#5B33AB#5B33AB

#5B33AB is a dark, vivid violet. Relative luminance 0.075; OKLCH L 44.2% C 0.180 H 292.8°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#5B33AB
RGB	rgb(91, 51, 171)
HSL	hsl(260, 54%, 44%)
HSV	hsv(260, 70%, 67%)
CMYK	cmyk(46.8%, 70.2%, 0%, 32.9%)
CIE-LAB	lab(32.99, 45.45, -57.93)
CIE-LCH	lch(32.99, 73.63, 308.11°)
OKLab	oklab(44.23% 0.0698 -0.1659)
OKLCH	oklch(44.23% 0.18 292.8)
XYZ	xyz(12.8469, 7.5317, 39.2971)
Luminance	0.0753 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Rebeccapurple

#663399

ΔE00 4.04

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B33AB #83AB33

analogous

#3347AB #5B33AB #9733AB

triadic

#5B33AB #AB5B33 #33AB5B

tetradic

#5B33AB #AB3347 #83AB33 #33AB97

square

#5B33AB #AB3347 #83AB33 #33AB97

split-complementary

#5B33AB #AB9733 #47AB33

monochromatic

#29174D #42257C #5B33AB #7950CB #9D7FD9

Accessibility & contrast

On white

8.38

#5B33AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#5B33AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B33AB

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B33AB	#FFFFFF	#000000	##FFFFFF
##5B33AB	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAF

Deuteranopia (green-blind)

#004BA9

Tritanopia (blue-blind)

#43516B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #5b33ab;
/* rgb */ color: rgb(91, 51, 171);
/* oklch */ color: oklch(44.2% 0.180 292.8);

Tailwind

colors: {
  custom: {
    50: '#916ec5',
    500: '#5b33ab',
    950: '#000000',
  },
}

SCSS

$custom: #5b33ab;
$custom-light: #916ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#5b33ab",
  "rgb": {
    "r": 91,
    "g": 51,
    "b": 171
  },
  "hsl": {
    "h": 260,
    "s": 54.054,
    "l": 43.529
  },
  "oklch": {
    "l": 0.4423,
    "c": 0.18003,
    "h": 292.8
  },
  "luminance": 0.07532
}

Semantic roles & 50–950 ramp

primary

#5B33AB

secondary

#A9C278

accent

#DD4AAC

background

#F9F6FC

surface

#F2ECF8

border

#CCC7D1

text

#0D0713

muted

#7E7A82

Preview Lab

Preview with #5B33AB

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

Preview Lab → · Contrast checker → · Palette generator →