#B73D27#B73D27

#B73D27 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.2% C 0.162 H 32.5°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#B73D27
RGB	rgb(183, 61, 39)
HSL	hsl(9, 65%, 44%)
HSV	hsv(9, 79%, 72%)
CMYK	cmyk(0%, 66.7%, 78.7%, 28.2%)
CIE-LAB	lab(43.59, 48.12, 39.76)
CIE-LCH	lch(43.59, 62.42, 39.56°)
OKLab	oklab(53.2% 0.1364 0.0869)
OKLCH	oklch(53.2% 0.162 32.5)
XYZ	xyz(21.5658, 13.5544, 3.3998)
Luminance	0.1355 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73D27 #27A1B7

analogous

#B72759 #B73D27 #B78527

triadic

#B73D27 #27B73D #3D27B7

tetradic

#B73D27 #59B727 #27A1B7 #8527B7

square

#B73D27 #59B727 #27A1B7 #8527B7

split-complementary

#B73D27 #27B785 #2759B7

monochromatic

#521B11 #852C1C #B73D27 #D75B44 #E28776

Accessibility & contrast

On white

5.66

#B73D27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#B73D27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73D27

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73D27	#FFFFFF	#000000	##FFFFFF
##B73D27	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605624

Deuteranopia (green-blind)

#7E7122

Tritanopia (blue-blind)

#C91839

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73d27;
/* rgb */ color: rgb(183, 61, 39);
/* oklch */ color: oklch(53.2% 0.162 32.5);

Tailwind

colors: {
  custom: {
    50: '#d57963',
    500: '#b73d27',
    950: '#000000',
  },
}

SCSS

$custom: #b73d27;
$custom-light: #d57963;
$custom-dark: #000000;

JSON

{
  "hex": "#b73d27",
  "rgb": {
    "r": 183,
    "g": 61,
    "b": 39
  },
  "hsl": {
    "h": 9.167,
    "s": 64.865,
    "l": 43.529
  },
  "oklch": {
    "l": 0.53203,
    "c": 0.16172,
    "h": 32.5
  },
  "luminance": 0.13551
}

Semantic roles & 50–950 ramp

primary

#B73D27

secondary

#70BCC9

accent

#CEE840

background

#FEF7F5

surface

#FCEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B73D27

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

Preview Lab → · Contrast checker → · Palette generator →