.155 H 21.7°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#B63E43
RGB	rgb(182, 62, 67)
HSL	hsl(358, 49%, 48%)
HSV	hsv(358, 66%, 71%)
CMYK	cmyk(0%, 65.9%, 63.2%, 28.6%)
CIE-LAB	lab(43.94, 48.76, 23.95)
CIE-LCH	lch(43.94, 54.32, 26.16°)
OKLab	oklab(53.56% 0.1442 0.0574)
OKLCH	oklch(53.56% 0.155 21.7)
XYZ	xyz(22.0293, 13.7986, 6.8125)
Luminance	0.1380 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63E43 #3EB6B1

analogous

#B63E7F #B63E43 #B6753E

triadic

#B63E43 #43B63E #3E43B6

tetradic

#B63E43 #7FB63E #3EB6B1 #753EB6

square

#B63E43 #7FB63E #3EB6B1 #753EB6

split-complementary

#B63E43 #3EB675 #3E7FB6

monochromatic

#5B1F21 #882E32 #B63E43 #CB666A #DB9497

Accessibility & contrast

On white

5.59

#B63E43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#B63E43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63E43

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63E43	#FFFFFF	#000000	##FFFFFF
##B63E43	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5842

Deuteranopia (green-blind)

#7C7140

Tritanopia (blue-blind)

#C72341

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b63e43;
/* rgb */ color: rgb(182, 62, 67);
/* oklch */ color: oklch(53.6% 0.155 21.7);

Tailwind

colors: {
  custom: {
    50: '#d27a77',
    500: '#b63e43',
    950: '#000000',
  },
}

SCSS

$custom: #b63e43;
$custom-light: #d27a77;
$custom-dark: #000000;

JSON

{
  "hex": "#b63e43",
  "rgb": {
    "r": 182,
    "g": 62,
    "b": 67
  },
  "hsl": {
    "h": 357.5,
    "s": 49.18,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53558,
    "c": 0.15516,
    "h": 21.7
  },
  "luminance": 0.13796
}

Semantic roles & 50–950 ramp

primary

#B63E43

secondary

#8AC6C3

accent

#D9D34F

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B63E43

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

Preview Lab → · Contrast checker → · Palette generator →