#B73B51#B73B51

#B73B51 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.7% C 0.159 H 14.0°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#B73B51
RGB	rgb(183, 59, 81)
HSL	hsl(349, 51%, 47%)
HSV	hsv(349, 68%, 72%)
CMYK	cmyk(0%, 67.8%, 55.7%, 28.2%)
CIE-LAB	lab(43.93, 51.33, 15.39)
CIE-LCH	lch(43.93, 53.59, 16.69°)
OKLab	oklab(53.67% 0.1546 0.0385)
OKLCH	oklch(53.67% 0.159 14)
XYZ	xyz(22.5797, 13.7923, 9.2562)
Luminance	0.1379 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73B51 #3BB7A1

analogous

#B73B8F #B73B51 #B7633B

triadic

#B73B51 #51B73B #3B51B7

tetradic

#B73B51 #8FB73B #3BB7A1 #633BB7

square

#B73B51 #8FB73B #3BB7A1 #633BB7

split-complementary

#B73B51 #3BB763 #3B8FB7

monochromatic

#5A1D28 #892C3D #B73B51 #CD6375 #DC919E

Accessibility & contrast

On white

5.59

#B73B51 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#B73B51 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73B51

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73B51	#FFFFFF	#000000	##FFFFFF
##B73B51	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5851

Deuteranopia (green-blind)

#79714E

Tritanopia (blue-blind)

#C82244

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b73b51;
/* rgb */ color: rgb(183, 59, 81);
/* oklch */ color: oklch(53.7% 0.159 14.0);

Tailwind

colors: {
  custom: {
    50: '#d37981',
    500: '#b73b51',
    950: '#000000',
  },
}

SCSS

$custom: #b73b51;
$custom-light: #d37981;
$custom-dark: #000000;

JSON

{
  "hex": "#b73b51",
  "rgb": {
    "r": 183,
    "g": 59,
    "b": 81
  },
  "hsl": {
    "h": 349.355,
    "s": 51.24,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53673,
    "c": 0.15934,
    "h": 14
  },
  "luminance": 0.13789
}

Semantic roles & 50–950 ramp

primary

#B73B51

secondary

#87C6BB

accent

#DBC24D

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B73B51

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

Preview Lab → · Contrast checker → · Palette generator →