#B73E39#B73E39

#B73E39 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.6% C 0.157 H 26.2°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#B73E39
RGB	rgb(183, 62, 57)
HSL	hsl(2, 53%, 47%)
HSV	hsv(2, 69%, 72%)
CMYK	cmyk(0%, 66.1%, 68.9%, 28.2%)
CIE-LAB	lab(43.96, 48.51, 30.00)
CIE-LCH	lch(43.96, 57.03, 31.74°)
OKLab	oklab(53.55% 0.1412 0.0696)
OKLCH	oklch(53.55% 0.157 26.2)
XYZ	xyz(21.9919, 13.8111, 5.3779)
Luminance	0.1381 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73E39 #39B2B7

analogous

#B73973 #B73E39 #B77D39

triadic

#B73E39 #39B73E #3E39B7

tetradic

#B73E39 #73B739 #39B2B7 #7D39B7

square

#B73E39 #73B739 #39B2B7 #7D39B7

split-complementary

#B73E39 #39B77D #3973B7

monochromatic

#5A1E1C #882E2A #B73E39 #CD6460 #DC928E

Accessibility & contrast

On white

5.58

#B73E39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#B73E39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73E39

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73E39	#FFFFFF	#000000	##FFFFFF
##B73E39	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5738

Deuteranopia (green-blind)

#7D7235

Tritanopia (blue-blind)

#C91F3E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b73e39;
/* rgb */ color: rgb(183, 62, 57);
/* oklch */ color: oklch(53.6% 0.157 26.2);

Tailwind

colors: {
  custom: {
    50: '#d47a6f',
    500: '#b73e39',
    950: '#000000',
  },
}

SCSS

$custom: #b73e39;
$custom-light: #d47a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#b73e39",
  "rgb": {
    "r": 183,
    "g": 62,
    "b": 57
  },
  "hsl": {
    "h": 2.381,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53553,
    "c": 0.15748,
    "h": 26.2
  },
  "luminance": 0.13808
}

Semantic roles & 50–950 ramp

primary

#B73E39

secondary

#85C4C7

accent

#D6DC4C

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #B73E39

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

Preview Lab → · Contrast checker → · Palette generator →