#B73B34#B73B34

#B73B34 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.1% C 0.161 H 27.2°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#B73B34
RGB	rgb(183, 59, 52)
HSL	hsl(3, 56%, 46%)
HSV	hsv(3, 72%, 72%)
CMYK	cmyk(0%, 67.8%, 71.6%, 28.2%)
CIE-LAB	lab(43.43, 49.51, 32.30)
CIE-LCH	lch(43.43, 59.11, 33.13°)
OKLab	oklab(53.13% 0.1434 0.0738)
OKLCH	oklch(53.13% 0.161 27.2)
XYZ	xyz(21.7146, 13.4463, 4.7001)
Luminance	0.1344 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73B34 #34B0B7

analogous

#B7346E #B73B34 #B77C34

triadic

#B73B34 #34B73B #3B34B7

tetradic

#B73B34 #6EB734 #34B0B7 #7C34B7

square

#B73B34 #6EB734 #34B0B7 #7C34B7

split-complementary

#B73B34 #34B77C #346EB7

monochromatic

#581C19 #872C26 #B73B34 #D05F59 #DD8D88

Accessibility & contrast

On white

5.69

#B73B34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B73B34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73B34

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73B34	#FFFFFF	#000000	##FFFFFF
##B73B34	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5632

Deuteranopia (green-blind)

#7D7130

Tritanopia (blue-blind)

#C9173A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73b34;
/* rgb */ color: rgb(183, 59, 52);
/* oklch */ color: oklch(53.1% 0.161 27.2);

Tailwind

colors: {
  custom: {
    50: '#d4786c',
    500: '#b73b34',
    950: '#000000',
  },
}

SCSS

$custom: #b73b34;
$custom-light: #d4786c;
$custom-dark: #000000;

JSON

{
  "hex": "#b73b34",
  "rgb": {
    "r": 183,
    "g": 59,
    "b": 52
  },
  "hsl": {
    "h": 3.206,
    "s": 55.745,
    "l": 46.078
  },
  "oklch": {
    "l": 0.53132,
    "c": 0.16125,
    "h": 27.2
  },
  "luminance": 0.13443
}

Semantic roles & 50–950 ramp

primary

#B73B34

secondary

#80C3C7

accent

#D7DF49

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B73B34

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

Preview Lab → · Contrast checker → · Palette generator →