#B42543#B42543

#B42543 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.8% C 0.177 H 15.2°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#B42543
RGB	rgb(180, 37, 67)
HSL	hsl(347, 66%, 43%)
HSV	hsv(347, 79%, 71%)
CMYK	cmyk(0%, 79.4%, 62.8%, 29.4%)
CIE-LAB	lab(40.30, 57.16, 19.16)
CIE-LCH	lch(40.30, 60.29, 18.53°)
OKLab	oklab(50.78% 0.1713 0.0465)
OKLCH	oklch(50.78% 0.177 15.2)
XYZ	xyz(20.4993, 11.4348, 6.4368)
Luminance	0.1143 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42543 #25B496

analogous

#B4258A #B42543 #B44F25

triadic

#B42543 #43B425 #2543B4

tetradic

#B42543 #8AB425 #25B496 #4F25B4

square

#B42543 #8AB425 #25B496 #4F25B4

split-complementary

#B42543 #25B44F #258AB4

monochromatic

#4E101D #811B30 #B42543 #D73F5F #E27189

Accessibility & contrast

On white

6.39

#B42543 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#B42543 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42543

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42543	#FFFFFF	#000000	##FFFFFF
##B42543	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4C43

Deuteranopia (green-blind)

#736A3F

Tritanopia (blue-blind)

#C60032

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b42543;
/* rgb */ color: rgb(180, 37, 67);
/* oklch */ color: oklch(50.8% 0.177 15.2);

Tailwind

colors: {
  custom: {
    50: '#d26e76',
    500: '#b42543',
    950: '#000000',
  },
}

SCSS

$custom: #b42543;
$custom-light: #d26e76;
$custom-dark: #000000;

JSON

{
  "hex": "#b42543",
  "rgb": {
    "r": 180,
    "g": 37,
    "b": 67
  },
  "hsl": {
    "h": 347.413,
    "s": 65.899,
    "l": 42.549
  },
  "oklch": {
    "l": 0.50782,
    "c": 0.17747,
    "h": 15.2
  },
  "luminance": 0.11432
}

Semantic roles & 50–950 ramp

primary

#B42543

secondary

#6CC9B5

accent

#E9C53F

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #B42543

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

Preview Lab → · Contrast checker → · Palette generator →