#B72C36#B72C36

#B72C36 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.7% C 0.175 H 22.3°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#B72C36
RGB	rgb(183, 44, 54)
HSL	hsl(356, 61%, 45%)
HSV	hsv(356, 76%, 72%)
CMYK	cmyk(0%, 76%, 70.5%, 28.2%)
CIE-LAB	lab(41.43, 55.17, 28.76)
CIE-LCH	lch(41.43, 62.22, 27.53°)
OKLab	oklab(51.65% 0.1617 0.0664)
OKLCH	oklch(51.65% 0.175 22.3)
XYZ	xyz(21.0974, 12.1382, 4.7213)
Luminance	0.1213 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72C36 #2CB7AD

analogous

#B72C7C #B72C36 #B7672C

triadic

#B72C36 #36B72C #2C36B7

tetradic

#B72C36 #7CB72C #2CB7AD #672CB7

square

#B72C36 #7CB72C #2CB7AD #672CB7

split-complementary

#B72C36 #2CB767 #2C7CB7

monochromatic

#541419 #862027 #B72C36 #D44C56 #E07E85

Accessibility & contrast

On white

6.13

#B72C36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B72C36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72C36

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72C36	#FFFFFF	#000000	##FFFFFF
##B72C36	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554F35

Deuteranopia (green-blind)

#786C31

Tritanopia (blue-blind)

#C90031

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72c36;
/* rgb */ color: rgb(183, 44, 54);
/* oklch */ color: oklch(51.7% 0.175 22.3);

Tailwind

colors: {
  custom: {
    50: '#d5716d',
    500: '#b72c36',
    950: '#000000',
  },
}

SCSS

$custom: #b72c36;
$custom-light: #d5716d;
$custom-dark: #000000;

JSON

{
  "hex": "#b72c36",
  "rgb": {
    "r": 183,
    "g": 44,
    "b": 54
  },
  "hsl": {
    "h": 355.683,
    "s": 61.233,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51653,
    "c": 0.17483,
    "h": 22.3
  },
  "luminance": 0.12135
}

Semantic roles & 50–950 ramp

primary

#B72C36

secondary

#76C8C2

accent

#E4D943

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160807

muted

#847B7A

Preview Lab

Preview with #B72C36

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

Preview Lab → · Contrast checker → · Palette generator →