#B73F41#B73F41

#B73F41 is a mid, vivid red. Relative luminance 0.140; OKLCH L 53.8% C 0.155 H 23.1°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#B73F41
RGB	rgb(183, 63, 65)
HSL	hsl(359, 49%, 48%)
HSV	hsv(359, 66%, 72%)
CMYK	cmyk(0%, 65.6%, 64.5%, 28.2%)
CIE-LAB	lab(44.24, 48.54, 25.58)
CIE-LCH	lch(44.24, 54.87, 27.78°)
OKLab	oklab(53.81% 0.143 0.0609)
OKLCH	oklch(53.81% 0.155 23.1)
XYZ	xyz(22.2623, 14.0070, 6.5314)
Luminance	0.1400 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73F41 #3FB7B5

analogous

#B73F7D #B73F41 #B7793F

triadic

#B73F41 #41B73F #3F41B7

tetradic

#B73F41 #7DB73F #3FB7B5 #793FB7

square

#B73F41 #7DB73F #3FB7B5 #793FB7

split-complementary

#B73F41 #3FB779 #3F7DB7

monochromatic

#5C2021 #892F31 #B73F41 #CB686A #DB9697

Accessibility & contrast

On white

5.53

#B73F41 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#B73F41 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73F41

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73F41	#FFFFFF	#000000	##FFFFFF
##B73F41	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5840

Deuteranopia (green-blind)

#7D723E

Tritanopia (blue-blind)

#C92341

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b73f41;
/* rgb */ color: rgb(183, 63, 65);
/* oklch */ color: oklch(53.8% 0.155 23.1);

Tailwind

colors: {
  custom: {
    50: '#d37a75',
    500: '#b73f41',
    950: '#000000',
  },
}

SCSS

$custom: #b73f41;
$custom-light: #d37a75;
$custom-dark: #000000;

JSON

{
  "hex": "#b73f41",
  "rgb": {
    "r": 183,
    "g": 63,
    "b": 65
  },
  "hsl": {
    "h": 359,
    "s": 48.78,
    "l": 48.235
  },
  "oklch": {
    "l": 0.53805,
    "c": 0.15537,
    "h": 23.1
  },
  "luminance": 0.14004
}

Semantic roles & 50–950 ramp

primary

#B73F41

secondary

#8BC6C5

accent

#D8D64F

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B73F41

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

Preview Lab → · Contrast checker → · Palette generator →