#B73E38#B73E38

#B73E38 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.5% C 0.158 H 26.7°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#B73E38
RGB	rgb(183, 62, 56)
HSL	hsl(3, 53%, 47%)
HSV	hsv(3, 69%, 72%)
CMYK	cmyk(0%, 66.1%, 69.4%, 28.2%)
CIE-LAB	lab(43.95, 48.45, 30.57)
CIE-LCH	lch(43.95, 57.29, 32.25°)
OKLab	oklab(53.54% 0.1409 0.0707)
OKLCH	oklch(53.54% 0.158 26.7)
XYZ	xyz(21.9672, 13.8012, 5.2478)
Luminance	0.1380 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73E38 #38B1B7

analogous

#B73871 #B73E38 #B77E38

triadic

#B73E38 #38B73E #3E38B7

tetradic

#B73E38 #71B738 #38B1B7 #7E38B7

square

#B73E38 #71B738 #38B1B7 #7E38B7

split-complementary

#B73E38 #38B77E #3871B7

monochromatic

#591E1B #882E2A #B73E38 #CE645E #DC918D

Accessibility & contrast

On white

5.59

#B73E38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#B73E38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73E38

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73E38	#FFFFFF	#000000	##FFFFFF
##B73E38	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5736

Deuteranopia (green-blind)

#7D7234

Tritanopia (blue-blind)

#C91F3E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b73e38;
/* rgb */ color: rgb(183, 62, 56);
/* oklch */ color: oklch(53.5% 0.158 26.7);

Tailwind

colors: {
  custom: {
    50: '#d47a6f',
    500: '#b73e38',
    950: '#000000',
  },
}

SCSS

$custom: #b73e38;
$custom-light: #d47a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#b73e38",
  "rgb": {
    "r": 183,
    "g": 62,
    "b": 56
  },
  "hsl": {
    "h": 2.835,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53538,
    "c": 0.15763,
    "h": 26.7
  },
  "luminance": 0.13798
}

Semantic roles & 50–950 ramp

primary

#B73E38

secondary

#84C4C7

accent

#D6DD4B

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #B73E38

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

Preview Lab → · Contrast checker → · Palette generator →