#5B337B#5B337B

#5B337B is a dark, vivid violet. Relative luminance 0.060; OKLCH L 40.6% C 0.121 H 307.5°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#5B337B
RGB	rgb(91, 51, 123)
HSL	hsl(273, 41%, 34%)
HSV	hsv(273, 59%, 48%)
CMYK	cmyk(26%, 58.5%, 0%, 51.8%)
CIE-LAB	lab(29.47, 32.53, -34.19)
CIE-LCH	lch(29.47, 47.19, 313.57°)
OKLab	oklab(40.57% 0.0738 -0.0962)
OKLCH	oklch(40.57% 0.121 307.5)
XYZ	xyz(9.0726, 6.0220, 19.4195)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 9.49

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B337B #537B33

analogous

#37337B #5B337B #7B3377

triadic

#5B337B #7B5B33 #337B5B

tetradic

#5B337B #7B3733 #537B33 #33777B

square

#5B337B #7B3733 #537B33 #33777B

split-complementary

#5B337B #777B33 #337B37

monochromatic

#1B0F24 #3B2150 #5B337B #7B45A6 #9968C0

Accessibility & contrast

On white

9.53

#5B337B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#5B337B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B337B

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B337B	#FFFFFF	#000000	##FFFFFF
##5B337B	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A447D

Deuteranopia (green-blind)

#294679

Tritanopia (blue-blind)

#564052

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #5b337b;
/* rgb */ color: rgb(91, 51, 123);
/* oklch */ color: oklch(40.6% 0.121 307.5);

Tailwind

colors: {
  custom: {
    50: '#8c6ca1',
    500: '#5b337b',
    950: '#000000',
  },
}

SCSS

$custom: #5b337b;
$custom-light: #8c6ca1;
$custom-dark: #000000;

JSON

{
  "hex": "#5b337b",
  "rgb": {
    "r": 91,
    "g": 51,
    "b": 123
  },
  "hsl": {
    "h": 273.333,
    "s": 41.379,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40572,
    "c": 0.12125,
    "h": 307.5
  },
  "luminance": 0.06022
}

Semantic roles & 50–950 ramp

primary

#5B337B

secondary

#81A862

accent

#D1578D

background

#F8F6FA

surface

#F0EBF3

border

#CBC6CD

text

#0C070F

muted

#7D7A7F

Preview Lab

Preview with #5B337B

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

Preview Lab → · Contrast checker → · Palette generator →