#5B188A#5B188A

#5B188A is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.4% C 0.174 H 306.0°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#5B188A
RGB	rgb(91, 24, 138)
HSL	hsl(275, 70%, 32%)
HSV	hsv(275, 83%, 54%)
CMYK	cmyk(34.1%, 82.6%, 0%, 45.9%)
CIE-LAB	lab(25.90, 49.20, -49.34)
CIE-LCH	lch(25.90, 69.68, 314.92°)
OKLab	oklab(38.37% 0.1022 -0.1405)
OKLCH	oklch(38.37% 0.174 306)
XYZ	xyz(9.2274, 4.7125, 24.4633)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.08

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B188A #478A18

analogous

#22188A #5B188A #8A1880

triadic

#5B188A #8A5B18 #188A5B

tetradic

#5B188A #8A2218 #478A18 #18808A

square

#5B188A #8A2218 #478A18 #18808A

split-complementary

#5B188A #808A18 #188A22

monochromatic

#160622 #390F56 #5B188A #7D21BE #9C3FDE

Accessibility & contrast

On white

10.81

#5B188A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#5B188A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B188A

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B188A	#FFFFFF	#000000	##FFFFFF
##5B188A	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8D

Deuteranopia (green-blind)

#003E88

Tritanopia (blue-blind)

#523752

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #5b188a;
/* rgb */ color: rgb(91, 24, 138);
/* oklch */ color: oklch(38.4% 0.174 306.0);

Tailwind

colors: {
  custom: {
    50: '#8f5ead',
    500: '#5b188a',
    950: '#000000',
  },
}

SCSS

$custom: #5b188a;
$custom-light: #8f5ead;
$custom-dark: #000000;

JSON

{
  "hex": "#5b188a",
  "rgb": {
    "r": 91,
    "g": 24,
    "b": 138
  },
  "hsl": {
    "h": 275.263,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.38368,
    "c": 0.1738,
    "h": 306
  },
  "luminance": 0.04712
}

Semantic roles & 50–950 ramp

primary

#5B188A

secondary

#74BD40

accent

#ED3B84

background

#F9F5FA

surface

#F1EAF4

border

#CBC6CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #5B188A

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

Preview Lab → · Contrast checker → · Palette generator →