#5B187C#5B187C

#5B187C is a dark, vivid purple. Relative luminance 0.043; OKLCH L 37.2% C 0.160 H 311.3°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#5B187C
RGB	rgb(91, 24, 124)
HSL	hsl(280, 68%, 29%)
HSV	hsv(280, 81%, 49%)
CMYK	cmyk(26.6%, 80.6%, 0%, 51.4%)
CIE-LAB	lab(24.74, 46.02, -42.42)
CIE-LCH	lch(24.74, 62.59, 317.33°)
OKLab	oklab(37.2% 0.1058 -0.1202)
OKLCH	oklch(37.2% 0.16 311.3)
XYZ	xyz(8.2784, 4.3329, 19.4651)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B187C #397C18

analogous

#29187C #5B187C #7C186B

triadic

#5B187C #7C5B18 #187C5B

tetradic

#5B187C #7C2918 #397C18 #186B7C

square

#5B187C #7C2918 #397C18 #186B7C

split-complementary

#5B187C #6B7C18 #187C29

monochromatic

#13051A #350E49 #5B187C #8122AF #A336D8

Accessibility & contrast

On white

11.25

#5B187C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#5B187C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B187C

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B187C	#FFFFFF	#000000	##FFFFFF
##5B187C	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387F

Deuteranopia (green-blind)

#013C7A

Tritanopia (blue-blind)

#57304A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #5b187c;
/* rgb */ color: rgb(91, 24, 124);
/* oklch */ color: oklch(37.2% 0.160 311.3);

Tailwind

colors: {
  custom: {
    50: '#8d5ea3',
    500: '#5b187c',
    950: '#000000',
  },
}

SCSS

$custom: #5b187c;
$custom-light: #8d5ea3;
$custom-dark: #000000;

JSON

{
  "hex": "#5b187c",
  "rgb": {
    "r": 91,
    "g": 24,
    "b": 124
  },
  "hsl": {
    "h": 280.2,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.37197,
    "c": 0.16012,
    "h": 311.3
  },
  "luminance": 0.04333
}

Semantic roles & 50–950 ramp

primary

#5B187C

secondary

#65B13F

accent

#EA3D76

background

#F9F5FA

surface

#F1E9F4

border

#CBC5CE

text

#0D050F

muted

#7E797F

Preview Lab

Preview with #5B187C

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

Preview Lab → · Contrast checker → · Palette generator →