#B72F38#B72F38

#B72F38 is a mid, vivid red. Relative luminance 0.124; OKLCH L 52.0% C 0.172 H 22.2°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#B72F38
RGB	rgb(183, 47, 56)
HSL	hsl(356, 59%, 45%)
HSV	hsv(356, 74%, 72%)
CMYK	cmyk(0%, 74.3%, 69.4%, 28.2%)
CIE-LAB	lab(41.83, 54.26, 28.02)
CIE-LCH	lch(41.83, 61.07, 27.32°)
OKLab	oklab(51.96% 0.1593 0.0651)
OKLCH	oklch(51.96% 0.172 22.2)
XYZ	xyz(21.2611, 12.3891, 5.0124)
Luminance	0.1239 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72F38 #2FB7AE

analogous

#B72F7C #B72F38 #B76A2F

triadic

#B72F38 #38B72F #2F38B7

tetradic

#B72F38 #7CB72F #2FB7AE #6A2FB7

square

#B72F38 #7CB72F #2FB7AE #6A2FB7

split-complementary

#B72F38 #2FB76A #2F7CB7

monochromatic

#56161A #862229 #B72F38 #D25159 #DF8288

Accessibility & contrast

On white

6.04

#B72F38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B72F38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72F38

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72F38	#FFFFFF	#000000	##FFFFFF
##B72F38	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565037

Deuteranopia (green-blind)

#786D34

Tritanopia (blue-blind)

#C90034

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b72f38;
/* rgb */ color: rgb(183, 47, 56);
/* oklch */ color: oklch(52.0% 0.172 22.2);

Tailwind

colors: {
  custom: {
    50: '#d5726e',
    500: '#b72f38',
    950: '#000000',
  },
}

SCSS

$custom: #b72f38;
$custom-light: #d5726e;
$custom-dark: #000000;

JSON

{
  "hex": "#b72f38",
  "rgb": {
    "r": 183,
    "g": 47,
    "b": 56
  },
  "hsl": {
    "h": 356.029,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51955,
    "c": 0.17205,
    "h": 22.2
  },
  "luminance": 0.12386
}

Semantic roles & 50–950 ramp

primary

#B72F38

secondary

#7AC8C3

accent

#E2D845

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B72F38

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

Preview Lab → · Contrast checker → · Palette generator →