#B72E2B#B72E2B

#B72E2B is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.7% C 0.174 H 26.7°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#B72E2B
RGB	rgb(183, 46, 43)
HSL	hsl(1, 62%, 44%)
HSV	hsv(1, 77%, 72%)
CMYK	cmyk(0%, 74.9%, 76.5%, 28.2%)
CIE-LAB	lab(41.53, 54.03, 35.38)
CIE-LCH	lch(41.53, 64.58, 33.22°)
OKLab	oklab(51.68% 0.1557 0.0785)
OKLCH	oklch(51.68% 0.174 26.7)
XYZ	xyz(20.9439, 12.1989, 3.5369)
Luminance	0.1220 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72E2B #2BB4B7

analogous

#B72B6E #B72E2B #B7742B

triadic

#B72E2B #2BB72E #2E2BB7

tetradic

#B72E2B #6EB72B #2BB4B7 #742BB7

square

#B72E2B #6EB72B #2BB4B7 #742BB7

split-complementary

#B72E2B #2BB774 #2B6EB7

monochromatic

#541514 #85221F #B72E2B #D54E4B #E07E7C

Accessibility & contrast

On white

6.11

#B72E2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#B72E2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72E2B

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72E2B	#FFFFFF	#000000	##FFFFFF
##B72E2B	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)

#574F29

Deuteranopia (green-blind)

#796D26

Tritanopia (blue-blind)

#CA002F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72e2b;
/* rgb */ color: rgb(183, 46, 43);
/* oklch */ color: oklch(51.7% 0.174 26.7);

Tailwind

colors: {
  custom: {
    50: '#d57265',
    500: '#b72e2b',
    950: '#000000',
  },
}

SCSS

$custom: #b72e2b;
$custom-light: #d57265;
$custom-dark: #000000;

JSON

{
  "hex": "#b72e2b",
  "rgb": {
    "r": 183,
    "g": 46,
    "b": 43
  },
  "hsl": {
    "h": 1.286,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51678,
    "c": 0.17435,
    "h": 26.7
  },
  "luminance": 0.12196
}

Semantic roles & 50–950 ramp

primary

#B72E2B

secondary

#75C7C9

accent

#E2E543

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B72E2B

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

Preview Lab → · Contrast checker → · Palette generator →