#B42B43#B42B43

#B42B43 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.3% C 0.172 H 16.3°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#B42B43
RGB	rgb(180, 43, 67)
HSL	hsl(349, 61%, 44%)
HSV	hsv(349, 76%, 71%)
CMYK	cmyk(0%, 76.1%, 62.8%, 29.4%)
CIE-LAB	lab(40.96, 55.32, 20.02)
CIE-LCH	lch(40.96, 58.83, 19.90°)
OKLab	oklab(51.27% 0.1653 0.0485)
OKLCH	oklch(51.27% 0.172 16.3)
XYZ	xyz(20.7016, 11.8394, 6.5043)
Luminance	0.1184 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42B43 #2BB49C

analogous

#B42B87 #B42B43 #B4572B

triadic

#B42B43 #43B42B #2B43B4

tetradic

#B42B43 #87B42B #2BB49C #572BB4

square

#B42B43 #87B42B #2BB49C #572BB4

split-complementary

#B42B43 #2BB457 #2B87B4

monochromatic

#51131E #831F31 #B42B43 #D34961 #DF7A8C

Accessibility & contrast

On white

6.24

#B42B43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#B42B43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42B43

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42B43	#FFFFFF	#000000	##FFFFFF
##B42B43	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524E43

Deuteranopia (green-blind)

#746B3F

Tritanopia (blue-blind)

#C50035

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b42b43;
/* rgb */ color: rgb(180, 43, 67);
/* oklch */ color: oklch(51.3% 0.172 16.3);

Tailwind

colors: {
  custom: {
    50: '#d27076',
    500: '#b42b43',
    950: '#000000',
  },
}

SCSS

$custom: #b42b43;
$custom-light: #d27076;
$custom-dark: #000000;

JSON

{
  "hex": "#b42b43",
  "rgb": {
    "r": 180,
    "g": 43,
    "b": 67
  },
  "hsl": {
    "h": 349.489,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51267,
    "c": 0.17229,
    "h": 16.3
  },
  "luminance": 0.11836
}

Semantic roles & 50–950 ramp

primary

#B42B43

secondary

#73C7B9

accent

#E5C843

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #B42B43

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

Preview Lab → · Contrast checker → · Palette generator →