#B43749#B43749

#B43749 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.6% C 0.160 H 16.4°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B43749
RGB	rgb(180, 55, 73)
HSL	hsl(351, 53%, 46%)
HSV	hsv(351, 69%, 71%)
CMYK	cmyk(0%, 69.4%, 59.4%, 29.4%)
CIE-LAB	lab(42.64, 51.38, 18.51)
CIE-LCH	lch(42.64, 54.61, 19.81°)
OKLab	oklab(52.56% 0.1538 0.0454)
OKLCH	oklch(52.56% 0.16 16.4)
XYZ	xyz(21.3932, 12.9197, 7.6693)
Luminance	0.1292 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43749 #37B4A2

analogous

#B43787 #B43749 #B46337

triadic

#B43749 #49B437 #3749B4

tetradic

#B43749 #87B437 #37B4A2 #6337B4

square

#B43749 #87B437 #37B4A2 #6337B4

split-complementary

#B43749 #37B463 #3787B4

monochromatic

#561A23 #852936 #B43749 #CD5B6C #DB8A96

Accessibility & contrast

On white

5.86

#B43749 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B43749 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43749

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43749	#FFFFFF	#000000	##FFFFFF
##B43749	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575449

Deuteranopia (green-blind)

#776E46

Tritanopia (blue-blind)

#C5193E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43749;
/* rgb */ color: rgb(180, 55, 73);
/* oklch */ color: oklch(52.6% 0.160 16.4);

Tailwind

colors: {
  custom: {
    50: '#d1767b',
    500: '#b43749',
    950: '#000000',
  },
}

SCSS

$custom: #b43749;
$custom-light: #d1767b;
$custom-dark: #000000;

JSON

{
  "hex": "#b43749",
  "rgb": {
    "r": 180,
    "g": 55,
    "b": 73
  },
  "hsl": {
    "h": 351.36,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52556,
    "c": 0.1604,
    "h": 16.4
  },
  "luminance": 0.12917
}

Semantic roles & 50–950 ramp

primary

#B43749

secondary

#81C6BC

accent

#DDC84B

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B43749

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

Preview Lab → · Contrast checker → · Palette generator →