#5B1B9D#5B1B9D

#5B1B9D is a dark, vivid violet. Relative luminance 0.054; OKLCH L 40.3% C 0.190 H 299.7°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#5B1B9D
RGB	rgb(91, 27, 157)
HSL	hsl(270, 71%, 36%)
HSV	hsv(270, 83%, 62%)
CMYK	cmyk(42%, 82.8%, 0%, 38.4%)
CIE-LAB	lab(27.96, 52.63, -57.70)
CIE-LCH	lch(27.96, 78.09, 312.37°)
OKLab	oklab(40.32% 0.0941 -0.1651)
OKLCH	oklch(40.32% 0.19 299.7)
XYZ	xyz(10.7906, 5.4422, 32.3737)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1B9D #5D9D1B

analogous

#1B1C9D #5B1B9D #9C1B9D

triadic

#5B1B9D #9D5B1B #1B9D5B

tetradic

#5B1B9D #9D1B1C #5D9D1B #1B9D9C

square

#5B1B9D #9D1B1C #5D9D1B #1B9D9C

split-complementary

#5B1B9D #9D9C1B #1C9D1B

monochromatic

#1E0935 #3D1269 #5B1B9D #7924D1 #9851E1

Accessibility & contrast

On white

10.06

#5B1B9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#5B1B9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1B9D

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1B9D	#FFFFFF	#000000	##FFFFFF
##5B1B9D	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A0

Deuteranopia (green-blind)

#00419B

Tritanopia (blue-blind)

#4B405D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #5b1b9d;
/* rgb */ color: rgb(91, 27, 157);
/* oklch */ color: oklch(40.3% 0.190 299.7);

Tailwind

colors: {
  custom: {
    50: '#9061bb',
    500: '#5b1b9d',
    950: '#000000',
  },
}

SCSS

$custom: #5b1b9d;
$custom-light: #9061bb;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1b9d",
  "rgb": {
    "r": 91,
    "g": 27,
    "b": 157
  },
  "hsl": {
    "h": 269.538,
    "s": 70.652,
    "l": 36.078
  },
  "oklch": {
    "l": 0.40318,
    "c": 0.19001,
    "h": 299.7
  },
  "luminance": 0.05442
}

Semantic roles & 50–950 ramp

primary

#5B1B9D

secondary

#8BC450

accent

#ED3A95

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #5B1B9D

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

Preview Lab → · Contrast checker → · Palette generator →