#B72F2D#B72F2D

#B72F2D is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.173 H 26.3°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#B72F2D
RGB	rgb(183, 47, 45)
HSL	hsl(1, 61%, 45%)
HSV	hsv(1, 75%, 72%)
CMYK	cmyk(0%, 74.3%, 75.4%, 28.2%)
CIE-LAB	lab(41.68, 53.76, 34.38)
CIE-LCH	lch(41.68, 63.82, 32.60°)
OKLab	oklab(51.8% 0.1553 0.0768)
OKLCH	oklch(51.8% 0.173 26.3)
XYZ	xyz(21.0210, 12.2930, 3.7481)
Luminance	0.1229 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72F2D #2DB5B7

analogous

#B72D70 #B72F2D #B7742D

triadic

#B72F2D #2DB72F #2F2DB7

tetradic

#B72F2D #70B72D #2DB5B7 #742DB7

square

#B72F2D #70B72D #2DB5B7 #742DB7

split-complementary

#B72F2D #2DB774 #2D70B7

monochromatic

#551615 #862221 #B72F2D #D3504E #DF807F

Accessibility & contrast

On white

6.07

#B72F2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B72F2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72F2D

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72F2D	#FFFFFF	#000000	##FFFFFF
##B72F2D	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)

#584F2B

Deuteranopia (green-blind)

#796D28

Tritanopia (blue-blind)

#CA0030

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72f2d;
/* rgb */ color: rgb(183, 47, 45);
/* oklch */ color: oklch(51.8% 0.173 26.3);

Tailwind

colors: {
  custom: {
    50: '#d57266',
    500: '#b72f2d',
    950: '#000000',
  },
}

SCSS

$custom: #b72f2d;
$custom-light: #d57266;
$custom-dark: #000000;

JSON

{
  "hex": "#b72f2d",
  "rgb": {
    "r": 183,
    "g": 47,
    "b": 45
  },
  "hsl": {
    "h": 0.87,
    "s": 60.526,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51796,
    "c": 0.17325,
    "h": 26.3
  },
  "luminance": 0.1229
}

Semantic roles & 50–950 ramp

primary

#B72F2D

secondary

#78C7C8

accent

#E1E444

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B72F2D

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

Preview Lab → · Contrast checker → · Palette generator →