#B72E4B#B72E4B

#B72E4B is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.2% C 0.173 H 13.7°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#B72E4B
RGB	rgb(183, 46, 75)
HSL	hsl(347, 60%, 45%)
HSV	hsv(347, 75%, 72%)
CMYK	cmyk(0%, 74.9%, 59%, 28.2%)
CIE-LAB	lab(42.05, 55.74, 16.57)
CIE-LCH	lch(42.05, 58.15, 16.56°)
OKLab	oklab(52.23% 0.1678 0.041)
OKLCH	oklch(52.23% 0.173 13.7)
XYZ	xyz(21.7776, 12.5324, 7.9275)
Luminance	0.1253 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72E4B #2EB79A

analogous

#B72E90 #B72E4B #B7552E

triadic

#B72E4B #4BB72E #2E4BB7

tetradic

#B72E4B #90B72E #2EB79A #552EB7

square

#B72E4B #90B72E #2EB79A #552EB7

split-complementary

#B72E4B #2EB755 #2E90B7

monochromatic

#551523 #862237 #B72E4B #D34F6B #DF8094

Accessibility & contrast

On white

5.99

#B72E4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B72E4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72E4B

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72E4B	#FFFFFF	#000000	##FFFFFF
##B72E4B	1.00	5.99	3.51	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#53514B

Deuteranopia (green-blind)

#766D47

Tritanopia (blue-blind)

#C8003A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b72e4b;
/* rgb */ color: rgb(183, 46, 75);
/* oklch */ color: oklch(52.2% 0.173 13.7);

Tailwind

colors: {
  custom: {
    50: '#d3727d',
    500: '#b72e4b',
    950: '#000000',
  },
}

SCSS

$custom: #b72e4b;
$custom-light: #d3727d;
$custom-dark: #000000;

JSON

{
  "hex": "#b72e4b",
  "rgb": {
    "r": 183,
    "g": 46,
    "b": 75
  },
  "hsl": {
    "h": 347.299,
    "s": 59.825,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52231,
    "c": 0.17271,
    "h": 13.7
  },
  "luminance": 0.12529
}

Semantic roles & 50–950 ramp

primary

#B72E4B

secondary

#79C8B7

accent

#E3C245

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B72E4B

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

Preview Lab → · Contrast checker → · Palette generator →