#B73C35#B73C35

#B73C35 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.3% C 0.160 H 27.2°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#B73C35
RGB	rgb(183, 60, 53)
HSL	hsl(3, 55%, 46%)
HSV	hsv(3, 71%, 72%)
CMYK	cmyk(0%, 67.2%, 71%, 28.2%)
CIE-LAB	lab(43.59, 49.14, 31.91)
CIE-LCH	lch(43.59, 58.59, 33.00°)
OKLab	oklab(53.26% 0.1424 0.0732)
OKLCH	oklch(53.26% 0.16 27.2)
XYZ	xyz(21.7892, 13.5592, 4.8373)
Luminance	0.1356 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73C35 #35B0B7

analogous

#B7356F #B73C35 #B77D35

triadic

#B73C35 #35B73C #3C35B7

tetradic

#B73C35 #6FB735 #35B0B7 #7D35B7

square

#B73C35 #6FB735 #35B0B7 #7D35B7

split-complementary

#B73C35 #35B77D #356FB7

monochromatic

#581D1A #882C27 #B73C35 #CF605A #DD8E89

Accessibility & contrast

On white

5.66

#B73C35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#B73C35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73C35

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73C35	#FFFFFF	#000000	##FFFFFF
##B73C35	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5633

Deuteranopia (green-blind)

#7D7131

Tritanopia (blue-blind)

#C91A3B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73c35;
/* rgb */ color: rgb(183, 60, 53);
/* oklch */ color: oklch(53.3% 0.160 27.2);

Tailwind

colors: {
  custom: {
    50: '#d4796c',
    500: '#b73c35',
    950: '#000000',
  },
}

SCSS

$custom: #b73c35;
$custom-light: #d4796c;
$custom-dark: #000000;

JSON

{
  "hex": "#b73c35",
  "rgb": {
    "r": 183,
    "g": 60,
    "b": 53
  },
  "hsl": {
    "h": 3.231,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.5326,
    "c": 0.16011,
    "h": 27.2
  },
  "luminance": 0.13556
}

Semantic roles & 50–950 ramp

primary

#B73C35

secondary

#81C3C7

accent

#D6DE49

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B73C35

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

Preview Lab → · Contrast checker → · Palette generator →