#5B1788#5B1788

#5B1788 is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.1% C 0.173 H 306.8°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#5B1788
RGB	rgb(91, 23, 136)
HSL	hsl(276, 71%, 31%)
HSV	hsv(276, 83%, 53%)
CMYK	cmyk(33.1%, 83.1%, 0%, 46.7%)
CIE-LAB	lab(25.61, 49.09, -48.57)
CIE-LCH	lch(25.61, 69.06, 315.30°)
OKLab	oklab(38.11% 0.1036 -0.1383)
OKLCH	oklch(38.11% 0.173 306.8)
XYZ	xyz(9.0637, 4.6146, 23.7010)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.97

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1788 #448817

analogous

#221788 #5B1788 #88177C

triadic

#5B1788 #885B17 #17885B

tetradic

#5B1788 #882217 #448817 #177C88

square

#5B1788 #882217 #448817 #177C88

split-complementary

#5B1788 #7C8817 #178822

monochromatic

#15051F #380E54 #5B1788 #7E20BC #9D3BDE

Accessibility & contrast

On white

10.92

#5B1788 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#5B1788 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1788

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1788	#FFFFFF	#000000	##FFFFFF
##5B1788	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8B

Deuteranopia (green-blind)

#003D86

Tritanopia (blue-blind)

#533550

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #5b1788;
/* rgb */ color: rgb(91, 23, 136);
/* oklch */ color: oklch(38.1% 0.173 306.8);

Tailwind

colors: {
  custom: {
    50: '#8f5eac',
    500: '#5b1788',
    950: '#000000',
  },
}

SCSS

$custom: #5b1788;
$custom-light: #8f5eac;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1788",
  "rgb": {
    "r": 91,
    "g": 23,
    "b": 136
  },
  "hsl": {
    "h": 276.106,
    "s": 71.069,
    "l": 31.176
  },
  "oklch": {
    "l": 0.38111,
    "c": 0.17276,
    "h": 306.8
  },
  "luminance": 0.04615
}

Semantic roles & 50–950 ramp

primary

#5B1788

secondary

#71BC3F

accent

#EE3A82

background

#F9F5FA

surface

#F1E9F4

border

#CBC5CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #5B1788

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

Preview Lab → · Contrast checker → · Palette generator →