#B72B3E#B72B3E

#B72B3E is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.7% C 0.175 H 18.9°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#B72B3E
RGB	rgb(183, 43, 62)
HSL	hsl(352, 62%, 44%)
HSV	hsv(352, 77%, 72%)
CMYK	cmyk(0%, 76.5%, 66.1%, 28.2%)
CIE-LAB	lab(41.45, 55.92, 23.88)
CIE-LCH	lch(41.45, 60.80, 23.12°)
OKLab	oklab(51.7% 0.1658 0.0567)
OKLCH	oklch(51.7% 0.175 18.9)
XYZ	xyz(21.2641, 12.1461, 5.7812)
Luminance	0.1214 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72B3E #2BB7A4

analogous

#B72B84 #B72B3E #B75E2B

triadic

#B72B3E #3EB72B #2B3EB7

tetradic

#B72B3E #84B72B #2BB7A4 #5E2BB7

square

#B72B3E #84B72B #2BB7A4 #5E2BB7

split-complementary

#B72B3E #2BB75E #2B84B7

monochromatic

#54141C #851F2D #B72B3E #D54B5D #E07C8A

Accessibility & contrast

On white

6.12

#B72B3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B72B3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72B3E

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72B3E	#FFFFFF	#000000	##FFFFFF
##B72B3E	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544F3E

Deuteranopia (green-blind)

#776C3A

Tritanopia (blue-blind)

#C90033

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72b3e;
/* rgb */ color: rgb(183, 43, 62);
/* oklch */ color: oklch(51.7% 0.175 18.9);

Tailwind

colors: {
  custom: {
    50: '#d47173',
    500: '#b72b3e',
    950: '#000000',
  },
}

SCSS

$custom: #b72b3e;
$custom-light: #d47173;
$custom-dark: #000000;

JSON

{
  "hex": "#b72b3e",
  "rgb": {
    "r": 183,
    "g": 43,
    "b": 62
  },
  "hsl": {
    "h": 351.857,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51704,
    "c": 0.17524,
    "h": 18.9
  },
  "luminance": 0.12143
}

Semantic roles & 50–950 ramp

primary

#B72B3E

secondary

#75C9BD

accent

#E5CF43

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160808

muted

#847B7B

Preview Lab

Preview with #B72B3E

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

Preview Lab → · Contrast checker → · Palette generator →