#B72C30#B72C30

#B72C30 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.6% C 0.175 H 24.6°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#B72C30
RGB	rgb(183, 44, 48)
HSL	hsl(358, 61%, 45%)
HSV	hsv(358, 76%, 72%)
CMYK	cmyk(0%, 76%, 73.8%, 28.2%)
CIE-LAB	lab(41.35, 54.90, 32.26)
CIE-LCH	lch(41.35, 63.68, 30.44°)
OKLab	oklab(51.56% 0.1595 0.0729)
OKLCH	oklch(51.56% 0.175 24.6)
XYZ	xyz(20.9650, 12.0853, 4.0245)
Luminance	0.1208 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72C30 #2CB7B3

analogous

#B72C76 #B72C30 #B76D2C

triadic

#B72C30 #30B72C #2C30B7

tetradic

#B72C30 #76B72C #2CB7B3 #6D2CB7

square

#B72C30 #76B72C #2CB7B3 #6D2CB7

split-complementary

#B72C30 #2CB76D #2C76B7

monochromatic

#541416 #862023 #B72C30 #D44C50 #E07E80

Accessibility & contrast

On white

6.15

#B72C30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#B72C30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72C30

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72C30	#FFFFFF	#000000	##FFFFFF
##B72C30	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E2F

Deuteranopia (green-blind)

#786C2B

Tritanopia (blue-blind)

#C9002F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72c30;
/* rgb */ color: rgb(183, 44, 48);
/* oklch */ color: oklch(51.6% 0.175 24.6);

Tailwind

colors: {
  custom: {
    50: '#d57168',
    500: '#b72c30',
    950: '#000000',
  },
}

SCSS

$custom: #b72c30;
$custom-light: #d57168;
$custom-dark: #000000;

JSON

{
  "hex": "#b72c30",
  "rgb": {
    "r": 183,
    "g": 44,
    "b": 48
  },
  "hsl": {
    "h": 358.273,
    "s": 61.233,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51564,
    "c": 0.17541,
    "h": 24.6
  },
  "luminance": 0.12082
}

Semantic roles & 50–950 ramp

primary

#B72C30

secondary

#76C8C6

accent

#E4E043

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B72C30

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

Preview Lab → · Contrast checker → · Palette generator →