#B72B2D#B72B2D

#B72B2D is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.177 H 25.4°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#B72B2D
RGB	rgb(183, 43, 45)
HSL	hsl(359, 62%, 44%)
HSV	hsv(359, 77%, 72%)
CMYK	cmyk(0%, 76.5%, 75.4%, 28.2%)
CIE-LAB	lab(41.20, 55.10, 33.85)
CIE-LCH	lch(41.20, 64.67, 31.56°)
OKLab	oklab(51.44% 0.1595 0.0757)
OKLCH	oklch(51.44% 0.177 25.4)
XYZ	xyz(20.8684, 11.9878, 3.6972)
Luminance	0.1198 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72B2D #2BB7B5

analogous

#B72B73 #B72B2D #B76F2B

triadic

#B72B2D #2DB72B #2B2DB7

tetradic

#B72B2D #73B72B #2BB7B5 #6F2BB7

square

#B72B2D #73B72B #2BB7B5 #6F2BB7

split-complementary

#B72B2D #2BB76F #2B73B7

monochromatic

#541415 #851F21 #B72B2D #D54B4D #E07C7E

Accessibility & contrast

On white

6.18

#B72B2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B72B2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72B2D

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72B2D	#FFFFFF	#000000	##FFFFFF
##B72B2D	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E2B

Deuteranopia (green-blind)

#786C28

Tritanopia (blue-blind)

#CA002E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72b2d;
/* rgb */ color: rgb(183, 43, 45);
/* oklch */ color: oklch(51.4% 0.177 25.4);

Tailwind

colors: {
  custom: {
    50: '#d57066',
    500: '#b72b2d',
    950: '#000000',
  },
}

SCSS

$custom: #b72b2d;
$custom-light: #d57066;
$custom-dark: #000000;

JSON

{
  "hex": "#b72b2d",
  "rgb": {
    "r": 183,
    "g": 43,
    "b": 45
  },
  "hsl": {
    "h": 359.143,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51437,
    "c": 0.17656,
    "h": 25.4
  },
  "luminance": 0.11984
}

Semantic roles & 50–950 ramp

primary

#B72B2D

secondary

#75C9C7

accent

#E5E343

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B72B2D

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

Preview Lab → · Contrast checker → · Palette generator →