#B73E2A#B73E2A

#B73E2A is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.4% C 0.160 H 31.9°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#B73E2A
RGB	rgb(183, 62, 42)
HSL	hsl(9, 63%, 44%)
HSV	hsv(9, 77%, 72%)
CMYK	cmyk(0%, 66.1%, 77%, 28.2%)
CIE-LAB	lab(43.77, 47.81, 38.34)
CIE-LCH	lch(43.77, 61.28, 38.73°)
OKLab	oklab(53.35% 0.136 0.0846)
OKLCH	oklch(53.35% 0.16 31.9)
XYZ	xyz(21.6714, 13.6829, 3.6900)
Luminance	0.1368 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73E2A #2AA3B7

analogous

#B72A5C #B73E2A #B7852A

triadic

#B73E2A #2AB73E #3E2AB7

tetradic

#B73E2A #5CB72A #2AA3B7 #852AB7

square

#B73E2A #5CB72A #2AA3B7 #852AB7

split-complementary

#B73E2A #2AB785 #2A5CB7

monochromatic

#531C13 #852D1F #B73E2A #D55D49 #E1897B

Accessibility & contrast

On white

5.62

#B73E2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#B73E2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73E2A

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73E2A	#FFFFFF	#000000	##FFFFFF
##B73E2A	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605727

Deuteranopia (green-blind)

#7E7125

Tritanopia (blue-blind)

#C91B3A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73e2a;
/* rgb */ color: rgb(183, 62, 42);
/* oklch */ color: oklch(53.4% 0.160 31.9);

Tailwind

colors: {
  custom: {
    50: '#d57965',
    500: '#b73e2a',
    950: '#000000',
  },
}

SCSS

$custom: #b73e2a;
$custom-light: #d57965;
$custom-dark: #000000;

JSON

{
  "hex": "#b73e2a",
  "rgb": {
    "r": 183,
    "g": 62,
    "b": 42
  },
  "hsl": {
    "h": 8.511,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.53354,
    "c": 0.1602,
    "h": 31.9
  },
  "luminance": 0.1368
}

Semantic roles & 50–950 ramp

primary

#B73E2A

secondary

#74BDC9

accent

#CFE642

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B73E2A

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

Preview Lab → · Contrast checker → · Palette generator →