#B73C29#B73C29

#B73C29 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.1% C 0.162 H 31.5°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#B73C29
RGB	rgb(183, 60, 41)
HSL	hsl(8, 63%, 44%)
HSV	hsv(8, 78%, 72%)
CMYK	cmyk(0%, 67.2%, 77.6%, 28.2%)
CIE-LAB	lab(43.45, 48.62, 38.54)
CIE-LCH	lch(43.45, 62.04, 38.41°)
OKLab	oklab(53.11% 0.1383 0.0848)
OKLCH	oklch(53.11% 0.162 31.5)
XYZ	xyz(21.5470, 13.4623, 3.5613)
Luminance	0.1346 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73C29 #29A4B7

analogous

#B7295D #B73C29 #B78329

triadic

#B73C29 #29B73C #3C29B7

tetradic

#B73C29 #5DB729 #29A4B7 #8329B7

square

#B73C29 #5DB729 #29A4B7 #8329B7

split-complementary

#B73C29 #29B783 #295DB7

monochromatic

#531B13 #852C1E #B73C29 #D65A47 #E18779

Accessibility & contrast

On white

5.69

#B73C29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B73C29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73C29

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73C29	#FFFFFF	#000000	##FFFFFF
##B73C29	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5626

Deuteranopia (green-blind)

#7E7124

Tritanopia (blue-blind)

#C91638

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73c29;
/* rgb */ color: rgb(183, 60, 41);
/* oklch */ color: oklch(53.1% 0.162 31.5);

Tailwind

colors: {
  custom: {
    50: '#d57864',
    500: '#b73c29',
    950: '#000000',
  },
}

SCSS

$custom: #b73c29;
$custom-light: #d57864;
$custom-dark: #000000;

JSON

{
  "hex": "#b73c29",
  "rgb": {
    "r": 183,
    "g": 60,
    "b": 41
  },
  "hsl": {
    "h": 8.028,
    "s": 63.393,
    "l": 43.922
  },
  "oklch": {
    "l": 0.53108,
    "c": 0.16225,
    "h": 31.5
  },
  "luminance": 0.13459
}

Semantic roles & 50–950 ramp

primary

#B73C29

secondary

#73BDC9

accent

#D0E641

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B73C29

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

Preview Lab → · Contrast checker → · Palette generator →