#B72B4B#B72B4B

#B72B4B is a mid, vivid red. Relative luminance 0.123; OKLCH L 52.0% C 0.176 H 13.1°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#B72B4B
RGB	rgb(183, 43, 75)
HSL	hsl(346, 62%, 44%)
HSV	hsv(346, 77%, 72%)
CMYK	cmyk(0%, 76.5%, 59%, 28.2%)
CIE-LAB	lab(41.70, 56.73, 16.10)
CIE-LCH	lch(41.70, 58.97, 15.85°)
OKLab	oklab(51.97% 0.171 0.0398)
OKLCH	oklch(51.97% 0.176 13.1)
XYZ	xyz(21.6645, 12.3062, 7.8898)
Luminance	0.1230 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72B4B #2BB797

analogous

#B72B91 #B72B4B #B7512B

triadic

#B72B4B #4BB72B #2B4BB7

tetradic

#B72B4B #91B72B #2BB797 #512BB7

square

#B72B4B #91B72B #2BB797 #512BB7

split-complementary

#B72B4B #2BB751 #2B91B7

monochromatic

#541422 #851F37 #B72B4B #D54B6A #E07C93

Accessibility & contrast

On white

6.07

#B72B4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B72B4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72B4B

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72B4B	#FFFFFF	#000000	##FFFFFF
##B72B4B	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51504B

Deuteranopia (green-blind)

#756D47

Tritanopia (blue-blind)

#C80039

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72b4b;
/* rgb */ color: rgb(183, 43, 75);
/* oklch */ color: oklch(52.0% 0.176 13.1);

Tailwind

colors: {
  custom: {
    50: '#d4717d',
    500: '#b72b4b',
    950: '#000000',
  },
}

SCSS

$custom: #b72b4b;
$custom-light: #d4717d;
$custom-dark: #000000;

JSON

{
  "hex": "#b72b4b",
  "rgb": {
    "r": 183,
    "g": 43,
    "b": 75
  },
  "hsl": {
    "h": 346.286,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51971,
    "c": 0.17553,
    "h": 13.1
  },
  "luminance": 0.12303
}

Semantic roles & 50–950 ramp

primary

#B72B4B

secondary

#75C9B6

accent

#E5C043

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B72B4B

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

Preview Lab → · Contrast checker → · Palette generator →