#B73829#B73829

#B73829 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.7% C 0.166 H 30.2°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B73829
RGB	rgb(183, 56, 41)
HSL	hsl(6, 63%, 44%)
HSV	hsv(6, 78%, 72%)
CMYK	cmyk(0%, 69.4%, 77.6%, 28.2%)
CIE-LAB	lab(42.85, 50.25, 37.91)
CIE-LCH	lch(42.85, 62.95, 37.04°)
OKLab	oklab(52.66% 0.1434 0.0834)
OKLCH	oklch(52.66% 0.166 30.2)
XYZ	xyz(21.3453, 13.0589, 3.4941)
Luminance	0.1306 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73829 #29A8B7

analogous

#B72961 #B73829 #B77F29

triadic

#B73829 #29B738 #3829B7

tetradic

#B73829 #61B729 #29A8B7 #7F29B7

square

#B73829 #61B729 #29A8B7 #7F29B7

split-complementary

#B73829 #29B77F #2961B7

monochromatic

#531913 #85291E #B73829 #D65647 #E18479

Accessibility & contrast

On white

5.82

#B73829 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B73829 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73829

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73829	#FFFFFF	#000000	##FFFFFF
##B73829	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5326

Deuteranopia (green-blind)

#7C6F24

Tritanopia (blue-blind)

#CA0A36

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b73829;
/* rgb */ color: rgb(183, 56, 41);
/* oklch */ color: oklch(52.7% 0.166 30.2);

Tailwind

colors: {
  custom: {
    50: '#d57664',
    500: '#b73829',
    950: '#000000',
  },
}

SCSS

$custom: #b73829;
$custom-light: #d57664;
$custom-dark: #000000;

JSON

{
  "hex": "#b73829",
  "rgb": {
    "r": 183,
    "g": 56,
    "b": 41
  },
  "hsl": {
    "h": 6.338,
    "s": 63.393,
    "l": 43.922
  },
  "oklch": {
    "l": 0.52658,
    "c": 0.16592,
    "h": 30.2
  },
  "luminance": 0.13056
}

Semantic roles & 50–950 ramp

primary

#B73829

secondary

#73C0C9

accent

#D5E641

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B73829

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

Preview Lab → · Contrast checker → · Palette generator →