#B72F28#B72F28

#B72F28 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.174 H 28.0°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#B72F28
RGB	rgb(183, 47, 40)
HSL	hsl(3, 64%, 44%)
HSV	hsv(3, 78%, 72%)
CMYK	cmyk(0%, 74.3%, 78.1%, 28.2%)
CIE-LAB	lab(41.62, 53.57, 37.18)
CIE-LCH	lch(41.62, 65.20, 34.76°)
OKLab	oklab(51.74% 0.1536 0.0815)
OKLCH	oklch(51.74% 0.174 28)
XYZ	xyz(20.9304, 12.2568, 3.2708)
Luminance	0.1225 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72F28 #28B0B7

analogous

#B72868 #B72F28 #B77628

triadic

#B72F28 #28B72F #2F28B7

tetradic

#B72F28 #68B728 #28B0B7 #7628B7

square

#B72F28 #68B728 #28B0B7 #7628B7

split-complementary

#B72F28 #28B776 #2868B7

monochromatic

#531512 #85221D #B72F28 #D64D46 #E17D78

Accessibility & contrast

On white

6.09

#B72F28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B72F28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72F28

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72F28	#FFFFFF	#000000	##FFFFFF
##B72F28	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F26

Deuteranopia (green-blind)

#7A6D22

Tritanopia (blue-blind)

#CA002F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72f28;
/* rgb */ color: rgb(183, 47, 40);
/* oklch */ color: oklch(51.7% 0.174 28.0);

Tailwind

colors: {
  custom: {
    50: '#d67263',
    500: '#b72f28',
    950: '#000000',
  },
}

SCSS

$custom: #b72f28;
$custom-light: #d67263;
$custom-dark: #000000;

JSON

{
  "hex": "#b72f28",
  "rgb": {
    "r": 183,
    "g": 47,
    "b": 40
  },
  "hsl": {
    "h": 2.937,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51735,
    "c": 0.17392,
    "h": 28
  },
  "luminance": 0.12254
}

Semantic roles & 50–950 ramp

primary

#B72F28

secondary

#72C5C9

accent

#DFE741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B72F28

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

Preview Lab → · Contrast checker → · Palette generator →