#5B288C#5B288C

#5B288C is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.2% C 0.158 H 303.3°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#5B288C
RGB	rgb(91, 40, 140)
HSL	hsl(271, 56%, 35%)
HSV	hsv(271, 71%, 55%)
CMYK	cmyk(35%, 71.4%, 0%, 45.1%)
CIE-LAB	lab(28.47, 42.81, -46.40)
CIE-LCH	lch(28.47, 63.14, 312.69°)
OKLab	oklab(40.23% 0.0866 -0.132)
OKLCH	oklch(40.23% 0.158 303.3)
XYZ	xyz(9.8057, 5.6352, 25.3770)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B288C #598C28

analogous

#29288C #5B288C #8C288B

triadic

#5B288C #8C5B28 #288C5B

tetradic

#5B288C #8C2928 #598C28 #288B8C

square

#5B288C #8C2928 #598C28 #288B8C

split-complementary

#5B288C #8B8C28 #288C29

monochromatic

#1D0D2D #3C1A5C #5B288C #7A36BC #985ED1

Accessibility & contrast

On white

9.87

#5B288C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#5B288C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B288C

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B288C	#FFFFFF	#000000	##FFFFFF
##5B288C	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428F

Deuteranopia (green-blind)

#00438A

Tritanopia (blue-blind)

#513F57

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #5b288c;
/* rgb */ color: rgb(91, 40, 140);
/* oklch */ color: oklch(40.2% 0.158 303.3);

Tailwind

colors: {
  custom: {
    50: '#8e66ae',
    500: '#5b288c',
    950: '#000000',
  },
}

SCSS

$custom: #5b288c;
$custom-light: #8e66ae;
$custom-dark: #000000;

JSON

{
  "hex": "#5b288c",
  "rgb": {
    "r": 91,
    "g": 40,
    "b": 140
  },
  "hsl": {
    "h": 270.6,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.40233,
    "c": 0.15788,
    "h": 303.3
  },
  "luminance": 0.05635
}

Semantic roles & 50–950 ramp

primary

#5B288C

secondary

#87B65A

accent

#DF4992

background

#F9F6FA

surface

#F1EBF4

border

#CBC6CE

text

#0D0610

muted

#7E7A7F

Preview Lab

Preview with #5B288C

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

Preview Lab → · Contrast checker → · Palette generator →