#B73147#B73147

#B73147 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.4% C 0.170 H 16.2°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#B73147
RGB	rgb(183, 49, 71)
HSL	hsl(350, 58%, 45%)
HSV	hsv(350, 73%, 72%)
CMYK	cmyk(0%, 73.2%, 61.2%, 28.2%)
CIE-LAB	lab(42.34, 54.43, 19.45)
CIE-LCH	lch(42.34, 57.80, 19.67°)
OKLab	oklab(52.42% 0.1629 0.0474)
OKLCH	oklch(52.42% 0.17 16.2)
XYZ	xyz(21.7663, 12.7220, 7.2695)
Luminance	0.1272 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73147 #31B7A1

analogous

#B7318A #B73147 #B75E31

triadic

#B73147 #47B731 #3147B7

tetradic

#B73147 #8AB731 #31B7A1 #5E31B7

square

#B73147 #8AB731 #31B7A1 #5E31B7

split-complementary

#B73147 #31B75E #318AB7

monochromatic

#561722 #872434 #B73147 #D15469 #DE8493

Accessibility & contrast

On white

5.93

#B73147 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B73147 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73147

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73147	#FFFFFF	#000000	##FFFFFF
##B73147	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555247

Deuteranopia (green-blind)

#776E43

Tritanopia (blue-blind)

#C9023A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b73147;
/* rgb */ color: rgb(183, 49, 71);
/* oklch */ color: oklch(52.4% 0.170 16.2);

Tailwind

colors: {
  custom: {
    50: '#d4747a',
    500: '#b73147',
    950: '#000000',
  },
}

SCSS

$custom: #b73147;
$custom-light: #d4747a;
$custom-dark: #000000;

JSON

{
  "hex": "#b73147",
  "rgb": {
    "r": 183,
    "g": 49,
    "b": 71
  },
  "hsl": {
    "h": 350.149,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52421,
    "c": 0.16963,
    "h": 16.2
  },
  "luminance": 0.12719
}

Semantic roles & 50–950 ramp

primary

#B73147

secondary

#7CC8BB

accent

#E1C847

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B73147

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

Preview Lab → · Contrast checker → · Palette generator →