#B73329#B73329

#B73329 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.170 H 28.7°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B73329
RGB	rgb(183, 51, 41)
HSL	hsl(4, 63%, 44%)
HSV	hsv(4, 78%, 72%)
CMYK	cmyk(0%, 72.1%, 77.6%, 28.2%)
CIE-LAB	lab(42.15, 52.17, 37.17)
CIE-LCH	lch(42.15, 64.06, 35.47°)
OKLab	oklab(52.13% 0.1494 0.0818)
OKLCH	oklch(52.13% 0.17 28.7)
XYZ	xyz(21.1150, 12.5983, 3.4173)
Luminance	0.1260 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73329 #29ADB7

analogous

#B72966 #B73329 #B77A29

triadic

#B73329 #29B733 #3329B7

tetradic

#B73329 #66B729 #29ADB7 #7A29B7

square

#B73329 #66B729 #29ADB7 #7A29B7

split-complementary

#B73329 #29B77A #2966B7

monochromatic

#531713 #85251E #B73329 #D65147 #E18179

Accessibility & contrast

On white

5.97

#B73329 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B73329 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73329

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73329	#FFFFFF	#000000	##FFFFFF
##B73329	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5127

Deuteranopia (green-blind)

#7B6E24

Tritanopia (blue-blind)

#CA0032

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b73329;
/* rgb */ color: rgb(183, 51, 41);
/* oklch */ color: oklch(52.1% 0.170 28.7);

Tailwind

colors: {
  custom: {
    50: '#d57464',
    500: '#b73329',
    950: '#000000',
  },
}

SCSS

$custom: #b73329;
$custom-light: #d57464;
$custom-dark: #000000;

JSON

{
  "hex": "#b73329",
  "rgb": {
    "r": 183,
    "g": 51,
    "b": 41
  },
  "hsl": {
    "h": 4.225,
    "s": 63.393,
    "l": 43.922
  },
  "oklch": {
    "l": 0.52134,
    "c": 0.17037,
    "h": 28.7
  },
  "luminance": 0.12595
}

Semantic roles & 50–950 ramp

primary

#B73329

secondary

#73C3C9

accent

#DBE641

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B73329

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

Preview Lab → · Contrast checker → · Palette generator →