#B72A38#B72A38

#B72A38 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.5% C 0.176 H 21.1°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B72A38
RGB	rgb(183, 42, 56)
HSL	hsl(354, 63%, 44%)
HSV	hsv(354, 77%, 72%)
CMYK	cmyk(0%, 77%, 69.4%, 28.2%)
CIE-LAB	lab(41.24, 55.92, 27.30)
CIE-LCH	lch(41.24, 62.23, 26.03°)
OKLab	oklab(51.52% 0.1645 0.0635)
OKLCH	oklch(51.52% 0.176 21.1)
XYZ	xyz(21.0726, 12.0120, 4.9496)
Luminance	0.1201 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72A38 #2AB7A9

analogous

#B72A7F #B72A38 #B7632A

triadic

#B72A38 #38B72A #2A38B7

tetradic

#B72A38 #7FB72A #2AB7A9 #632AB7

square

#B72A38 #7FB72A #2AB7A9 #632AB7

split-complementary

#B72A38 #2AB763 #2A7FB7

monochromatic

#53131A #851F29 #B72A38 #D54957 #E17B85

Accessibility & contrast

On white

6.17

#B72A38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B72A38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72A38

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72A38	#FFFFFF	#000000	##FFFFFF
##B72A38	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544E37

Deuteranopia (green-blind)

#776C33

Tritanopia (blue-blind)

#C90031

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72a38;
/* rgb */ color: rgb(183, 42, 56);
/* oklch */ color: oklch(51.5% 0.176 21.1);

Tailwind

colors: {
  custom: {
    50: '#d5706e',
    500: '#b72a38',
    950: '#000000',
  },
}

SCSS

$custom: #b72a38;
$custom-light: #d5706e;
$custom-dark: #000000;

JSON

{
  "hex": "#b72a38",
  "rgb": {
    "r": 183,
    "g": 42,
    "b": 56
  },
  "hsl": {
    "h": 354.043,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51515,
    "c": 0.17637,
    "h": 21.1
  },
  "luminance": 0.12009
}

Semantic roles & 50–950 ramp

primary

#B72A38

secondary

#74C9C0

accent

#E6D542

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160807

muted

#847B7A

Preview Lab

Preview with #B72A38

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

Preview Lab → · Contrast checker → · Palette generator →