#B73A4F#B73A4F

#B73A4F is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.5% C 0.160 H 14.7°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#B73A4F
RGB	rgb(183, 58, 79)
HSL	hsl(350, 52%, 47%)
HSV	hsv(350, 68%, 72%)
CMYK	cmyk(0%, 68.3%, 56.8%, 28.2%)
CIE-LAB	lab(43.74, 51.58, 16.37)
CIE-LCH	lch(43.74, 54.12, 17.61°)
OKLab	oklab(53.52% 0.1551 0.0407)
OKLCH	oklch(53.52% 0.16 14.7)
XYZ	xyz(22.4549, 13.6610, 8.8500)
Luminance	0.1366 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73A4F #3AB7A2

analogous

#B73A8E #B73A4F #B7643A

triadic

#B73A4F #4FB73A #3A4FB7

tetradic

#B73A4F #8EB73A #3AB7A2 #643AB7

square

#B73A4F #8EB73A #3AB7A2 #643AB7

split-complementary

#B73A4F #3AB764 #3A8EB7

monochromatic

#5A1D27 #892B3B #B73A4F #CD6173 #DC909C

Accessibility & contrast

On white

5.63

#B73A4F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#B73A4F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73A4F

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73A4F	#FFFFFF	#000000	##FFFFFF
##B73A4F	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59574F

Deuteranopia (green-blind)

#79714C

Tritanopia (blue-blind)

#C81F42

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73a4f;
/* rgb */ color: rgb(183, 58, 79);
/* oklch */ color: oklch(53.5% 0.160 14.7);

Tailwind

colors: {
  custom: {
    50: '#d37880',
    500: '#b73a4f',
    950: '#000000',
  },
}

SCSS

$custom: #b73a4f;
$custom-light: #d37880;
$custom-dark: #000000;

JSON

{
  "hex": "#b73a4f",
  "rgb": {
    "r": 183,
    "g": 58,
    "b": 79
  },
  "hsl": {
    "h": 349.92,
    "s": 51.867,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53517,
    "c": 0.16038,
    "h": 14.7
  },
  "luminance": 0.13658
}

Semantic roles & 50–950 ramp

primary

#B73A4F

secondary

#86C7BC

accent

#DBC34C

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B73A4F

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

Preview Lab → · Contrast checker → · Palette generator →