#B72B36#B72B36

#B72B36 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.6% C 0.176 H 22.1°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#B72B36
RGB	rgb(183, 43, 54)
HSL	hsl(355, 62%, 44%)
HSV	hsv(355, 77%, 72%)
CMYK	cmyk(0%, 76.5%, 70.5%, 28.2%)
CIE-LAB	lab(41.32, 55.50, 28.62)
CIE-LCH	lch(41.32, 62.44, 27.28°)
OKLab	oklab(51.57% 0.1628 0.0661)
OKLCH	oklch(51.57% 0.176 22.1)
XYZ	xyz(21.0606, 12.0646, 4.7091)
Luminance	0.1206 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72B36 #2BB7AC

analogous

#B72B7C #B72B36 #B7662B

triadic

#B72B36 #36B72B #2B36B7

tetradic

#B72B36 #7CB72B #2BB7AC #662BB7

square

#B72B36 #7CB72B #2BB7AC #662BB7

split-complementary

#B72B36 #2BB766 #2B7CB7

monochromatic

#541419 #851F27 #B72B36 #D54B55 #E07C84

Accessibility & contrast

On white

6.15

#B72B36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B72B36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72B36

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72B36	#FFFFFF	#000000	##FFFFFF
##B72B36	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E35

Deuteranopia (green-blind)

#786C31

Tritanopia (blue-blind)

#C90031

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72b36;
/* rgb */ color: rgb(183, 43, 54);
/* oklch */ color: oklch(51.6% 0.176 22.1);

Tailwind

colors: {
  custom: {
    50: '#d5716d',
    500: '#b72b36',
    950: '#000000',
  },
}

SCSS

$custom: #b72b36;
$custom-light: #d5716d;
$custom-dark: #000000;

JSON

{
  "hex": "#b72b36",
  "rgb": {
    "r": 183,
    "g": 43,
    "b": 54
  },
  "hsl": {
    "h": 355.286,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51567,
    "c": 0.17568,
    "h": 22.1
  },
  "luminance": 0.12061
}

Semantic roles & 50–950 ramp

primary

#B72B36

secondary

#75C9C2

accent

#E5D843

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160807

muted

#847B7A

Preview Lab

Preview with #B72B36

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

Preview Lab → · Contrast checker → · Palette generator →