#B72F2B#B72F2B

#B72F2B is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.174 H 27.0°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#B72F2B
RGB	rgb(183, 47, 43)
HSL	hsl(2, 62%, 44%)
HSV	hsv(2, 77%, 72%)
CMYK	cmyk(0%, 74.3%, 76.5%, 28.2%)
CIE-LAB	lab(41.65, 53.68, 35.51)
CIE-LCH	lch(41.65, 64.36, 33.49°)
OKLab	oklab(51.77% 0.1546 0.0788)
OKLCH	oklch(51.77% 0.174 27)
XYZ	xyz(20.9835, 12.2780, 3.5500)
Luminance	0.1227 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72F2B #2BB3B7

analogous

#B72B6D #B72F2B #B7752B

triadic

#B72F2B #2BB72F #2F2BB7

tetradic

#B72F2B #6DB72B #2BB3B7 #752BB7

square

#B72F2B #6DB72B #2BB3B7 #752BB7

split-complementary

#B72F2B #2BB775 #2B6DB7

monochromatic

#541614 #85221F #B72F2B #D54F4B #E07F7C

Accessibility & contrast

On white

6.08

#B72F2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B72F2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72F2B

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72F2B	#FFFFFF	#000000	##FFFFFF
##B72F2B	1.00	6.08	3.46	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F29

Deuteranopia (green-blind)

#796D26

Tritanopia (blue-blind)

#CA0030

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72f2b;
/* rgb */ color: rgb(183, 47, 43);
/* oklch */ color: oklch(51.8% 0.174 27.0);

Tailwind

colors: {
  custom: {
    50: '#d57265',
    500: '#b72f2b',
    950: '#000000',
  },
}

SCSS

$custom: #b72f2b;
$custom-light: #d57265;
$custom-dark: #000000;

JSON

{
  "hex": "#b72f2b",
  "rgb": {
    "r": 183,
    "g": 47,
    "b": 43
  },
  "hsl": {
    "h": 1.714,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51771,
    "c": 0.17351,
    "h": 27
  },
  "luminance": 0.12275
}

Semantic roles & 50–950 ramp

primary

#B72F2B

secondary

#75C6C9

accent

#E0E543

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B72F2B

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

Preview Lab → · Contrast checker → · Palette generator →