#B73847#B73847

#B73847 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.1% C 0.162 H 18.0°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#B73847
RGB	rgb(183, 56, 71)
HSL	hsl(353, 53%, 47%)
HSV	hsv(353, 69%, 72%)
CMYK	cmyk(0%, 69.4%, 61.2%, 28.2%)
CIE-LAB	lab(43.29, 51.81, 20.70)
CIE-LCH	lch(43.29, 55.79, 21.78°)
OKLab	oklab(53.13% 0.1545 0.0503)
OKLCH	oklch(53.13% 0.162 18)
XYZ	xyz(22.0821, 13.3537, 7.3747)
Luminance	0.1335 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73847 #38B7A8

analogous

#B73887 #B73847 #B76838

triadic

#B73847 #47B738 #3847B7

tetradic

#B73847 #87B738 #38B7A8 #6838B7

square

#B73847 #87B738 #38B7A8 #6838B7

split-complementary

#B73847 #38B768 #3887B7

monochromatic

#591B23 #882A35 #B73847 #CE5E6C #DC8D97

Accessibility & contrast

On white

5.72

#B73847 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B73847 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73847

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73847	#FFFFFF	#000000	##FFFFFF
##B73847	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595547

Deuteranopia (green-blind)

#7A7044

Tritanopia (blue-blind)

#C8183E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b73847;
/* rgb */ color: rgb(183, 56, 71);
/* oklch */ color: oklch(53.1% 0.162 18.0);

Tailwind

colors: {
  custom: {
    50: '#d3777a',
    500: '#b73847',
    950: '#000000',
  },
}

SCSS

$custom: #b73847;
$custom-light: #d3777a;
$custom-dark: #000000;

JSON

{
  "hex": "#b73847",
  "rgb": {
    "r": 183,
    "g": 56,
    "b": 71
  },
  "hsl": {
    "h": 352.913,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53128,
    "c": 0.16246,
    "h": 18
  },
  "luminance": 0.13351
}

Semantic roles & 50–950 ramp

primary

#B73847

secondary

#84C7BF

accent

#DDCB4B

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B73847

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

Preview Lab → · Contrast checker → · Palette generator →