#B72F3F#B72F3F

#B72F3F is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.1% C 0.172 H 19.3°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#B72F3F
RGB	rgb(183, 47, 63)
HSL	hsl(353, 59%, 45%)
HSV	hsv(353, 74%, 72%)
CMYK	cmyk(0%, 74.3%, 65.6%, 28.2%)
CIE-LAB	lab(41.94, 54.64, 23.89)
CIE-LCH	lch(41.94, 59.63, 23.61°)
OKLab	oklab(52.08% 0.162 0.0568)
OKLCH	oklch(52.08% 0.172 19.3)
XYZ	xyz(21.4444, 12.4624, 5.9780)
Luminance	0.1246 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72F3F #2FB7A7

analogous

#B72F83 #B72F3F #B7632F

triadic

#B72F3F #3FB72F #2F3FB7

tetradic

#B72F3F #83B72F #2FB7A7 #632FB7

square

#B72F3F #83B72F #2FB7A7 #632FB7

split-complementary

#B72F3F #2FB763 #2F83B7

monochromatic

#56161D #86222E #B72F3F #D25160 #DF828D

Accessibility & contrast

On white

6.01

#B72F3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B72F3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72F3F

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72F3F	#FFFFFF	#000000	##FFFFFF
##B72F3F	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55513F

Deuteranopia (green-blind)

#786D3B

Tritanopia (blue-blind)

#C90036

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b72f3f;
/* rgb */ color: rgb(183, 47, 63);
/* oklch */ color: oklch(52.1% 0.172 19.3);

Tailwind

colors: {
  custom: {
    50: '#d47274',
    500: '#b72f3f',
    950: '#000000',
  },
}

SCSS

$custom: #b72f3f;
$custom-light: #d47274;
$custom-dark: #000000;

JSON

{
  "hex": "#b72f3f",
  "rgb": {
    "r": 183,
    "g": 47,
    "b": 63
  },
  "hsl": {
    "h": 352.941,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52076,
    "c": 0.17163,
    "h": 19.3
  },
  "luminance": 0.12459
}

Semantic roles & 50–950 ramp

primary

#B72F3F

secondary

#7AC8BF

accent

#E2D045

background

#FEF7F7

surface

#FCEDED

border

#D5C8C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #B72F3F

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

Preview Lab → · Contrast checker → · Palette generator →