#B73F29#B73F29

#B73F29 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.5% C 0.159 H 32.6°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#B73F29
RGB	rgb(183, 63, 41)
HSL	hsl(9, 63%, 44%)
HSV	hsv(9, 78%, 72%)
CMYK	cmyk(0%, 65.6%, 77.6%, 28.2%)
CIE-LAB	lab(43.92, 47.34, 39.04)
CIE-LCH	lch(43.92, 61.36, 39.51°)
OKLab	oklab(53.46% 0.1344 0.0859)
OKLCH	oklch(53.46% 0.159 32.6)
XYZ	xyz(21.7086, 13.7855, 3.6152)
Luminance	0.1378 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73F29 #29A1B7

analogous

#B7295A #B73F29 #B78629

triadic

#B73F29 #29B73F #3F29B7

tetradic

#B73F29 #5AB729 #29A1B7 #8629B7

square

#B73F29 #5AB729 #29A1B7 #8629B7

split-complementary

#B73F29 #29B786 #295AB7

monochromatic

#531D13 #852E1E #B73F29 #D65D47 #E18979

Accessibility & contrast

On white

5.59

#B73F29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#B73F29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73F29

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73F29	#FFFFFF	#000000	##FFFFFF
##B73F29	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615726

Deuteranopia (green-blind)

#7F7224

Tritanopia (blue-blind)

#C91D3B

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b73f29;
/* rgb */ color: rgb(183, 63, 41);
/* oklch */ color: oklch(53.5% 0.159 32.6);

Tailwind

colors: {
  custom: {
    50: '#d57a64',
    500: '#b73f29',
    950: '#000000',
  },
}

SCSS

$custom: #b73f29;
$custom-light: #d57a64;
$custom-dark: #000000;

JSON

{
  "hex": "#b73f29",
  "rgb": {
    "r": 183,
    "g": 63,
    "b": 41
  },
  "hsl": {
    "h": 9.296,
    "s": 63.393,
    "l": 43.922
  },
  "oklch": {
    "l": 0.53463,
    "c": 0.15946,
    "h": 32.6
  },
  "luminance": 0.13782
}

Semantic roles & 50–950 ramp

primary

#B73F29

secondary

#73BCC9

accent

#CDE641

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A05

muted

#847C7A

Preview Lab

Preview with #B73F29

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

Preview Lab → · Contrast checker → · Palette generator →