#B73F4F#B73F4F

#B73F4F is a mid, vivid red. Relative luminance 0.142; OKLCH L 54.1% C 0.155 H 16.2°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#B73F4F
RGB	rgb(183, 63, 79)
HSL	hsl(352, 49%, 48%)
HSV	hsv(352, 66%, 72%)
CMYK	cmyk(0%, 65.6%, 56.8%, 28.2%)
CIE-LAB	lab(44.50, 49.51, 17.40)
CIE-LCH	lch(44.50, 52.48, 19.36°)
OKLab	oklab(54.08% 0.1485 0.0431)
OKLCH	oklch(54.08% 0.155 16.2)
XYZ	xyz(22.7193, 14.1898, 8.9382)
Luminance	0.1419 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73F4F #3FB7A7

analogous

#B73F8B #B73F4F #B76B3F

triadic

#B73F4F #4FB73F #3F4FB7

tetradic

#B73F4F #8BB73F #3FB7A7 #6B3FB7

square

#B73F4F #8BB73F #3FB7A7 #6B3FB7

split-complementary

#B73F4F #3FB76B #3F8BB7

monochromatic

#5C2028 #892F3B #B73F4F #CB6875 #DB969F

Accessibility & contrast

On white

5.47

#B73F4F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#B73F4F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73F4F

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73F4F	#FFFFFF	#000000	##FFFFFF
##B73F4F	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D594F

Deuteranopia (green-blind)

#7B724C

Tritanopia (blue-blind)

#C82745

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b73f4f;
/* rgb */ color: rgb(183, 63, 79);
/* oklch */ color: oklch(54.1% 0.155 16.2);

Tailwind

colors: {
  custom: {
    50: '#d37b80',
    500: '#b73f4f',
    950: '#000000',
  },
}

SCSS

$custom: #b73f4f;
$custom-light: #d37b80;
$custom-dark: #000000;

JSON

{
  "hex": "#b73f4f",
  "rgb": {
    "r": 183,
    "g": 63,
    "b": 79
  },
  "hsl": {
    "h": 352,
    "s": 48.78,
    "l": 48.235
  },
  "oklch": {
    "l": 0.54084,
    "c": 0.15465,
    "h": 16.2
  },
  "luminance": 0.14187
}

Semantic roles & 50–950 ramp

primary

#B73F4F

secondary

#8BC6BE

accent

#D8C64F

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150A0A

muted

#837C7C

Preview Lab

Preview with #B73F4F

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

Preview Lab → · Contrast checker → · Palette generator →