#B72D3B#B72D3B

#B72D3B is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.174 H 20.5°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#B72D3B
RGB	rgb(183, 45, 59)
HSL	hsl(354, 61%, 45%)
HSV	hsv(354, 75%, 72%)
CMYK	cmyk(0%, 75.4%, 67.8%, 28.2%)
CIE-LAB	lab(41.63, 55.10, 25.95)
CIE-LCH	lch(41.63, 60.90, 25.22°)
OKLab	oklab(51.82% 0.1626 0.0609)
OKLCH	oklch(51.82% 0.174 20.5)
XYZ	xyz(21.2586, 12.2630, 5.3845)
Luminance	0.1226 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72D3B #2DB7A9

analogous

#B72D80 #B72D3B #B7642D

triadic

#B72D3B #3BB72D #2D3BB7

tetradic

#B72D3B #80B72D #2DB7A9 #642DB7

square

#B72D3B #80B72D #2DB7A9 #642DB7

split-complementary

#B72D3B #2DB764 #2D80B7

monochromatic

#55151B #86212B #B72D3B #D34E5B #DF7F89

Accessibility & contrast

On white

6.08

#B72D3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B72D3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72D3B

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72D3B	#FFFFFF	#000000	##FFFFFF
##B72D3B	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)

#554F3A

Deuteranopia (green-blind)

#786D37

Tritanopia (blue-blind)

#C90033

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72d3b;
/* rgb */ color: rgb(183, 45, 59);
/* oklch */ color: oklch(51.8% 0.174 20.5);

Tailwind

colors: {
  custom: {
    50: '#d47270',
    500: '#b72d3b',
    950: '#000000',
  },
}

SCSS

$custom: #b72d3b;
$custom-light: #d47270;
$custom-dark: #000000;

JSON

{
  "hex": "#b72d3b",
  "rgb": {
    "r": 183,
    "g": 45,
    "b": 59
  },
  "hsl": {
    "h": 353.913,
    "s": 60.526,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51824,
    "c": 0.17363,
    "h": 20.5
  },
  "luminance": 0.1226
}

Semantic roles & 50–950 ramp

primary

#B72D3B

secondary

#78C8C0

accent

#E4D344

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B72D3B

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

Preview Lab → · Contrast checker → · Palette generator →