#5B2178#5B2178

#5B2178 is a dark, vivid purple. Relative luminance 0.047; OKLCH L 37.8% C 0.145 H 312.0°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#5B2178
RGB	rgb(91, 33, 120)
HSL	hsl(280, 57%, 30%)
HSV	hsv(280, 73%, 47%)
CMYK	cmyk(24.2%, 72.5%, 0%, 52.9%)
CIE-LAB	lab(25.77, 41.33, -38.22)
CIE-LCH	lch(25.77, 56.30, 317.24°)
OKLab	oklab(37.83% 0.0973 -0.1079)
OKLCH	oklch(37.83% 0.145 312)
XYZ	xyz(8.2478, 4.6681, 18.2322)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B2178 #3E7821

analogous

#2F2178 #5B2178 #78216A

triadic

#5B2178 #785B21 #21785B

tetradic

#5B2178 #782F21 #3E7821 #216A78

square

#5B2178 #782F21 #3E7821 #216A78

split-complementary

#5B2178 #6A7821 #21782F

monochromatic

#120718 #371448 #5B2178 #7F2EA8 #A047CC

Accessibility & contrast

On white

10.86

#5B2178 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#5B2178 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B2178

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B2178	#FFFFFF	#000000	##FFFFFF
##5B2178	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7B

Deuteranopia (green-blind)

#173E76

Tritanopia (blue-blind)

#58334A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #5b2178;
/* rgb */ color: rgb(91, 33, 120);
/* oklch */ color: oklch(37.8% 0.145 312.0);

Tailwind

colors: {
  custom: {
    50: '#8d629f',
    500: '#5b2178',
    950: '#000000',
  },
}

SCSS

$custom: #5b2178;
$custom-light: #8d629f;
$custom-dark: #000000;

JSON

{
  "hex": "#5b2178",
  "rgb": {
    "r": 91,
    "g": 33,
    "b": 120
  },
  "hsl": {
    "h": 280,
    "s": 56.863,
    "l": 30
  },
  "oklch": {
    "l": 0.37828,
    "c": 0.14529,
    "h": 312
  },
  "luminance": 0.04668
}

Semantic roles & 50–950 ramp

primary

#5B2178

secondary

#6AAB4A

accent

#E0487A

background

#F8F6F9

surface

#F0EBF2

border

#CBC6CC

text

#0C050F

muted

#7D7A7E

Preview Lab

Preview with #5B2178

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

Preview Lab → · Contrast checker → · Palette generator →