#5B278B#5B278B

#5B278B is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.0% C 0.158 H 303.8°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#5B278B
RGB	rgb(91, 39, 139)
HSL	hsl(271, 56%, 35%)
HSV	hsv(271, 72%, 55%)
CMYK	cmyk(34.5%, 71.9%, 0%, 45.5%)
CIE-LAB	lab(28.22, 43.05, -46.19)
CIE-LCH	lch(28.22, 63.15, 312.98°)
OKLab	oklab(40.03% 0.0879 -0.1314)
OKLCH	oklch(40.03% 0.158 303.8)
XYZ	xyz(9.6990, 5.5393, 24.9793)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B278B #578B27

analogous

#29278B #5B278B #8B2789

triadic

#5B278B #8B5B27 #278B5B

tetradic

#5B278B #8B2927 #578B27 #27898B

square

#5B278B #8B2927 #578B27 #27898B

split-complementary

#5B278B #898B27 #278B29

monochromatic

#1C0C2B #3C1A5B #5B278B #7A34BB #995BD1

Accessibility & contrast

On white

9.96

#5B278B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#5B278B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B278B

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B278B	#FFFFFF	#000000	##FFFFFF
##5B278B	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418E

Deuteranopia (green-blind)

#004289

Tritanopia (blue-blind)

#523E56

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #5b278b;
/* rgb */ color: rgb(91, 39, 139);
/* oklch */ color: oklch(40.0% 0.158 303.8);

Tailwind

colors: {
  custom: {
    50: '#8e66ae',
    500: '#5b278b',
    950: '#000000',
  },
}

SCSS

$custom: #5b278b;
$custom-light: #8e66ae;
$custom-dark: #000000;

JSON

{
  "hex": "#5b278b",
  "rgb": {
    "r": 91,
    "g": 39,
    "b": 139
  },
  "hsl": {
    "h": 271.2,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.40027,
    "c": 0.15806,
    "h": 303.8
  },
  "luminance": 0.05539
}

Semantic roles & 50–950 ramp

primary

#5B278B

secondary

#85B658

accent

#DF4891

background

#F9F6FA

surface

#F1EBF4

border

#CBC6CE

text

#0D0610

muted

#7E7A7F

Preview Lab

Preview with #5B278B

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

Preview Lab → · Contrast checker → · Palette generator →