#B73C47#B73C47

#B73C47 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.6% C 0.158 H 19.2°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#B73C47
RGB	rgb(183, 60, 71)
HSL	hsl(355, 51%, 48%)
HSV	hsv(355, 67%, 72%)
CMYK	cmyk(0%, 67.2%, 61.2%, 28.2%)
CIE-LAB	lab(43.88, 50.20, 21.47)
CIE-LCH	lch(43.88, 54.60, 23.16°)
OKLab	oklab(53.57% 0.1493 0.0521)
OKLCH	oklch(53.57% 0.158 19.2)
XYZ	xyz(22.2838, 13.7570, 7.4420)
Luminance	0.1375 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73C47 #3CB7AC

analogous

#B73C85 #B73C47 #B76E3C

triadic

#B73C47 #47B73C #3C47B7

tetradic

#B73C47 #85B73C #3CB7AC #6E3CB7

square

#B73C47 #85B73C #3CB7AC #6E3CB7

split-complementary

#B73C47 #3CB76E #3C85B7

monochromatic

#5B1E23 #892D35 #B73C47 #CC646D #DB9299

Accessibility & contrast

On white

5.60

#B73C47 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#B73C47 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73C47

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73C47	#FFFFFF	#000000	##FFFFFF
##B73C47	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5747

Deuteranopia (green-blind)

#7B7144

Tritanopia (blue-blind)

#C82041

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b73c47;
/* rgb */ color: rgb(183, 60, 71);
/* oklch */ color: oklch(53.6% 0.158 19.2);

Tailwind

colors: {
  custom: {
    50: '#d3797a',
    500: '#b73c47',
    950: '#000000',
  },
}

SCSS

$custom: #b73c47;
$custom-light: #d3797a;
$custom-dark: #000000;

JSON

{
  "hex": "#b73c47",
  "rgb": {
    "r": 183,
    "g": 60,
    "b": 71
  },
  "hsl": {
    "h": 354.634,
    "s": 50.617,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53569,
    "c": 0.15816,
    "h": 19.2
  },
  "luminance": 0.13754
}

Semantic roles & 50–950 ramp

primary

#B73C47

secondary

#88C6C1

accent

#DACE4E

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A09

muted

#837C7B

Preview Lab

Preview with #B73C47

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

Preview Lab → · Contrast checker → · Palette generator →