#5B1B91#5B1B91

#5B1B91 is a dark, vivid violet. Relative luminance 0.051; OKLCH L 39.2% C 0.178 H 303.4°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#5B1B91
RGB	rgb(91, 27, 145)
HSL	hsl(273, 69%, 34%)
HSV	hsv(273, 81%, 57%)
CMYK	cmyk(37.2%, 81.4%, 0%, 43.1%)
CIE-LAB	lab(26.88, 49.74, -52.09)
CIE-LCH	lch(26.88, 72.02, 313.68°)
OKLab	oklab(39.24% 0.0978 -0.1486)
OKLCH	oklch(39.24% 0.178 303.4)
XYZ	xyz(9.8159, 5.0523, 27.2406)
Luminance	0.0505 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1B91 #51911B

analogous

#201B91 #5B1B91 #911B8C

triadic

#5B1B91 #915B1B #1B915B

tetradic

#5B1B91 #91201B #51911B #1B8C91

square

#5B1B91 #91201B #51911B #1B8C91

split-complementary

#5B1B91 #8C911B #1B9120

monochromatic

#1A082A #3B115D #5B1B91 #7B25C5 #9949DD

Accessibility & contrast

On white

10.45

#5B1B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#5B1B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1B91

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1B91	#FFFFFF	#000000	##FFFFFF
##5B1B91	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E94

Deuteranopia (green-blind)

#003F8F

Tritanopia (blue-blind)

#503B56

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #5b1b91;
/* rgb */ color: rgb(91, 27, 145);
/* oklch */ color: oklch(39.2% 0.178 303.4);

Tailwind

colors: {
  custom: {
    50: '#8f60b2',
    500: '#5b1b91',
    950: '#000000',
  },
}

SCSS

$custom: #5b1b91;
$custom-light: #8f60b2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1b91",
  "rgb": {
    "r": 91,
    "g": 27,
    "b": 145
  },
  "hsl": {
    "h": 272.542,
    "s": 68.605,
    "l": 33.725
  },
  "oklch": {
    "l": 0.39241,
    "c": 0.17792,
    "h": 303.4
  },
  "luminance": 0.05052
}

Semantic roles & 50–950 ramp

primary

#5B1B91

secondary

#7FBF49

accent

#EB3C8C

background

#F9F5FB

surface

#F1EAF6

border

#CBC6D0

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #5B1B91

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

Preview Lab → · Contrast checker → · Palette generator →