#B72A35#B72A35

#B72A35 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.5% C 0.177 H 22.3°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#B72A35
RGB	rgb(183, 42, 53)
HSL	hsl(355, 63%, 44%)
HSV	hsv(355, 77%, 72%)
CMYK	cmyk(0%, 77%, 71%, 28.2%)
CIE-LAB	lab(41.19, 55.77, 29.07)
CIE-LCH	lch(41.19, 62.89, 27.53°)
OKLab	oklab(51.47% 0.1634 0.0669)
OKLCH	oklch(51.47% 0.177 22.3)
XYZ	xyz(21.0014, 11.9835, 4.5747)
Luminance	0.1198 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72A35 #2AB7AC

analogous

#B72A7C #B72A35 #B7662A

triadic

#B72A35 #35B72A #2A35B7

tetradic

#B72A35 #7CB72A #2AB7AC #662AB7

square

#B72A35 #7CB72A #2AB7AC #662AB7

split-complementary

#B72A35 #2AB766 #2A7CB7

monochromatic

#531318 #851F27 #B72A35 #D54954 #E17B83

Accessibility & contrast

On white

6.18

#B72A35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B72A35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72A35

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72A35	#FFFFFF	#000000	##FFFFFF
##B72A35	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544E34

Deuteranopia (green-blind)

#776C30

Tritanopia (blue-blind)

#C90030

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72a35;
/* rgb */ color: rgb(183, 42, 53);
/* oklch */ color: oklch(51.5% 0.177 22.3);

Tailwind

colors: {
  custom: {
    50: '#d5706c',
    500: '#b72a35',
    950: '#000000',
  },
}

SCSS

$custom: #b72a35;
$custom-light: #d5706c;
$custom-dark: #000000;

JSON

{
  "hex": "#b72a35",
  "rgb": {
    "r": 183,
    "g": 42,
    "b": 53
  },
  "hsl": {
    "h": 355.319,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51467,
    "c": 0.17658,
    "h": 22.3
  },
  "luminance": 0.1198
}

Semantic roles & 50–950 ramp

primary

#B72A35

secondary

#74C9C2

accent

#E6D942

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160807

muted

#847B7A

Preview Lab

Preview with #B72A35

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

Preview Lab → · Contrast checker → · Palette generator →