#B72D2D#B72D2D

#B72D2D is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.6% C 0.175 H 25.8°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#B72D2D
RGB	rgb(183, 45, 45)
HSL	hsl(0, 61%, 45%)
HSV	hsv(0, 75%, 72%)
CMYK	cmyk(0%, 75.4%, 75.4%, 28.2%)
CIE-LAB	lab(41.43, 54.44, 34.11)
CIE-LCH	lch(41.43, 64.25, 32.07°)
OKLab	oklab(51.61% 0.1574 0.0762)
OKLCH	oklch(51.61% 0.175 25.8)
XYZ	xyz(20.9429, 12.1368, 3.7220)
Luminance	0.1213 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72D2D #2DB7B7

analogous

#B72D72 #B72D2D #B7722D

triadic

#B72D2D #2DB72D #2D2DB7

tetradic

#B72D2D #72B72D #2DB7B7 #722DB7

square

#B72D2D #72B72D #2DB7B7 #722DB7

split-complementary

#B72D2D #2DB772 #2D72B7

monochromatic

#551515 #862121 #B72D2D #D34E4E #DF7F7F

Accessibility & contrast

On white

6.13

#B72D2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B72D2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72D2D

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72D2D	#FFFFFF	#000000	##FFFFFF
##B72D2D	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F2B

Deuteranopia (green-blind)

#796D28

Tritanopia (blue-blind)

#CA002F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72d2d;
/* rgb */ color: rgb(183, 45, 45);
/* oklch */ color: oklch(51.6% 0.175 25.8);

Tailwind

colors: {
  custom: {
    50: '#d57166',
    500: '#b72d2d',
    950: '#000000',
  },
}

SCSS

$custom: #b72d2d;
$custom-light: #d57166;
$custom-dark: #000000;

JSON

{
  "hex": "#b72d2d",
  "rgb": {
    "r": 183,
    "g": 45,
    "b": 45
  },
  "hsl": {
    "h": 0,
    "s": 60.526,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51613,
    "c": 0.17492,
    "h": 25.8
  },
  "luminance": 0.12134
}

Semantic roles & 50–950 ramp

primary

#B72D2D

secondary

#78C8C8

accent

#E4E444

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B72D2D

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

Preview Lab → · Contrast checker → · Palette generator →