#B73E35#B73E35

#B73E35 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.5% C 0.158 H 27.9°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#B73E35
RGB	rgb(183, 62, 53)
HSL	hsl(4, 55%, 46%)
HSV	hsv(4, 71%, 72%)
CMYK	cmyk(0%, 66.1%, 71%, 28.2%)
CIE-LAB	lab(43.91, 48.30, 32.28)
CIE-LCH	lch(43.91, 58.09, 33.75°)
OKLab	oklab(53.49% 0.1398 0.074)
OKLCH	oklch(53.49% 0.158 27.9)
XYZ	xyz(21.8960, 13.7727, 4.8729)
Luminance	0.1377 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73E35 #35AEB7

analogous

#B7356D #B73E35 #B77F35

triadic

#B73E35 #35B73E #3E35B7

tetradic

#B73E35 #6DB735 #35AEB7 #7F35B7

square

#B73E35 #6DB735 #35AEB7 #7F35B7

split-complementary

#B73E35 #35B77F #356DB7

monochromatic

#581E1A #882E27 #B73E35 #CF625A #DD8F89

Accessibility & contrast

On white

5.59

#B73E35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#B73E35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73E35

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73E35	#FFFFFF	#000000	##FFFFFF
##B73E35	1.00	5.59	3.75	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5733

Deuteranopia (green-blind)

#7E7231

Tritanopia (blue-blind)

#C91E3D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b73e35;
/* rgb */ color: rgb(183, 62, 53);
/* oklch */ color: oklch(53.5% 0.158 27.9);

Tailwind

colors: {
  custom: {
    50: '#d47a6c',
    500: '#b73e35',
    950: '#000000',
  },
}

SCSS

$custom: #b73e35;
$custom-light: #d47a6c;
$custom-dark: #000000;

JSON

{
  "hex": "#b73e35",
  "rgb": {
    "r": 183,
    "g": 62,
    "b": 53
  },
  "hsl": {
    "h": 4.154,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.53494,
    "c": 0.15813,
    "h": 27.9
  },
  "luminance": 0.1377
}

Semantic roles & 50–950 ramp

primary

#B73E35

secondary

#81C2C7

accent

#D4DE49

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A07

muted

#847C7A

Preview Lab

Preview with #B73E35

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

Preview Lab → · Contrast checker → · Palette generator →