#5B33B2#5B33B2

#5B33B2 is a dark, vivid violet. Relative luminance 0.078; OKLCH L 44.8% C 0.188 H 291.3°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#5B33B2
RGB	rgb(91, 51, 178)
HSL	hsl(259, 55%, 45%)
HSV	hsv(259, 71%, 70%)
CMYK	cmyk(48.9%, 71.3%, 0%, 30.2%)
CIE-LAB	lab(33.57, 47.40, -61.15)
CIE-LCH	lch(33.57, 77.37, 307.78°)
OKLab	oklab(44.83% 0.0684 -0.1754)
OKLCH	oklch(44.83% 0.188 291.3)
XYZ	xyz(13.5318, 7.8056, 42.9045)
Luminance	0.0781 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B33B2 #8AB233

analogous

#334AB2 #5B33B2 #9B33B2

triadic

#5B33B2 #B25B33 #33B25B

tetradic

#5B33B2 #B2334A #8AB233 #33B29B

square

#5B33B2 #B2334A #8AB233 #33B29B

split-complementary

#5B33B2 #B29B33 #4AB233

monochromatic

#2A1853 #432582 #5B33B2 #7B54CE #9F84DC

Accessibility & contrast

On white

8.20

#5B33B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#5B33B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B33B2

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B33B2	#FFFFFF	#000000	##FFFFFF
##5B33B2	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B6

Deuteranopia (green-blind)

#004CB0

Tritanopia (blue-blind)

#3F546F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #5b33b2;
/* rgb */ color: rgb(91, 51, 178);
/* oklch */ color: oklch(44.8% 0.188 291.3);

Tailwind

colors: {
  custom: {
    50: '#926eca',
    500: '#5b33b2',
    950: '#000000',
  },
}

SCSS

$custom: #5b33b2;
$custom-light: #926eca;
$custom-dark: #000000;

JSON

{
  "hex": "#5b33b2",
  "rgb": {
    "r": 91,
    "g": 51,
    "b": 178
  },
  "hsl": {
    "h": 258.898,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.4483,
    "c": 0.18829,
    "h": 291.3
  },
  "luminance": 0.07806
}

Semantic roles & 50–950 ramp

primary

#5B33B2

secondary

#AEC57C

accent

#DF49B0

background

#F9F6FC

surface

#F2ECF8

border

#CCC7D1

text

#0E0713

muted

#7E7A82

Preview Lab

Preview with #5B33B2

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

Preview Lab → · Contrast checker → · Palette generator →