#B73A55#B73A55

#B73A55 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.7% C 0.161 H 11.7°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#B73A55
RGB	rgb(183, 58, 85)
HSL	hsl(347, 52%, 47%)
HSV	hsv(347, 68%, 72%)
CMYK	cmyk(0%, 68.3%, 53.6%, 28.2%)
CIE-LAB	lab(43.88, 52.06, 12.84)
CIE-LCH	lch(43.88, 53.62, 13.86°)
OKLab	oklab(53.66% 0.1575 0.0325)
OKLCH	oklch(53.66% 0.161 11.7)
XYZ	xyz(22.6832, 13.7523, 10.0526)
Luminance	0.1375 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73A55 #3AB79C

analogous

#B73A94 #B73A55 #B75E3A

triadic

#B73A55 #55B73A #3A55B7

tetradic

#B73A55 #94B73A #3AB79C #5E3AB7

square

#B73A55 #94B73A #3AB79C #5E3AB7

split-complementary

#B73A55 #3AB75E #3A94B7

monochromatic

#5A1D2A #892B3F #B73A55 #CD6178 #DC90A0

Accessibility & contrast

On white

5.60

#B73A55 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#B73A55 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73A55

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73A55	#FFFFFF	#000000	##FFFFFF
##B73A55	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)

#585855

Deuteranopia (green-blind)

#797152

Tritanopia (blue-blind)

#C82245

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b73a55;
/* rgb */ color: rgb(183, 58, 85);
/* oklch */ color: oklch(53.7% 0.161 11.7);

Tailwind

colors: {
  custom: {
    50: '#d27884',
    500: '#b73a55',
    950: '#000000',
  },
}

SCSS

$custom: #b73a55;
$custom-light: #d27884;
$custom-dark: #000000;

JSON

{
  "hex": "#b73a55",
  "rgb": {
    "r": 183,
    "g": 58,
    "b": 85
  },
  "hsl": {
    "h": 347.04,
    "s": 51.867,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53659,
    "c": 0.16082,
    "h": 11.7
  },
  "luminance": 0.13749
}

Semantic roles & 50–950 ramp

primary

#B73A55

secondary

#86C7B9

accent

#DBBC4C

background

#FDF7F8

surface

#FBEEEF

border

#D4C9CA

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B73A55

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

Preview Lab → · Contrast checker → · Palette generator →