#B73D34#B73D34

#B73D34 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.4% C 0.159 H 27.9°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#B73D34
RGB	rgb(183, 61, 52)
HSL	hsl(4, 56%, 46%)
HSV	hsv(4, 72%, 72%)
CMYK	cmyk(0%, 66.7%, 71.6%, 28.2%)
CIE-LAB	lab(43.74, 48.67, 32.66)
CIE-LCH	lch(43.74, 58.62, 33.86°)
OKLab	oklab(53.36% 0.1407 0.0746)
OKLCH	oklch(53.36% 0.159 27.9)
XYZ	xyz(21.8194, 13.6558, 4.7351)
Luminance	0.1365 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73D34 #34AEB7

analogous

#B7346C #B73D34 #B77E34

triadic

#B73D34 #34B73D #3D34B7

tetradic

#B73D34 #6CB734 #34AEB7 #7E34B7

square

#B73D34 #6CB734 #34AEB7 #7E34B7

split-complementary

#B73D34 #34B77E #346CB7

monochromatic

#581D19 #872D26 #B73D34 #D06159 #DD8E88

Accessibility & contrast

On white

5.63

#B73D34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#B73D34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73D34

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73D34	#FFFFFF	#000000	##FFFFFF
##B73D34	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5732

Deuteranopia (green-blind)

#7D7130

Tritanopia (blue-blind)

#C91C3C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73d34;
/* rgb */ color: rgb(183, 61, 52);
/* oklch */ color: oklch(53.4% 0.159 27.9);

Tailwind

colors: {
  custom: {
    50: '#d4796c',
    500: '#b73d34',
    950: '#000000',
  },
}

SCSS

$custom: #b73d34;
$custom-light: #d4796c;
$custom-dark: #000000;

JSON

{
  "hex": "#b73d34",
  "rgb": {
    "r": 183,
    "g": 61,
    "b": 52
  },
  "hsl": {
    "h": 4.122,
    "s": 55.745,
    "l": 46.078
  },
  "oklch": {
    "l": 0.53362,
    "c": 0.15929,
    "h": 27.9
  },
  "luminance": 0.13653
}

Semantic roles & 50–950 ramp

primary

#B73D34

secondary

#80C2C7

accent

#D5DF49

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B73D34

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

Preview Lab → · Contrast checker → · Palette generator →