#B72A3C#B72A3C

#B72A3C is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.6% C 0.176 H 19.5°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#B72A3C
RGB	rgb(183, 42, 60)
HSL	hsl(352, 63%, 44%)
HSV	hsv(352, 77%, 72%)
CMYK	cmyk(0%, 77%, 67.2%, 28.2%)
CIE-LAB	lab(41.30, 56.12, 24.93)
CIE-LCH	lch(41.30, 61.41, 23.95°)
OKLab	oklab(51.58% 0.1661 0.0588)
OKLCH	oklch(51.58% 0.176 19.5)
XYZ	xyz(21.1743, 12.0527, 5.4856)
Luminance	0.1205 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72A3C #2AB7A5

analogous

#B72A83 #B72A3C #B75E2A

triadic

#B72A3C #3CB72A #2A3CB7

tetradic

#B72A3C #83B72A #2AB7A5 #5E2AB7

square

#B72A3C #83B72A #2AB7A5 #5E2AB7

split-complementary

#B72A3C #2AB75E #2A83B7

monochromatic

#53131B #851F2C #B72A3C #D5495B #E17B88

Accessibility & contrast

On white

6.16

#B72A3C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B72A3C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72A3C

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72A3C	#FFFFFF	#000000	##FFFFFF
##B72A3C	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534E3C

Deuteranopia (green-blind)

#776C38

Tritanopia (blue-blind)

#C90032

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72a3c;
/* rgb */ color: rgb(183, 42, 60);
/* oklch */ color: oklch(51.6% 0.176 19.5);

Tailwind

colors: {
  custom: {
    50: '#d57071',
    500: '#b72a3c',
    950: '#000000',
  },
}

SCSS

$custom: #b72a3c;
$custom-light: #d57071;
$custom-dark: #000000;

JSON

{
  "hex": "#b72a3c",
  "rgb": {
    "r": 183,
    "g": 42,
    "b": 60
  },
  "hsl": {
    "h": 352.34,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51583,
    "c": 0.17616,
    "h": 19.5
  },
  "luminance": 0.12049
}

Semantic roles & 50–950 ramp

primary

#B72A3C

secondary

#74C9BE

accent

#E6D142

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160807

muted

#847B7A

Preview Lab

Preview with #B72A3C

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

Preview Lab → · Contrast checker → · Palette generator →