#5B187B#5B187B

#5B187B is a dark, vivid purple. Relative luminance 0.043; OKLCH L 37.1% C 0.159 H 311.8°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#5B187B
RGB	rgb(91, 24, 123)
HSL	hsl(281, 67%, 29%)
HSV	hsv(281, 80%, 48%)
CMYK	cmyk(26%, 80.5%, 0%, 51.8%)
CIE-LAB	lab(24.66, 45.80, -41.91)
CIE-LCH	lch(24.66, 62.08, 317.54°)
OKLab	oklab(37.12% 0.106 -0.1187)
OKLCH	oklch(37.12% 0.159 311.8)
XYZ	xyz(8.2155, 4.3077, 19.1337)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B187B #387B18

analogous

#2A187B #5B187B #7B186A

triadic

#5B187B #7B5B18 #187B5B

tetradic

#5B187B #7B2A18 #387B18 #186A7B

square

#5B187B #7B2A18 #387B18 #186A7B

split-complementary

#5B187B #6A7B18 #187B2A

monochromatic

#13051A #350E48 #5B187B #8122AE #A336D8

Accessibility & contrast

On white

11.28

#5B187B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#5B187B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B187B

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B187B	#FFFFFF	#000000	##FFFFFF
##5B187B	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377E

Deuteranopia (green-blind)

#043C79

Tritanopia (blue-blind)

#573049

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #5b187b;
/* rgb */ color: rgb(91, 24, 123);
/* oklch */ color: oklch(37.1% 0.159 311.8);

Tailwind

colors: {
  custom: {
    50: '#8d5ea2',
    500: '#5b187b',
    950: '#000000',
  },
}

SCSS

$custom: #5b187b;
$custom-light: #8d5ea2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b187b",
  "rgb": {
    "r": 91,
    "g": 24,
    "b": 123
  },
  "hsl": {
    "h": 280.606,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.37117,
    "c": 0.15915,
    "h": 311.8
  },
  "luminance": 0.04307
}

Semantic roles & 50–950 ramp

primary

#5B187B

secondary

#64B03F

accent

#EA3E75

background

#F9F5FA

surface

#F1E9F3

border

#CBC5CD

text

#0D050F

muted

#7E797F

Preview Lab

Preview with #5B187B

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

Preview Lab → · Contrast checker → · Palette generator →