#5B188B#5B188B

#5B188B is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.5% C 0.175 H 305.7°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#5B188B
RGB	rgb(91, 24, 139)
HSL	hsl(275, 71%, 32%)
HSV	hsv(275, 83%, 55%)
CMYK	cmyk(34.5%, 82.7%, 0%, 45.5%)
CIE-LAB	lab(25.99, 49.43, -49.83)
CIE-LCH	lch(25.99, 70.19, 314.77°)
OKLab	oklab(38.45% 0.1019 -0.142)
OKLCH	oklch(38.45% 0.175 305.7)
XYZ	xyz(9.3002, 4.7416, 24.8464)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B188B #488B18

analogous

#22188B #5B188B #8B1881

triadic

#5B188B #8B5B18 #188B5B

tetradic

#5B188B #8B2218 #488B18 #18818B

square

#5B188B #8B2218 #488B18 #18818B

split-complementary

#5B188B #818B18 #188B22

monochromatic

#170623 #390F57 #5B188B #7D21BF #9C3FDE

Accessibility & contrast

On white

10.78

#5B188B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#5B188B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B188B

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B188B	#FFFFFF	#000000	##FFFFFF
##5B188B	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8E

Deuteranopia (green-blind)

#003E89

Tritanopia (blue-blind)

#523752

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #5b188b;
/* rgb */ color: rgb(91, 24, 139);
/* oklch */ color: oklch(38.5% 0.175 305.7);

Tailwind

colors: {
  custom: {
    50: '#8f5eae',
    500: '#5b188b',
    950: '#000000',
  },
}

SCSS

$custom: #5b188b;
$custom-light: #8f5eae;
$custom-dark: #000000;

JSON

{
  "hex": "#5b188b",
  "rgb": {
    "r": 91,
    "g": 24,
    "b": 139
  },
  "hsl": {
    "h": 274.957,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.38454,
    "c": 0.17478,
    "h": 305.7
  },
  "luminance": 0.04741
}

Semantic roles & 50–950 ramp

primary

#5B188B

secondary

#75BE40

accent

#ED3A85

background

#F9F5FA

surface

#F1EAF4

border

#CBC6CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #5B188B

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

Preview Lab → · Contrast checker → · Palette generator →