#B72C28#B72C28

#B72C28 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.5% C 0.176 H 27.2°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B72C28
RGB	rgb(183, 44, 40)
HSL	hsl(2, 64%, 44%)
HSV	hsv(2, 78%, 72%)
CMYK	cmyk(0%, 76%, 78.1%, 28.2%)
CIE-LAB	lab(41.26, 54.59, 36.79)
CIE-LCH	lch(41.26, 65.83, 33.98°)
OKLab	oklab(51.46% 0.1568 0.0807)
OKLCH	oklch(51.46% 0.176 27.2)
XYZ	xyz(20.8146, 12.0251, 3.2322)
Luminance	0.1202 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72C28 #28B3B7

analogous

#B7286B #B72C28 #B77328

triadic

#B72C28 #28B72C #2C28B7

tetradic

#B72C28 #6BB728 #28B3B7 #7328B7

square

#B72C28 #6BB728 #28B3B7 #7328B7

split-complementary

#B72C28 #28B773 #286BB7

monochromatic

#531412 #85201D #B72C28 #D64A46 #E17B78

Accessibility & contrast

On white

6.17

#B72C28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B72C28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72C28

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72C28	#FFFFFF	#000000	##FFFFFF
##B72C28	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E26

Deuteranopia (green-blind)

#796C22

Tritanopia (blue-blind)

#CA002D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72c28;
/* rgb */ color: rgb(183, 44, 40);
/* oklch */ color: oklch(51.5% 0.176 27.2);

Tailwind

colors: {
  custom: {
    50: '#d67163',
    500: '#b72c28',
    950: '#000000',
  },
}

SCSS

$custom: #b72c28;
$custom-light: #d67163;
$custom-dark: #000000;

JSON

{
  "hex": "#b72c28",
  "rgb": {
    "r": 183,
    "g": 44,
    "b": 40
  },
  "hsl": {
    "h": 1.678,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51463,
    "c": 0.17637,
    "h": 27.2
  },
  "luminance": 0.12022
}

Semantic roles & 50–950 ramp

primary

#B72C28

secondary

#72C7C9

accent

#E2E741

background

#FEF7F5

surface

#FDEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B72C28

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

Preview Lab → · Contrast checker → · Palette generator →