#B43750#B43750

#B43750 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.7% C 0.161 H 12.9°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B43750
RGB	rgb(180, 55, 80)
HSL	hsl(348, 53%, 46%)
HSV	hsv(348, 69%, 71%)
CMYK	cmyk(0%, 69.4%, 55.6%, 29.4%)
CIE-LAB	lab(42.79, 51.90, 14.37)
CIE-LCH	lch(42.79, 53.85, 15.47°)
OKLab	oklab(52.71% 0.1566 0.036)
OKLCH	oklch(52.71% 0.161 12.9)
XYZ	xyz(21.6385, 13.0178, 8.9611)
Luminance	0.1301 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43750 #37B49B

analogous

#B4378E #B43750 #B45C37

triadic

#B43750 #50B437 #3750B4

tetradic

#B43750 #8EB437 #37B49B #5C37B4

square

#B43750 #8EB437 #37B49B #5C37B4

split-complementary

#B43750 #37B45C #378EB4

monochromatic

#561A26 #85293B #B43750 #CD5B72 #DB8A9A

Accessibility & contrast

On white

5.83

#B43750 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B43750 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43750

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43750	#FFFFFF	#000000	##FFFFFF
##B43750	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565550

Deuteranopia (green-blind)

#766E4D

Tritanopia (blue-blind)

#C51C41

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43750;
/* rgb */ color: rgb(180, 55, 80);
/* oklch */ color: oklch(52.7% 0.161 12.9);

Tailwind

colors: {
  custom: {
    50: '#d07680',
    500: '#b43750',
    950: '#000000',
  },
}

SCSS

$custom: #b43750;
$custom-light: #d07680;
$custom-dark: #000000;

JSON

{
  "hex": "#b43750",
  "rgb": {
    "r": 180,
    "g": 55,
    "b": 80
  },
  "hsl": {
    "h": 348,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52714,
    "c": 0.16071,
    "h": 12.9
  },
  "luminance": 0.13015
}

Semantic roles & 50–950 ramp

primary

#B43750

secondary

#81C6B8

accent

#DDC04B

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B43750

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

Preview Lab → · Contrast checker → · Palette generator →