#5B288B#5B288B

#5B288B is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.2% C 0.157 H 303.6°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#5B288B
RGB	rgb(91, 40, 139)
HSL	hsl(271, 55%, 35%)
HSV	hsv(271, 71%, 55%)
CMYK	cmyk(34.5%, 71.2%, 0%, 45.5%)
CIE-LAB	lab(28.40, 42.56, -45.91)
CIE-LCH	lch(28.40, 62.60, 312.83°)
OKLab	oklab(40.15% 0.0868 -0.1306)
OKLCH	oklch(40.15% 0.157 303.6)
XYZ	xyz(9.7323, 5.6058, 24.9904)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B288B #588B28

analogous

#2A288B #5B288B #8B2889

triadic

#5B288B #8B5B28 #288B5B

tetradic

#5B288B #8B2A28 #588B28 #28898B

square

#5B288B #8B2A28 #588B28 #28898B

split-complementary

#5B288B #898B28 #288B2A

monochromatic

#1D0D2C #3C1A5B #5B288B #7A36BB #985DD0

Accessibility & contrast

On white

9.90

#5B288B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#5B288B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B288B

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B288B	#FFFFFF	#000000	##FFFFFF
##5B288B	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428E

Deuteranopia (green-blind)

#004389

Tritanopia (blue-blind)

#523F56

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #5b288b;
/* rgb */ color: rgb(91, 40, 139);
/* oklch */ color: oklch(40.2% 0.157 303.6);

Tailwind

colors: {
  custom: {
    50: '#8e66ae',
    500: '#5b288b',
    950: '#000000',
  },
}

SCSS

$custom: #5b288b;
$custom-light: #8e66ae;
$custom-dark: #000000;

JSON

{
  "hex": "#5b288b",
  "rgb": {
    "r": 91,
    "g": 40,
    "b": 139
  },
  "hsl": {
    "h": 270.909,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40153,
    "c": 0.15676,
    "h": 303.6
  },
  "luminance": 0.05606
}

Semantic roles & 50–950 ramp

primary

#5B288B

secondary

#86B659

accent

#DF4992

background

#F9F6FA

surface

#F1EBF4

border

#CBC6CE

text

#0D0610

muted

#7E7A7F

Preview Lab

Preview with #5B288B

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

Preview Lab → · Contrast checker → · Palette generator →