#B73744#B73744

#B73744 is a mid, vivid red. Relative luminance 0.132; OKLCH L 53.0% C 0.164 H 19.2°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B73744
RGB	rgb(183, 55, 68)
HSL	hsl(354, 54%, 47%)
HSV	hsv(354, 70%, 72%)
CMYK	cmyk(0%, 69.9%, 62.8%, 28.2%)
CIE-LAB	lab(43.09, 52.01, 22.29)
CIE-LCH	lch(43.09, 56.58, 23.20°)
OKLab	oklab(52.96% 0.1545 0.0537)
OKLCH	oklch(52.96% 0.164 19.2)
XYZ	xyz(21.9402, 13.2201, 6.8642)
Luminance	0.1322 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73744 #37B7AA

analogous

#B73784 #B73744 #B76A37

triadic

#B73744 #44B737 #3744B7

tetradic

#B73744 #84B737 #37B7AA #6A37B7

square

#B73744 #84B737 #37B7AA #6A37B7

split-complementary

#B73744 #37B76A #3784B7

monochromatic

#591B21 #882933 #B73744 #CE5D68 #DC8C94

Accessibility & contrast

On white

5.76

#B73744 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B73744 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73744

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73744	#FFFFFF	#000000	##FFFFFF
##B73744	1.00	5.76	3.64	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595544

Deuteranopia (green-blind)

#7A7040

Tritanopia (blue-blind)

#C9143D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b73744;
/* rgb */ color: rgb(183, 55, 68);
/* oklch */ color: oklch(53.0% 0.164 19.2);

Tailwind

colors: {
  custom: {
    50: '#d47677',
    500: '#b73744',
    950: '#000000',
  },
}

SCSS

$custom: #b73744;
$custom-light: #d47677;
$custom-dark: #000000;

JSON

{
  "hex": "#b73744",
  "rgb": {
    "r": 183,
    "g": 55,
    "b": 68
  },
  "hsl": {
    "h": 353.906,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52962,
    "c": 0.1636,
    "h": 19.2
  },
  "luminance": 0.13217
}

Semantic roles & 50–950 ramp

primary

#B73744

secondary

#83C7C0

accent

#DDCE4B

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B73744

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

Preview Lab → · Contrast checker → · Palette generator →