#B73E33#B73E33

#B73E33 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.5% C 0.158 H 28.7°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#B73E33
RGB	rgb(183, 62, 51)
HSL	hsl(5, 56%, 46%)
HSV	hsv(5, 72%, 72%)
CMYK	cmyk(0%, 66.1%, 72.1%, 28.2%)
CIE-LAB	lab(43.88, 48.20, 33.40)
CIE-LCH	lch(43.88, 58.64, 34.72°)
OKLab	oklab(53.47% 0.1391 0.076)
OKLCH	oklch(53.47% 0.158 28.7)
XYZ	xyz(21.8510, 13.7547, 4.6357)
Luminance	0.1375 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73E33 #33ACB7

analogous

#B7336A #B73E33 #B78033

triadic

#B73E33 #33B73E #3E33B7

tetradic

#B73E33 #6AB733 #33ACB7 #8033B7

square

#B73E33 #6AB733 #33ACB7 #8033B7

split-complementary

#B73E33 #33B780 #336AB7

monochromatic

#571E18 #872E26 #B73E33 #D06157 #DE8E87

Accessibility & contrast

On white

5.60

#B73E33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#B73E33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73E33

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73E33	#FFFFFF	#000000	##FFFFFF
##B73E33	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605731

Deuteranopia (green-blind)

#7E712F

Tritanopia (blue-blind)

#C91D3C

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b73e33;
/* rgb */ color: rgb(183, 62, 51);
/* oklch */ color: oklch(53.5% 0.158 28.7);

Tailwind

colors: {
  custom: {
    50: '#d47a6b',
    500: '#b73e33',
    950: '#000000',
  },
}

SCSS

$custom: #b73e33;
$custom-light: #d47a6b;
$custom-dark: #000000;

JSON

{
  "hex": "#b73e33",
  "rgb": {
    "r": 183,
    "g": 62,
    "b": 51
  },
  "hsl": {
    "h": 5,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.53466,
    "c": 0.15848,
    "h": 28.7
  },
  "luminance": 0.13752
}

Semantic roles & 50–950 ramp

primary

#B73E33

secondary

#7FC1C7

accent

#D3E048

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #B73E33

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

Preview Lab → · Contrast checker → · Palette generator →