#B73B4F#B73B4F

#B73B4F is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.6% C 0.159 H 15.0°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#B73B4F
RGB	rgb(183, 59, 79)
HSL	hsl(350, 51%, 47%)
HSV	hsv(350, 68%, 72%)
CMYK	cmyk(0%, 67.8%, 56.8%, 28.2%)
CIE-LAB	lab(43.89, 51.18, 16.57)
CIE-LCH	lch(43.89, 53.80, 17.94°)
OKLab	oklab(53.63% 0.1538 0.0412)
OKLCH	oklch(53.63% 0.159 15)
XYZ	xyz(22.5058, 13.7628, 8.8670)
Luminance	0.1376 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73B4F #3BB7A3

analogous

#B73B8D #B73B4F #B7653B

triadic

#B73B4F #4FB73B #3B4FB7

tetradic

#B73B4F #8DB73B #3BB7A3 #653BB7

square

#B73B4F #8DB73B #3BB7A3 #653BB7

split-complementary

#B73B4F #3BB765 #3B8DB7

monochromatic

#5A1D27 #892C3B #B73B4F #CD6374 #DC919D

Accessibility & contrast

On white

5.60

#B73B4F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#B73B4F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73B4F

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73B4F	#FFFFFF	#000000	##FFFFFF
##B73B4F	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A574F

Deuteranopia (green-blind)

#7A714C

Tritanopia (blue-blind)

#C82143

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b73b4f;
/* rgb */ color: rgb(183, 59, 79);
/* oklch */ color: oklch(53.6% 0.159 15.0);

Tailwind

colors: {
  custom: {
    50: '#d37980',
    500: '#b73b4f',
    950: '#000000',
  },
}

SCSS

$custom: #b73b4f;
$custom-light: #d37980;
$custom-dark: #000000;

JSON

{
  "hex": "#b73b4f",
  "rgb": {
    "r": 183,
    "g": 59,
    "b": 79
  },
  "hsl": {
    "h": 350.323,
    "s": 51.24,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53627,
    "c": 0.15925,
    "h": 15
  },
  "luminance": 0.1376
}

Semantic roles & 50–950 ramp

primary

#B73B4F

secondary

#87C6BC

accent

#DBC44D

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B73B4F

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

Preview Lab → · Contrast checker → · Palette generator →