#B73229#B73229

#B73229 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.0% C 0.171 H 28.4°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B73229
RGB	rgb(183, 50, 41)
HSL	hsl(4, 63%, 44%)
HSV	hsv(4, 78%, 72%)
CMYK	cmyk(0%, 72.7%, 77.6%, 28.2%)
CIE-LAB	lab(42.02, 52.54, 37.03)
CIE-LCH	lch(42.02, 64.28, 35.18°)
OKLab	oklab(52.04% 0.1506 0.0815)
OKLCH	oklch(52.04% 0.171 28.4)
XYZ	xyz(21.0717, 12.5118, 3.4029)
Luminance	0.1251 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73229 #29AEB7

analogous

#B72967 #B73229 #B77929

triadic

#B73229 #29B732 #3229B7

tetradic

#B73229 #67B729 #29AEB7 #7929B7

square

#B73229 #67B729 #29AEB7 #7929B7

split-complementary

#B73229 #29B779 #2967B7

monochromatic

#531713 #85241E #B73229 #D65047 #E18079

Accessibility & contrast

On white

6.00

#B73229 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B73229 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73229

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73229	#FFFFFF	#000000	##FFFFFF
##B73229	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5127

Deuteranopia (green-blind)

#7A6E24

Tritanopia (blue-blind)

#CA0031

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b73229;
/* rgb */ color: rgb(183, 50, 41);
/* oklch */ color: oklch(52.0% 0.171 28.4);

Tailwind

colors: {
  custom: {
    50: '#d57364',
    500: '#b73229',
    950: '#000000',
  },
}

SCSS

$custom: #b73229;
$custom-light: #d57364;
$custom-dark: #000000;

JSON

{
  "hex": "#b73229",
  "rgb": {
    "r": 183,
    "g": 50,
    "b": 41
  },
  "hsl": {
    "h": 3.803,
    "s": 63.393,
    "l": 43.922
  },
  "oklch": {
    "l": 0.52035,
    "c": 0.17124,
    "h": 28.4
  },
  "luminance": 0.12509
}

Semantic roles & 50–950 ramp

primary

#B73229

secondary

#73C4C9

accent

#DCE641

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B73229

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

Preview Lab → · Contrast checker → · Palette generator →