#5B188D#5B188D

#5B188D is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.6% C 0.177 H 305.0°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#5B188D
RGB	rgb(91, 24, 141)
HSL	hsl(274, 71%, 32%)
HSV	hsv(274, 83%, 55%)
CMYK	cmyk(35.5%, 83%, 0%, 44.7%)
CIE-LAB	lab(26.16, 49.89, -50.79)
CIE-LCH	lch(26.16, 71.20, 314.49°)
OKLab	oklab(38.63% 0.1014 -0.1448)
OKLCH	oklch(38.63% 0.177 305)
XYZ	xyz(9.4476, 4.8006, 25.6230)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B188D #4A8D18

analogous

#21188D #5B188D #8D1885

triadic

#5B188D #8D5B18 #188D5B

tetradic

#5B188D #8D2118 #4A8D18 #18858D

square

#5B188D #8D2118 #4A8D18 #18858D

split-complementary

#5B188D #858D18 #188D21

monochromatic

#170624 #390F59 #5B188D #7D21C1 #9B41DF

Accessibility & contrast

On white

10.71

#5B188D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#5B188D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B188D

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B188D	#FFFFFF	#000000	##FFFFFF
##5B188D	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C90

Deuteranopia (green-blind)

#003E8B

Tritanopia (blue-blind)

#513854

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #5b188d;
/* rgb */ color: rgb(91, 24, 141);
/* oklch */ color: oklch(38.6% 0.177 305.0);

Tailwind

colors: {
  custom: {
    50: '#8f5faf',
    500: '#5b188d',
    950: '#000000',
  },
}

SCSS

$custom: #5b188d;
$custom-light: #8f5faf;
$custom-dark: #000000;

JSON

{
  "hex": "#5b188d",
  "rgb": {
    "r": 91,
    "g": 24,
    "b": 141
  },
  "hsl": {
    "h": 274.359,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38629,
    "c": 0.17674,
    "h": 305
  },
  "luminance": 0.04801
}

Semantic roles & 50–950 ramp

primary

#5B188D

secondary

#77BF42

accent

#EE3A87

background

#F9F5FA

surface

#F1EAF5

border

#CBC6CF

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #5B188D

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

Preview Lab → · Contrast checker → · Palette generator →