#5B2173#5B2173

#5B2173 is a dark, vivid purple. Relative luminance 0.045; OKLCH L 37.5% C 0.140 H 314.3°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).

Color values

HEX	#5B2173
RGB	rgb(91, 33, 115)
HSL	hsl(282, 55%, 29%)
HSV	hsv(282, 71%, 45%)
CMYK	cmyk(20.9%, 71.3%, 0%, 54.9%)
CIE-LAB	lab(25.41, 40.19, -35.61)
CIE-LCH	lch(25.41, 53.69, 318.46°)
OKLab	oklab(37.46% 0.0978 -0.1003)
OKLCH	oklch(37.46% 0.14 314.3)
XYZ	xyz(7.9522, 4.5499, 16.6757)
Luminance	0.0455 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Darkish Purple

#751973

ΔE00 5.79

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B2173 #397321

analogous

#322173 #5B2173 #732162

triadic

#5B2173 #735B21 #21735B

tetradic

#5B2173 #733221 #397321 #216273

square

#5B2173 #733221 #397321 #216273

split-complementary

#5B2173 #627321 #217332

monochromatic

#130718 #351343 #5B2173 #812FA3 #A345CA

Accessibility & contrast

On white

10.99

#5B2173 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#5B2173 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B2173

10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B2173	#FFFFFF	#000000	##FFFFFF
##5B2173	1.00	10.99	1.91	10.99
#FFFFFF	10.99	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003975

Deuteranopia (green-blind)

#1D3E71

Tritanopia (blue-blind)

#593147

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #5b2173;
/* rgb */ color: rgb(91, 33, 115);
/* oklch */ color: oklch(37.5% 0.140 314.3);

Tailwind

colors: {
  custom: {
    50: '#8c619c',
    500: '#5b2173',
    950: '#000000',
  },
}

SCSS

$custom: #5b2173;
$custom-light: #8c619c;
$custom-dark: #000000;

JSON

{
  "hex": "#5b2173",
  "rgb": {
    "r": 91,
    "g": 33,
    "b": 115
  },
  "hsl": {
    "h": 282.439,
    "s": 55.405,
    "l": 29.02
  },
  "oklch": {
    "l": 0.3746,
    "c": 0.14003,
    "h": 314.3
  },
  "luminance": 0.0455
}

Semantic roles & 50–950 ramp

primary

#5B2173

secondary

#65A649

accent

#DF4975

background

#F8F5F9

surface

#F0EAF2

border

#CBC6CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #5B2173

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

Preview Lab → · Contrast checker → · Palette generator →