#B72D3F#B72D3F

#B72D3F is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.9% C 0.173 H 18.9°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#B72D3F
RGB	rgb(183, 45, 63)
HSL	hsl(352, 61%, 45%)
HSV	hsv(352, 75%, 72%)
CMYK	cmyk(0%, 75.4%, 65.6%, 28.2%)
CIE-LAB	lab(41.70, 55.32, 23.58)
CIE-LCH	lch(41.70, 60.13, 23.08°)
OKLab	oklab(51.9% 0.1641 0.0561)
OKLCH	oklch(51.9% 0.173 18.9)
XYZ	xyz(21.3663, 12.3061, 5.9519)
Luminance	0.1230 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72D3F #2DB7A5

analogous

#B72D84 #B72D3F #B7602D

triadic

#B72D3F #3FB72D #2D3FB7

tetradic

#B72D3F #84B72D #2DB7A5 #602DB7

square

#B72D3F #84B72D #2DB7A5 #602DB7

split-complementary

#B72D3F #2DB760 #2D84B7

monochromatic

#55151D #86212E #B72D3F #D34E5F #DF7F8C

Accessibility & contrast

On white

6.07

#B72D3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B72D3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72D3F

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72D3F	#FFFFFF	#000000	##FFFFFF
##B72D3F	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54503F

Deuteranopia (green-blind)

#776D3B

Tritanopia (blue-blind)

#C90035

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72d3f;
/* rgb */ color: rgb(183, 45, 63);
/* oklch */ color: oklch(51.9% 0.173 18.9);

Tailwind

colors: {
  custom: {
    50: '#d47273',
    500: '#b72d3f',
    950: '#000000',
  },
}

SCSS

$custom: #b72d3f;
$custom-light: #d47273;
$custom-dark: #000000;

JSON

{
  "hex": "#b72d3f",
  "rgb": {
    "r": 183,
    "g": 45,
    "b": 63
  },
  "hsl": {
    "h": 352.174,
    "s": 60.526,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51896,
    "c": 0.17345,
    "h": 18.9
  },
  "luminance": 0.12303
}

Semantic roles & 50–950 ramp

primary

#B72D3F

secondary

#78C8BE

accent

#E4CF44

background

#FEF7F7

surface

#FCEDED

border

#D5C8C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #B72D3F

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

Preview Lab → · Contrast checker → · Palette generator →