#B73C38#B73C38

#B73C38 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.3% C 0.160 H 26.0°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#B73C38
RGB	rgb(183, 60, 56)
HSL	hsl(2, 53%, 47%)
HSV	hsv(2, 69%, 72%)
CMYK	cmyk(0%, 67.2%, 69.4%, 28.2%)
CIE-LAB	lab(43.64, 49.29, 30.20)
CIE-LCH	lch(43.64, 57.81, 31.49°)
OKLab	oklab(53.31% 0.1435 0.0699)
OKLCH	oklch(53.31% 0.16 26)
XYZ	xyz(21.8604, 13.5877, 5.2122)
Luminance	0.1358 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73C38 #38B3B7

analogous

#B73874 #B73C38 #B77C38

triadic

#B73C38 #38B73C #3C38B7

tetradic

#B73C38 #74B738 #38B3B7 #7C38B7

square

#B73C38 #74B738 #38B3B7 #7C38B7

split-complementary

#B73C38 #38B77C #3874B7

monochromatic

#591D1B #882D2A #B73C38 #CE625E #DC908D

Accessibility & contrast

On white

5.65

#B73C38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B73C38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73C38

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73C38	#FFFFFF	#000000	##FFFFFF
##B73C38	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5637

Deuteranopia (green-blind)

#7D7134

Tritanopia (blue-blind)

#C91B3C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73c38;
/* rgb */ color: rgb(183, 60, 56);
/* oklch */ color: oklch(53.3% 0.160 26.0);

Tailwind

colors: {
  custom: {
    50: '#d4796f',
    500: '#b73c38',
    950: '#000000',
  },
}

SCSS

$custom: #b73c38;
$custom-light: #d4796f;
$custom-dark: #000000;

JSON

{
  "hex": "#b73c38",
  "rgb": {
    "r": 183,
    "g": 60,
    "b": 56
  },
  "hsl": {
    "h": 1.89,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53305,
    "c": 0.15965,
    "h": 26
  },
  "luminance": 0.13585
}

Semantic roles & 50–950 ramp

primary

#B73C38

secondary

#84C5C7

accent

#D8DD4B

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B73C38

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

Preview Lab → · Contrast checker → · Palette generator →