#B73E3C#B73E3C

#B73E3C is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.6% C 0.157 H 25.0°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#B73E3C
RGB	rgb(183, 62, 60)
HSL	hsl(1, 51%, 48%)
HSV	hsv(1, 67%, 72%)
CMYK	cmyk(0%, 66.1%, 67.2%, 28.2%)
CIE-LAB	lab(44.01, 48.67, 28.28)
CIE-LCH	lch(44.01, 56.29, 30.15°)
OKLab	oklab(53.6% 0.1424 0.0663)
OKLCH	oklch(53.6% 0.157 25)
XYZ	xyz(22.0689, 13.8419, 5.7838)
Luminance	0.1384 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73E3C #3CB5B7

analogous

#B73C77 #B73E3C #B77C3C

triadic

#B73E3C #3CB73E #3E3CB7

tetradic

#B73E3C #77B73C #3CB5B7 #7C3CB7

square

#B73E3C #77B73C #3CB5B7 #7C3CB7

split-complementary

#B73E3C #3CB77C #3C77B7

monochromatic

#5B1F1E #892E2D #B73E3C #CC6664 #DB9392

Accessibility & contrast

On white

5.57

#B73E3C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#B73E3C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73E3C

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73E3C	#FFFFFF	#000000	##FFFFFF
##B73E3C	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F583B

Deuteranopia (green-blind)

#7D7239

Tritanopia (blue-blind)

#C9203F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b73e3c;
/* rgb */ color: rgb(183, 62, 60);
/* oklch */ color: oklch(53.6% 0.157 25.0);

Tailwind

colors: {
  custom: {
    50: '#d47a72',
    500: '#b73e3c',
    950: '#000000',
  },
}

SCSS

$custom: #b73e3c;
$custom-light: #d47a72;
$custom-dark: #000000;

JSON

{
  "hex": "#b73e3c",
  "rgb": {
    "r": 183,
    "g": 62,
    "b": 60
  },
  "hsl": {
    "h": 0.976,
    "s": 50.617,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53601,
    "c": 0.15704,
    "h": 25
  },
  "luminance": 0.13839
}

Semantic roles & 50–950 ramp

primary

#B73E3C

secondary

#88C5C6

accent

#D8DA4E

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A08

muted

#847C7B

Preview Lab

Preview with #B73E3C

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

Preview Lab → · Contrast checker → · Palette generator →