#B73029#B73029

#B73029 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.173 H 27.9°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#B73029
RGB	rgb(183, 48, 41)
HSL	hsl(3, 63%, 44%)
HSV	hsv(3, 78%, 72%)
CMYK	cmyk(0%, 73.8%, 77.6%, 28.2%)
CIE-LAB	lab(41.76, 53.26, 36.76)
CIE-LCH	lch(41.76, 64.71, 34.61°)
OKLab	oklab(51.84% 0.1529 0.0809)
OKLCH	oklch(51.84% 0.173 27.9)
XYZ	xyz(20.9881, 12.3445, 3.3750)
Luminance	0.1234 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73029 #29B0B7

analogous

#B72969 #B73029 #B77729

triadic

#B73029 #29B730 #3029B7

tetradic

#B73029 #69B729 #29B0B7 #7729B7

square

#B73029 #69B729 #29B0B7 #7729B7

split-complementary

#B73029 #29B777 #2969B7

monochromatic

#531613 #85231E #B73029 #D64E47 #E17E79

Accessibility & contrast

On white

6.06

#B73029 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B73029 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73029

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73029	#FFFFFF	#000000	##FFFFFF
##B73029	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585027

Deuteranopia (green-blind)

#7A6D23

Tritanopia (blue-blind)

#CA0030

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b73029;
/* rgb */ color: rgb(183, 48, 41);
/* oklch */ color: oklch(51.8% 0.173 27.9);

Tailwind

colors: {
  custom: {
    50: '#d67263',
    500: '#b73029',
    950: '#000000',
  },
}

SCSS

$custom: #b73029;
$custom-light: #d67263;
$custom-dark: #000000;

JSON

{
  "hex": "#b73029",
  "rgb": {
    "r": 183,
    "g": 48,
    "b": 41
  },
  "hsl": {
    "h": 2.958,
    "s": 63.393,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51841,
    "c": 0.17295,
    "h": 27.9
  },
  "luminance": 0.12341
}

Semantic roles & 50–950 ramp

primary

#B73029

secondary

#73C5C9

accent

#DEE641

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B73029

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

Preview Lab → · Contrast checker → · Palette generator →