#B72F27#B72F27

#B72F27 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.7% C 0.174 H 28.3°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#B72F27
RGB	rgb(183, 47, 39)
HSL	hsl(3, 65%, 44%)
HSV	hsv(3, 79%, 72%)
CMYK	cmyk(0%, 74.3%, 78.7%, 28.2%)
CIE-LAB	lab(41.61, 53.53, 37.72)
CIE-LCH	lch(41.61, 65.49, 35.17°)
OKLab	oklab(51.72% 0.1533 0.0824)
OKLCH	oklch(51.72% 0.174 28.3)
XYZ	xyz(20.9136, 12.2501, 3.1824)
Luminance	0.1225 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72F27 #27AFB7

analogous

#B72767 #B72F27 #B77727

triadic

#B72F27 #27B72F #2F27B7

tetradic

#B72F27 #67B727 #27AFB7 #7727B7

square

#B72F27 #67B727 #27AFB7 #7727B7

split-complementary

#B72F27 #27B777 #2767B7

monochromatic

#521511 #85221C #B72F27 #D74C44 #E27C76

Accessibility & contrast

On white

6.09

#B72F27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B72F27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72F27

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72F27	#FFFFFF	#000000	##FFFFFF
##B72F27	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)

#584F25

Deuteranopia (green-blind)

#7A6D21

Tritanopia (blue-blind)

#CA002F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72f27;
/* rgb */ color: rgb(183, 47, 39);
/* oklch */ color: oklch(51.7% 0.174 28.3);

Tailwind

colors: {
  custom: {
    50: '#d67262',
    500: '#b72f27',
    950: '#000000',
  },
}

SCSS

$custom: #b72f27;
$custom-light: #d67262;
$custom-dark: #000000;

JSON

{
  "hex": "#b72f27",
  "rgb": {
    "r": 183,
    "g": 47,
    "b": 39
  },
  "hsl": {
    "h": 3.333,
    "s": 64.865,
    "l": 43.529
  },
  "oklch": {
    "l": 0.51724,
    "c": 0.17407,
    "h": 28.3
  },
  "luminance": 0.12247
}

Semantic roles & 50–950 ramp

primary

#B72F27

secondary

#70C4C9

accent

#DFE840

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B72F27

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

Preview Lab → · Contrast checker → · Palette generator →