#B73433#B73433

#B73433 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.4% C 0.168 H 25.5°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#B73433
RGB	rgb(183, 52, 51)
HSL	hsl(0, 56%, 46%)
HSV	hsv(0, 72%, 72%)
CMYK	cmyk(0%, 71.6%, 72.1%, 28.2%)
CIE-LAB	lab(42.41, 52.21, 31.70)
CIE-LCH	lch(42.41, 61.09, 31.27°)
OKLab	oklab(52.36% 0.1517 0.0723)
OKLCH	oklch(52.36% 0.168 25.5)
XYZ	xyz(21.3564, 12.7655, 4.4708)
Luminance	0.1276 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73433 #33B6B7

analogous

#B73374 #B73433 #B77633

triadic

#B73433 #33B734 #3433B7

tetradic

#B73433 #74B733 #33B6B7 #7633B7

square

#B73433 #74B733 #33B6B7 #7633B7

split-complementary

#B73433 #33B776 #3374B7

monochromatic

#571918 #872626 #B73433 #D05857 #DE8887

Accessibility & contrast

On white

5.91

#B73433 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B73433 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73433

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73433	#FFFFFF	#000000	##FFFFFF
##B73433	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5232

Deuteranopia (green-blind)

#7A6E2F

Tritanopia (blue-blind)

#C90035

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b73433;
/* rgb */ color: rgb(183, 52, 51);
/* oklch */ color: oklch(52.4% 0.168 25.5);

Tailwind

colors: {
  custom: {
    50: '#d5756b',
    500: '#b73433',
    950: '#000000',
  },
}

SCSS

$custom: #b73433;
$custom-light: #d5756b;
$custom-dark: #000000;

JSON

{
  "hex": "#b73433",
  "rgb": {
    "r": 183,
    "g": 52,
    "b": 51
  },
  "hsl": {
    "h": 0.455,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52364,
    "c": 0.16804,
    "h": 25.5
  },
  "luminance": 0.12762
}

Semantic roles & 50–950 ramp

primary

#B73433

secondary

#7FC7C7

accent

#DFE048

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B73433

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

Preview Lab → · Contrast checker → · Palette generator →