#B72F34#B72F34

#B72F34 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.9% C 0.172 H 23.8°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#B72F34
RGB	rgb(183, 47, 52)
HSL	hsl(358, 59%, 45%)
HSV	hsv(358, 74%, 72%)
CMYK	cmyk(0%, 74.3%, 71.6%, 28.2%)
CIE-LAB	lab(41.77, 54.07, 30.36)
CIE-LCH	lch(41.77, 62.01, 29.32°)
OKLab	oklab(51.89% 0.1578 0.0696)
OKLCH	oklch(51.89% 0.172 23.8)
XYZ	xyz(21.1672, 12.3515, 4.5177)
Luminance	0.1235 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72F34 #2FB7B2

analogous

#B72F78 #B72F34 #B76E2F

triadic

#B72F34 #34B72F #2F34B7

tetradic

#B72F34 #78B72F #2FB7B2 #6E2FB7

square

#B72F34 #78B72F #2FB7B2 #6E2FB7

split-complementary

#B72F34 #2FB76E #2F78B7

monochromatic

#561618 #862226 #B72F34 #D25156 #DF8285

Accessibility & contrast

On white

6.05

#B72F34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B72F34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72F34

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72F34	#FFFFFF	#000000	##FFFFFF
##B72F34	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575033

Deuteranopia (green-blind)

#796D2F

Tritanopia (blue-blind)

#C90032

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b72f34;
/* rgb */ color: rgb(183, 47, 52);
/* oklch */ color: oklch(51.9% 0.172 23.8);

Tailwind

colors: {
  custom: {
    50: '#d5726b',
    500: '#b72f34',
    950: '#000000',
  },
}

SCSS

$custom: #b72f34;
$custom-light: #d5726b;
$custom-dark: #000000;

JSON

{
  "hex": "#b72f34",
  "rgb": {
    "r": 183,
    "g": 47,
    "b": 52
  },
  "hsl": {
    "h": 357.794,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51893,
    "c": 0.17243,
    "h": 23.8
  },
  "luminance": 0.12348
}

Semantic roles & 50–950 ramp

primary

#B72F34

secondary

#7AC8C5

accent

#E2DD45

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B72F34

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

Preview Lab → · Contrast checker → · Palette generator →