#B73D39#B73D39

#B73D39 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.4% C 0.158 H 25.9°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#B73D39
RGB	rgb(183, 61, 57)
HSL	hsl(2, 53%, 47%)
HSV	hsv(2, 69%, 72%)
CMYK	cmyk(0%, 66.7%, 68.9%, 28.2%)
CIE-LAB	lab(43.80, 48.93, 29.81)
CIE-LCH	lch(43.80, 57.30, 31.35°)
OKLab	oklab(53.44% 0.1426 0.0692)
OKLCH	oklch(53.44% 0.158 25.9)
XYZ	xyz(21.9380, 13.7033, 5.3599)
Luminance	0.1370 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73D39 #39B3B7

analogous

#B73974 #B73D39 #B77C39

triadic

#B73D39 #39B73D #3D39B7

tetradic

#B73D39 #74B739 #39B3B7 #7C39B7

square

#B73D39 #74B739 #39B3B7 #7C39B7

split-complementary

#B73D39 #39B77C #3974B7

monochromatic

#5A1E1C #882D2A #B73D39 #CD6360 #DC918E

Accessibility & contrast

On white

5.61

#B73D39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#B73D39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73D39

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73D39	#FFFFFF	#000000	##FFFFFF
##B73D39	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5738

Deuteranopia (green-blind)

#7D7135

Tritanopia (blue-blind)

#C91D3D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73d39;
/* rgb */ color: rgb(183, 61, 57);
/* oklch */ color: oklch(53.4% 0.158 25.9);

Tailwind

colors: {
  custom: {
    50: '#d4796f',
    500: '#b73d39',
    950: '#000000',
  },
}

SCSS

$custom: #b73d39;
$custom-light: #d4796f;
$custom-dark: #000000;

JSON

{
  "hex": "#b73d39",
  "rgb": {
    "r": 183,
    "g": 61,
    "b": 57
  },
  "hsl": {
    "h": 1.905,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53436,
    "c": 0.15849,
    "h": 25.9
  },
  "luminance": 0.137
}

Semantic roles & 50–950 ramp

primary

#B73D39

secondary

#85C5C7

accent

#D7DC4C

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #B73D39

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

Preview Lab → · Contrast checker → · Palette generator →