#B72F2A#B72F2A

#B72F2A is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.174 H 27.3°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#B72F2A
RGB	rgb(183, 47, 42)
HSL	hsl(2, 63%, 44%)
HSV	hsv(2, 77%, 72%)
CMYK	cmyk(0%, 74.3%, 77%, 28.2%)
CIE-LAB	lab(41.64, 53.64, 36.07)
CIE-LCH	lch(41.64, 64.64, 33.92°)
OKLab	oklab(51.76% 0.1543 0.0797)
OKLCH	oklch(51.76% 0.174 27.3)
XYZ	xyz(20.9653, 12.2707, 3.4546)
Luminance	0.1227 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72F2A #2AB2B7

analogous

#B72A6C #B72F2A #B7762A

triadic

#B72F2A #2AB72F #2F2AB7

tetradic

#B72F2A #6CB72A #2AB2B7 #762AB7

square

#B72F2A #6CB72A #2AB2B7 #762AB7

split-complementary

#B72F2A #2AB776 #2A6CB7

monochromatic

#531513 #85221F #B72F2A #D54E49 #E17E7B

Accessibility & contrast

On white

6.08

#B72F2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B72F2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72F2A

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72F2A	#FFFFFF	#000000	##FFFFFF
##B72F2A	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F28

Deuteranopia (green-blind)

#7A6D24

Tritanopia (blue-blind)

#CA002F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72f2a;
/* rgb */ color: rgb(183, 47, 42);
/* oklch */ color: oklch(51.8% 0.174 27.3);

Tailwind

colors: {
  custom: {
    50: '#d57264',
    500: '#b72f2a',
    950: '#000000',
  },
}

SCSS

$custom: #b72f2a;
$custom-light: #d57264;
$custom-dark: #000000;

JSON

{
  "hex": "#b72f2a",
  "rgb": {
    "r": 183,
    "g": 47,
    "b": 42
  },
  "hsl": {
    "h": 2.128,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51759,
    "c": 0.17365,
    "h": 27.3
  },
  "luminance": 0.12267
}

Semantic roles & 50–950 ramp

primary

#B72F2A

secondary

#74C6C9

accent

#E0E642

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B72F2A

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

Preview Lab → · Contrast checker → · Palette generator →