#B73E2C#B73E2C

#B73E2C is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.4% C 0.160 H 31.2°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#B73E2C
RGB	rgb(183, 62, 44)
HSL	hsl(8, 61%, 45%)
HSV	hsv(8, 76%, 72%)
CMYK	cmyk(0%, 66.1%, 76%, 28.2%)
CIE-LAB	lab(43.80, 47.89, 37.26)
CIE-LCH	lch(43.80, 60.68, 37.89°)
OKLab	oklab(53.38% 0.1367 0.0828)
OKLCH	oklch(53.38% 0.16 31.2)
XYZ	xyz(21.7081, 13.6975, 3.8832)
Luminance	0.1369 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73E2C #2CA5B7

analogous

#B72C60 #B73E2C #B7842C

triadic

#B73E2C #2CB73E #3E2CB7

tetradic

#B73E2C #60B72C #2CA5B7 #842CB7

square

#B73E2C #60B72C #2CA5B7 #842CB7

split-complementary

#B73E2C #2CB784 #2C60B7

monochromatic

#541D14 #862D20 #B73E2C #D45E4C #E08A7E

Accessibility & contrast

On white

5.62

#B73E2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#B73E2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73E2C

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73E2C	#FFFFFF	#000000	##FFFFFF
##B73E2C	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605729

Deuteranopia (green-blind)

#7E7128

Tritanopia (blue-blind)

#C91C3B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73e2c;
/* rgb */ color: rgb(183, 62, 44);
/* oklch */ color: oklch(53.4% 0.160 31.2);

Tailwind

colors: {
  custom: {
    50: '#d57966',
    500: '#b73e2c',
    950: '#000000',
  },
}

SCSS

$custom: #b73e2c;
$custom-light: #d57966;
$custom-dark: #000000;

JSON

{
  "hex": "#b73e2c",
  "rgb": {
    "r": 183,
    "g": 62,
    "b": 44
  },
  "hsl": {
    "h": 7.77,
    "s": 61.233,
    "l": 44.51
  },
  "oklch": {
    "l": 0.53377,
    "c": 0.1598,
    "h": 31.2
  },
  "luminance": 0.13694
}

Semantic roles & 50–950 ramp

primary

#B73E2C

secondary

#76BEC8

accent

#D0E443

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #B73E2C

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

Preview Lab → · Contrast checker → · Palette generator →