#B42547#B42547

#B42547 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.9% C 0.178 H 13.4°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#B42547
RGB	rgb(180, 37, 71)
HSL	hsl(346, 66%, 43%)
HSV	hsv(346, 79%, 71%)
CMYK	cmyk(0%, 79.4%, 60.6%, 29.4%)
CIE-LAB	lab(40.38, 57.42, 16.75)
CIE-LCH	lch(40.38, 59.81, 16.26°)
OKLab	oklab(50.87% 0.1729 0.0412)
OKLCH	oklch(50.87% 0.178 13.4)
XYZ	xyz(20.6234, 11.4844, 7.0908)
Luminance	0.1148 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42547 #25B492

analogous

#B4258F #B42547 #B44A25

triadic

#B42547 #47B425 #2547B4

tetradic

#B42547 #8FB425 #25B492 #4A25B4

square

#B42547 #8FB425 #25B492 #4A25B4

split-complementary

#B42547 #25B44A #258FB4

monochromatic

#4E101F #811B33 #B42547 #D73F63 #E2718C

Accessibility & contrast

On white

6.37

#B42547 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#B42547 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42547

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42547	#FFFFFF	#000000	##FFFFFF
##B42547	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4C47

Deuteranopia (green-blind)

#726A43

Tritanopia (blue-blind)

#C50034

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b42547;
/* rgb */ color: rgb(180, 37, 71);
/* oklch */ color: oklch(50.9% 0.178 13.4);

Tailwind

colors: {
  custom: {
    50: '#d26e79',
    500: '#b42547',
    950: '#000000',
  },
}

SCSS

$custom: #b42547;
$custom-light: #d26e79;
$custom-dark: #000000;

JSON

{
  "hex": "#b42547",
  "rgb": {
    "r": 180,
    "g": 37,
    "b": 71
  },
  "hsl": {
    "h": 345.734,
    "s": 65.899,
    "l": 42.549
  },
  "oklch": {
    "l": 0.50868,
    "c": 0.17769,
    "h": 13.4
  },
  "luminance": 0.11481
}

Semantic roles & 50–950 ramp

primary

#B42547

secondary

#6CC9B3

accent

#E9C03F

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150809

muted

#837B7B

Preview Lab

Preview with #B42547

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

Preview Lab → · Contrast checker → · Palette generator →