#5B188F#5B188F

#5B188F is a dark, vivid violet. Relative luminance 0.049; OKLCH L 38.8% C 0.179 H 304.3°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#5B188F
RGB	rgb(91, 24, 143)
HSL	hsl(274, 71%, 33%)
HSV	hsv(274, 83%, 56%)
CMYK	cmyk(36.4%, 83.2%, 0%, 43.9%)
CIE-LAB	lab(26.33, 50.36, -51.75)
CIE-LCH	lch(26.33, 72.21, 314.22°)
OKLab	oklab(38.8% 0.1007 -0.1476)
OKLCH	oklch(38.8% 0.179 304.3)
XYZ	xyz(9.5978, 4.8606, 26.4138)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B188F #4C8F18

analogous

#20188F #5B188F #8F1887

triadic

#5B188F #8F5B18 #188F5B

tetradic

#5B188F #8F2018 #4C8F18 #18878F

square

#5B188F #8F2018 #4C8F18 #18878F

split-complementary

#5B188F #878F18 #188F20

monochromatic

#180626 #3A0F5B #5B188F #7C21C3 #9B42DF

Accessibility & contrast

On white

10.65

#5B188F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#5B188F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B188F

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B188F	#FFFFFF	#000000	##FFFFFF
##5B188F	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D92

Deuteranopia (green-blind)

#003E8D

Tritanopia (blue-blind)

#513955

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #5b188f;
/* rgb */ color: rgb(91, 24, 143);
/* oklch */ color: oklch(38.8% 0.179 304.3);

Tailwind

colors: {
  custom: {
    50: '#8f5fb1',
    500: '#5b188f',
    950: '#000000',
  },
}

SCSS

$custom: #5b188f;
$custom-light: #8f5fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#5b188f",
  "rgb": {
    "r": 91,
    "g": 24,
    "b": 143
  },
  "hsl": {
    "h": 273.782,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38804,
    "c": 0.1787,
    "h": 304.3
  },
  "luminance": 0.04861
}

Semantic roles & 50–950 ramp

primary

#5B188F

secondary

#7AC043

accent

#EE3A89

background

#F9F5FB

surface

#F1EAF6

border

#CBC6D0

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #5B188F

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

Preview Lab → · Contrast checker → · Palette generator →