#B72F24#B72F24

#B72F24 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.7% C 0.174 H 29.2°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#B72F24
RGB	rgb(183, 47, 36)
HSL	hsl(4, 67%, 43%)
HSV	hsv(4, 80%, 72%)
CMYK	cmyk(0%, 74.3%, 80.3%, 28.2%)
CIE-LAB	lab(41.58, 53.43, 39.34)
CIE-LCH	lch(41.58, 66.35, 36.36°)
OKLab	oklab(51.69% 0.1524 0.085)
OKLCH	oklch(51.69% 0.175 29.2)
XYZ	xyz(20.8659, 12.2310, 2.9309)
Luminance	0.1223 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72F24 #24ACB7

analogous

#B72462 #B72F24 #B77824

triadic

#B72F24 #24B72F #2F24B7

tetradic

#B72F24 #62B724 #24ACB7 #7824B7

square

#B72F24 #62B724 #24ACB7 #7824B7

split-complementary

#B72F24 #24B778 #2462B7

monochromatic

#511510 #84221A #B72F24 #D94B3F #E37B72

Accessibility & contrast

On white

6.09

#B72F24 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B72F24 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72F24

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72F24	#FFFFFF	#000000	##FFFFFF
##B72F24	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)

#584F21

Deuteranopia (green-blind)

#7A6D1E

Tritanopia (blue-blind)

#CA002E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72f24;
/* rgb */ color: rgb(183, 47, 36);
/* oklch */ color: oklch(51.7% 0.174 29.2);

Tailwind

colors: {
  custom: {
    50: '#d67260',
    500: '#b72f24',
    950: '#000000',
  },
}

SCSS

$custom: #b72f24;
$custom-light: #d67260;
$custom-dark: #000000;

JSON

{
  "hex": "#b72f24",
  "rgb": {
    "r": 183,
    "g": 47,
    "b": 36
  },
  "hsl": {
    "h": 4.49,
    "s": 67.123,
    "l": 42.941
  },
  "oklch": {
    "l": 0.51692,
    "c": 0.1745,
    "h": 29.2
  },
  "luminance": 0.12228
}

Semantic roles & 50–950 ramp

primary

#B72F24

secondary

#6DC3CA

accent

#DDEA3E

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B72F24

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

Preview Lab → · Contrast checker → · Palette generator →