#B72F4B#B72F4B

#B72F4B is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.3% C 0.172 H 13.9°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#B72F4B
RGB	rgb(183, 47, 75)
HSL	hsl(348, 59%, 45%)
HSV	hsv(348, 74%, 72%)
CMYK	cmyk(0%, 74.3%, 59%, 28.2%)
CIE-LAB	lab(42.17, 55.40, 16.74)
CIE-LCH	lch(42.17, 57.87, 16.81°)
OKLab	oklab(52.32% 0.1667 0.0413)
OKLCH	oklch(52.32% 0.172 13.9)
XYZ	xyz(21.8171, 12.6115, 7.9407)
Luminance	0.1261 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72F4B #2FB79B

analogous

#B72F8F #B72F4B #B7572F

triadic

#B72F4B #4BB72F #2F4BB7

tetradic

#B72F4B #8FB72F #2FB79B #572FB7

square

#B72F4B #8FB72F #2FB79B #572FB7

split-complementary

#B72F4B #2FB757 #2F8FB7

monochromatic

#561623 #862237 #B72F4B #D2516C #DF8295

Accessibility & contrast

On white

5.96

#B72F4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B72F4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72F4B

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72F4B	#FFFFFF	#000000	##FFFFFF
##B72F4B	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54524B

Deuteranopia (green-blind)

#766E47

Tritanopia (blue-blind)

#C8003B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b72f4b;
/* rgb */ color: rgb(183, 47, 75);
/* oklch */ color: oklch(52.3% 0.172 13.9);

Tailwind

colors: {
  custom: {
    50: '#d3737d',
    500: '#b72f4b',
    950: '#000000',
  },
}

SCSS

$custom: #b72f4b;
$custom-light: #d3737d;
$custom-dark: #000000;

JSON

{
  "hex": "#b72f4b",
  "rgb": {
    "r": 183,
    "g": 47,
    "b": 75
  },
  "hsl": {
    "h": 347.647,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52322,
    "c": 0.17174,
    "h": 13.9
  },
  "luminance": 0.12608
}

Semantic roles & 50–950 ramp

primary

#B72F4B

secondary

#7AC8B8

accent

#E2C245

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B72F4B

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

Preview Lab → · Contrast checker → · Palette generator →