#B72D39#B72D39

#B72D39 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.8% C 0.174 H 21.4°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#B72D39
RGB	rgb(183, 45, 57)
HSL	hsl(355, 61%, 45%)
HSV	hsv(355, 75%, 72%)
CMYK	cmyk(0%, 75.4%, 68.9%, 28.2%)
CIE-LAB	lab(41.60, 54.99, 27.14)
CIE-LCH	lch(41.60, 61.32, 26.27°)
OKLab	oklab(51.79% 0.1618 0.0633)
OKLCH	oklch(51.79% 0.174 21.4)
XYZ	xyz(21.2077, 12.2427, 5.1165)
Luminance	0.1224 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72D39 #2DB7AB

analogous

#B72D7E #B72D39 #B7662D

triadic

#B72D39 #39B72D #2D39B7

tetradic

#B72D39 #7EB72D #2DB7AB #662DB7

square

#B72D39 #7EB72D #2DB7AB #662DB7

split-complementary

#B72D39 #2DB766 #2D7EB7

monochromatic

#55151A #86212A #B72D39 #D34E59 #DF7F87

Accessibility & contrast

On white

6.09

#B72D39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B72D39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72D39

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72D39	#FFFFFF	#000000	##FFFFFF
##B72D39	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)

#554F38

Deuteranopia (green-blind)

#786D35

Tritanopia (blue-blind)

#C90033

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72d39;
/* rgb */ color: rgb(183, 45, 57);
/* oklch */ color: oklch(51.8% 0.174 21.4);

Tailwind

colors: {
  custom: {
    50: '#d5716f',
    500: '#b72d39',
    950: '#000000',
  },
}

SCSS

$custom: #b72d39;
$custom-light: #d5716f;
$custom-dark: #000000;

JSON

{
  "hex": "#b72d39",
  "rgb": {
    "r": 183,
    "g": 45,
    "b": 57
  },
  "hsl": {
    "h": 354.783,
    "s": 60.526,
    "l": 44.706
  },
  "oklch": {
    "l": 0.5179,
    "c": 0.17375,
    "h": 21.4
  },
  "luminance": 0.12239
}

Semantic roles & 50–950 ramp

primary

#B72D39

secondary

#78C8C1

accent

#E4D644

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160807

muted

#847B7A

Preview Lab

Preview with #B72D39

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

Preview Lab → · Contrast checker → · Palette generator →