#B72F2F#B72F2F

#B72F2F is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.173 H 25.6°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#B72F2F
RGB	rgb(183, 47, 47)
HSL	hsl(0, 59%, 45%)
HSV	hsv(0, 74%, 72%)
CMYK	cmyk(0%, 74.3%, 74.3%, 28.2%)
CIE-LAB	lab(41.70, 53.84, 33.25)
CIE-LCH	lch(41.70, 63.28, 31.70°)
OKLab	oklab(51.82% 0.156 0.0748)
OKLCH	oklch(51.82% 0.173 25.6)
XYZ	xyz(21.0605, 12.3088, 3.9557)
Luminance	0.1231 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72F2F #2FB7B7

analogous

#B72F73 #B72F2F #B7732F

triadic

#B72F2F #2FB72F #2F2FB7

tetradic

#B72F2F #73B72F #2FB7B7 #732FB7

square

#B72F2F #73B72F #2FB7B7 #732FB7

split-complementary

#B72F2F #2FB773 #2F73B7

monochromatic

#561616 #862222 #B72F2F #D25151 #DF8282

Accessibility & contrast

On white

6.07

#B72F2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B72F2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72F2F

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72F2F	#FFFFFF	#000000	##FFFFFF
##B72F2F	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57502D

Deuteranopia (green-blind)

#796D2A

Tritanopia (blue-blind)

#C90031

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72f2f;
/* rgb */ color: rgb(183, 47, 47);
/* oklch */ color: oklch(51.8% 0.173 25.6);

Tailwind

colors: {
  custom: {
    50: '#d57268',
    500: '#b72f2f',
    950: '#000000',
  },
}

SCSS

$custom: #b72f2f;
$custom-light: #d57268;
$custom-dark: #000000;

JSON

{
  "hex": "#b72f2f",
  "rgb": {
    "r": 183,
    "g": 47,
    "b": 47
  },
  "hsl": {
    "h": 0,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51822,
    "c": 0.173,
    "h": 25.6
  },
  "luminance": 0.12306
}

Semantic roles & 50–950 ramp

primary

#B72F2F

secondary

#7AC8C8

accent

#E2E245

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B72F2F

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

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