#B72B2F#B72B2F

#B72B2F is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.5% C 0.176 H 24.7°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#B72B2F
RGB	rgb(183, 43, 47)
HSL	hsl(358, 62%, 44%)
HSV	hsv(358, 77%, 72%)
CMYK	cmyk(0%, 76.5%, 74.3%, 28.2%)
CIE-LAB	lab(41.22, 55.18, 32.70)
CIE-LCH	lch(41.22, 64.15, 30.65°)
OKLab	oklab(51.46% 0.1602 0.0736)
OKLCH	oklch(51.46% 0.176 24.7)
XYZ	xyz(20.9078, 12.0035, 3.9048)
Luminance	0.1200 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72B2F #2BB7B3

analogous

#B72B75 #B72B2F #B76D2B

triadic

#B72B2F #2FB72B #2B2FB7

tetradic

#B72B2F #75B72B #2BB7B3 #6D2BB7

square

#B72B2F #75B72B #2BB7B3 #6D2BB7

split-complementary

#B72B2F #2BB76D #2B75B7

monochromatic

#541416 #851F22 #B72B2F #D54B4F #E07C7F

Accessibility & contrast

On white

6.18

#B72B2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B72B2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72B2F

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72B2F	#FFFFFF	#000000	##FFFFFF
##B72B2F	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E2E

Deuteranopia (green-blind)

#786C2A

Tritanopia (blue-blind)

#CA002E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72b2f;
/* rgb */ color: rgb(183, 43, 47);
/* oklch */ color: oklch(51.5% 0.176 24.7);

Tailwind

colors: {
  custom: {
    50: '#d57068',
    500: '#b72b2f',
    950: '#000000',
  },
}

SCSS

$custom: #b72b2f;
$custom-light: #d57068;
$custom-dark: #000000;

JSON

{
  "hex": "#b72b2f",
  "rgb": {
    "r": 183,
    "g": 43,
    "b": 47
  },
  "hsl": {
    "h": 358.286,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51464,
    "c": 0.17633,
    "h": 24.7
  },
  "luminance": 0.12
}

Semantic roles & 50–950 ramp

primary

#B72B2F

secondary

#75C9C6

accent

#E5E043

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B72B2F

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

Preview Lab → · Contrast checker → · Palette generator →