#B42347#B42347

#B42347 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.7% C 0.179 H 13.1°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#B42347
RGB	rgb(180, 35, 71)
HSL	hsl(345, 67%, 42%)
HSV	hsv(345, 81%, 71%)
CMYK	cmyk(0%, 80.6%, 60.6%, 29.4%)
CIE-LAB	lab(40.19, 57.98, 16.48)
CIE-LCH	lch(40.19, 60.28, 15.87°)
OKLab	oklab(50.72% 0.1747 0.0405)
OKLCH	oklch(50.72% 0.179 13.1)
XYZ	xyz(20.5629, 11.3634, 7.0706)
Luminance	0.1136 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42347 #23B490

analogous

#B42390 #B42347 #B44723

triadic

#B42347 #47B423 #2347B4

tetradic

#B42347 #90B423 #23B490 #4723B4

square

#B42347 #90B423 #23B490 #4723B4

split-complementary

#B42347 #23B447 #2390B4

monochromatic

#4E0F1F #811933 #B42347 #D93B62 #E36E8B

Accessibility & contrast

On white

6.42

#B42347 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#B42347 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42347

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42347	#FFFFFF	#000000	##FFFFFF
##B42347	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4C47

Deuteranopia (green-blind)

#726943

Tritanopia (blue-blind)

#C50033

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b42347;
/* rgb */ color: rgb(180, 35, 71);
/* oklch */ color: oklch(50.7% 0.179 13.1);

Tailwind

colors: {
  custom: {
    50: '#d26d79',
    500: '#b42347',
    950: '#000000',
  },
}

SCSS

$custom: #b42347;
$custom-light: #d26d79;
$custom-dark: #000000;

JSON

{
  "hex": "#b42347",
  "rgb": {
    "r": 180,
    "g": 35,
    "b": 71
  },
  "hsl": {
    "h": 345.103,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.50721,
    "c": 0.17931,
    "h": 13.1
  },
  "luminance": 0.1136
}

Semantic roles & 50–950 ramp

primary

#B42347

secondary

#69C9B2

accent

#EABF3D

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150809

muted

#837B7B

Preview Lab

Preview with #B42347

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

Preview Lab → · Contrast checker → · Palette generator →