#B73129#B73129

#B73129 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.9% C 0.172 H 28.2°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#B73129
RGB	rgb(183, 49, 41)
HSL	hsl(3, 63%, 44%)
HSV	hsv(3, 78%, 72%)
CMYK	cmyk(0%, 73.2%, 77.6%, 28.2%)
CIE-LAB	lab(41.89, 52.90, 36.89)
CIE-LCH	lch(41.89, 64.49, 34.89°)
OKLab	oklab(51.94% 0.1517 0.0812)
OKLCH	oklch(51.94% 0.172 28.2)
XYZ	xyz(21.0294, 12.4273, 3.3888)
Luminance	0.1242 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73129 #29AFB7

analogous

#B72968 #B73129 #B77829

triadic

#B73129 #29B731 #3129B7

tetradic

#B73129 #68B729 #29AFB7 #7829B7

square

#B73129 #68B729 #29AFB7 #7829B7

split-complementary

#B73129 #29B778 #2968B7

monochromatic

#531613 #85241E #B73129 #D64F47 #E17F79

Accessibility & contrast

On white

6.03

#B73129 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B73129 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73129

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73129	#FFFFFF	#000000	##FFFFFF
##B73129	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595027

Deuteranopia (green-blind)

#7A6D23

Tritanopia (blue-blind)

#CA0031

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b73129;
/* rgb */ color: rgb(183, 49, 41);
/* oklch */ color: oklch(51.9% 0.172 28.2);

Tailwind

colors: {
  custom: {
    50: '#d57364',
    500: '#b73129',
    950: '#000000',
  },
}

SCSS

$custom: #b73129;
$custom-light: #d57364;
$custom-dark: #000000;

JSON

{
  "hex": "#b73129",
  "rgb": {
    "r": 183,
    "g": 49,
    "b": 41
  },
  "hsl": {
    "h": 3.38,
    "s": 63.393,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51937,
    "c": 0.1721,
    "h": 28.2
  },
  "luminance": 0.12424
}

Semantic roles & 50–950 ramp

primary

#B73129

secondary

#73C4C9

accent

#DDE641

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B73129

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

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