#B73B52#B73B52

#B73B52 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.7% C 0.159 H 13.5°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#B73B52
RGB	rgb(183, 59, 82)
HSL	hsl(349, 51%, 47%)
HSV	hsv(349, 68%, 72%)
CMYK	cmyk(0%, 67.8%, 55.2%, 28.2%)
CIE-LAB	lab(43.96, 51.41, 14.81)
CIE-LCH	lch(43.96, 53.50, 16.07°)
OKLab	oklab(53.7% 0.155 0.0371)
OKLCH	oklch(53.7% 0.159 13.5)
XYZ	xyz(22.6174, 13.8074, 9.4551)
Luminance	0.1380 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73B52 #3BB7A0

analogous

#B73B90 #B73B52 #B7623B

triadic

#B73B52 #52B73B #3B52B7

tetradic

#B73B52 #90B73B #3BB7A0 #623BB7

square

#B73B52 #90B73B #3BB7A0 #623BB7

split-complementary

#B73B52 #3BB762 #3B90B7

monochromatic

#5A1D29 #892C3D #B73B52 #CD6376 #DC919F

Accessibility & contrast

On white

5.58

#B73B52 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#B73B52 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73B52

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73B52	#FFFFFF	#000000	##FFFFFF
##B73B52	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595852

Deuteranopia (green-blind)

#79714F

Tritanopia (blue-blind)

#C82244

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b73b52;
/* rgb */ color: rgb(183, 59, 82);
/* oklch */ color: oklch(53.7% 0.159 13.5);

Tailwind

colors: {
  custom: {
    50: '#d37982',
    500: '#b73b52',
    950: '#000000',
  },
}

SCSS

$custom: #b73b52;
$custom-light: #d37982;
$custom-dark: #000000;

JSON

{
  "hex": "#b73b52",
  "rgb": {
    "r": 183,
    "g": 59,
    "b": 82
  },
  "hsl": {
    "h": 348.871,
    "s": 51.24,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53696,
    "c": 0.15941,
    "h": 13.5
  },
  "luminance": 0.13804
}

Semantic roles & 50–950 ramp

primary

#B73B52

secondary

#87C6BB

accent

#DBC04D

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150A0A

muted

#837C7C

Preview Lab

Preview with #B73B52

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

Preview Lab → · Contrast checker → · Palette generator →