#B73629#B73629

#B73629 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.4% C 0.168 H 29.6°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B73629
RGB	rgb(183, 54, 41)
HSL	hsl(5, 63%, 44%)
HSV	hsv(5, 78%, 72%)
CMYK	cmyk(0%, 70.5%, 77.6%, 28.2%)
CIE-LAB	lab(42.56, 51.03, 37.61)
CIE-LCH	lch(42.56, 63.39, 36.39°)
OKLab	oklab(52.44% 0.1459 0.0828)
OKLCH	oklch(52.44% 0.168 29.6)
XYZ	xyz(21.2503, 12.8689, 3.4624)
Luminance	0.1287 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73629 #29AAB7

analogous

#B72963 #B73629 #B77D29

triadic

#B73629 #29B736 #3629B7

tetradic

#B73629 #63B729 #29AAB7 #7D29B7

square

#B73629 #63B729 #29AAB7 #7D29B7

split-complementary

#B73629 #29B77D #2963B7

monochromatic

#531813 #85271E #B73629 #D65447 #E18379

Accessibility & contrast

On white

5.88

#B73629 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B73629 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73629

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73629	#FFFFFF	#000000	##FFFFFF
##B73629	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5226

Deuteranopia (green-blind)

#7C6F24

Tritanopia (blue-blind)

#CA0234

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b73629;
/* rgb */ color: rgb(183, 54, 41);
/* oklch */ color: oklch(52.4% 0.168 29.6);

Tailwind

colors: {
  custom: {
    50: '#d57564',
    500: '#b73629',
    950: '#000000',
  },
}

SCSS

$custom: #b73629;
$custom-light: #d57564;
$custom-dark: #000000;

JSON

{
  "hex": "#b73629",
  "rgb": {
    "r": 183,
    "g": 54,
    "b": 41
  },
  "hsl": {
    "h": 5.493,
    "s": 63.393,
    "l": 43.922
  },
  "oklch": {
    "l": 0.52444,
    "c": 0.16773,
    "h": 29.6
  },
  "luminance": 0.12866
}

Semantic roles & 50–950 ramp

primary

#B73629

secondary

#73C1C9

accent

#D7E641

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B73629

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

Preview Lab → · Contrast checker → · Palette generator →