#B72E2A#B72E2A

#B72E2A is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.7% C 0.174 H 27.1°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#B72E2A
RGB	rgb(183, 46, 42)
HSL	hsl(2, 63%, 44%)
HSV	hsv(2, 77%, 72%)
CMYK	cmyk(0%, 74.9%, 77%, 28.2%)
CIE-LAB	lab(41.52, 53.99, 35.94)
CIE-LCH	lch(41.52, 64.85, 33.65°)
OKLab	oklab(51.67% 0.1554 0.0794)
OKLCH	oklch(51.67% 0.174 27.1)
XYZ	xyz(20.9258, 12.1917, 3.4414)
Luminance	0.1219 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72E2A #2AB3B7

analogous

#B72A6D #B72E2A #B7752A

triadic

#B72E2A #2AB72E #2E2AB7

tetradic

#B72E2A #6DB72A #2AB3B7 #752AB7

square

#B72E2A #6DB72A #2AB3B7 #752AB7

split-complementary

#B72E2A #2AB775 #2A6DB7

monochromatic

#531513 #85211F #B72E2A #D54D49 #E17E7B

Accessibility & contrast

On white

6.11

#B72E2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#B72E2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72E2A

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72E2A	#FFFFFF	#000000	##FFFFFF
##B72E2A	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F28

Deuteranopia (green-blind)

#796D24

Tritanopia (blue-blind)

#CA002F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72e2a;
/* rgb */ color: rgb(183, 46, 42);
/* oklch */ color: oklch(51.7% 0.174 27.1);

Tailwind

colors: {
  custom: {
    50: '#d67264',
    500: '#b72e2a',
    950: '#000000',
  },
}

SCSS

$custom: #b72e2a;
$custom-light: #d67264;
$custom-dark: #000000;

JSON

{
  "hex": "#b72e2a",
  "rgb": {
    "r": 183,
    "g": 46,
    "b": 42
  },
  "hsl": {
    "h": 1.702,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51666,
    "c": 0.17449,
    "h": 27.1
  },
  "luminance": 0.12188
}

Semantic roles & 50–950 ramp

primary

#B72E2A

secondary

#74C6C9

accent

#E1E642

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B72E2A

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

Preview Lab → · Contrast checker → · Palette generator →