#5B177B#5B177B

#5B177B is a dark, vivid purple. Relative luminance 0.043; OKLCH L 37.0% C 0.160 H 311.9°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#5B177B
RGB	rgb(91, 23, 123)
HSL	hsl(281, 68%, 29%)
HSV	hsv(281, 81%, 48%)
CMYK	cmyk(26%, 81.3%, 0%, 51.8%)
CIE-LAB	lab(24.54, 46.17, -42.12)
CIE-LCH	lch(24.54, 62.50, 317.62°)
OKLab	oklab(37.03% 0.1069 -0.1193)
OKLCH	oklch(37.03% 0.16 311.9)
XYZ	xyz(8.1953, 4.2672, 19.1270)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B177B #377B17

analogous

#29177B #5B177B #7B1769

triadic

#5B177B #7B5B17 #177B5B

tetradic

#5B177B #7B2917 #377B17 #17697B

square

#5B177B #7B2917 #377B17 #17697B

split-complementary

#5B177B #697B17 #177B29

monochromatic

#13051A #350D47 #5B177B #8121AF #A433D9

Accessibility & contrast

On white

11.33

#5B177B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#5B177B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B177B

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B177B	#FFFFFF	#000000	##FFFFFF
##5B177B	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377E

Deuteranopia (green-blind)

#023B79

Tritanopia (blue-blind)

#573049

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #5b177b;
/* rgb */ color: rgb(91, 23, 123);
/* oklch */ color: oklch(37.0% 0.160 311.9);

Tailwind

colors: {
  custom: {
    50: '#8d5da2',
    500: '#5b177b',
    950: '#000000',
  },
}

SCSS

$custom: #5b177b;
$custom-light: #8d5da2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b177b",
  "rgb": {
    "r": 91,
    "g": 23,
    "b": 123
  },
  "hsl": {
    "h": 280.8,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37027,
    "c": 0.16019,
    "h": 311.9
  },
  "luminance": 0.04267
}

Semantic roles & 50–950 ramp

primary

#5B177B

secondary

#62B03E

accent

#EB3C74

background

#F9F5FA

surface

#F1E9F3

border

#CBC5CD

text

#0D050F

muted

#7E797F

Preview Lab

Preview with #5B177B

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

Preview Lab → · Contrast checker → · Palette generator →