#B72C2B#B72C2B

#B72C2B is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.5% C 0.176 H 26.3°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#B72C2B
RGB	rgb(183, 44, 43)
HSL	hsl(0, 62%, 44%)
HSV	hsv(0, 77%, 72%)
CMYK	cmyk(0%, 76%, 76.5%, 28.2%)
CIE-LAB	lab(41.29, 54.70, 35.11)
CIE-LCH	lch(41.29, 65.00, 32.70°)
OKLab	oklab(51.5% 0.1578 0.0779)
OKLCH	oklch(51.5% 0.176 26.3)
XYZ	xyz(20.8676, 12.0463, 3.5114)
Luminance	0.1204 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72C2B #2BB6B7

analogous

#B72B70 #B72C2B #B7722B

triadic

#B72C2B #2BB72C #2C2BB7

tetradic

#B72C2B #70B72B #2BB6B7 #722BB7

square

#B72C2B #70B72B #2BB6B7 #722BB7

split-complementary

#B72C2B #2BB772 #2B70B7

monochromatic

#541414 #85201F #B72C2B #D54C4B #E07D7C

Accessibility & contrast

On white

6.16

#B72C2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B72C2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72C2B

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72C2B	#FFFFFF	#000000	##FFFFFF
##B72C2B	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E29

Deuteranopia (green-blind)

#796C25

Tritanopia (blue-blind)

#CA002E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72c2b;
/* rgb */ color: rgb(183, 44, 43);
/* oklch */ color: oklch(51.5% 0.176 26.3);

Tailwind

colors: {
  custom: {
    50: '#d67165',
    500: '#b72c2b',
    950: '#000000',
  },
}

SCSS

$custom: #b72c2b;
$custom-light: #d67165;
$custom-dark: #000000;

JSON

{
  "hex": "#b72c2b",
  "rgb": {
    "r": 183,
    "g": 44,
    "b": 43
  },
  "hsl": {
    "h": 0.429,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51499,
    "c": 0.17599,
    "h": 26.3
  },
  "luminance": 0.12043
}

Semantic roles & 50–950 ramp

primary

#B72C2B

secondary

#75C8C9

accent

#E4E543

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B72C2B

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

Preview Lab → · Contrast checker → · Palette generator →