#5B188C#5B188C

#5B188C is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.5% C 0.176 H 305.3°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#5B188C
RGB	rgb(91, 24, 140)
HSL	hsl(275, 71%, 32%)
HSV	hsv(275, 83%, 55%)
CMYK	cmyk(35%, 82.9%, 0%, 45.1%)
CIE-LAB	lab(26.07, 49.66, -50.31)
CIE-LCH	lch(26.07, 70.69, 314.63°)
OKLab	oklab(38.54% 0.1017 -0.1434)
OKLCH	oklch(38.54% 0.176 305.3)
XYZ	xyz(9.3736, 4.7709, 25.2329)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B188C #498C18

analogous

#21188C #5B188C #8C1883

triadic

#5B188C #8C5B18 #188C5B

tetradic

#5B188C #8C2118 #498C18 #18838C

square

#5B188C #8C2118 #498C18 #18838C

split-complementary

#5B188C #838C18 #188C21

monochromatic

#170624 #390F58 #5B188C #7D21C0 #9B40DE

Accessibility & contrast

On white

10.75

#5B188C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#5B188C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B188C

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B188C	#FFFFFF	#000000	##FFFFFF
##5B188C	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8F

Deuteranopia (green-blind)

#003E8A

Tritanopia (blue-blind)

#523853

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #5b188c;
/* rgb */ color: rgb(91, 24, 140);
/* oklch */ color: oklch(38.5% 0.176 305.3);

Tailwind

colors: {
  custom: {
    50: '#8f5eae',
    500: '#5b188c',
    950: '#000000',
  },
}

SCSS

$custom: #5b188c;
$custom-light: #8f5eae;
$custom-dark: #000000;

JSON

{
  "hex": "#5b188c",
  "rgb": {
    "r": 91,
    "g": 24,
    "b": 140
  },
  "hsl": {
    "h": 274.655,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.38541,
    "c": 0.17576,
    "h": 305.3
  },
  "luminance": 0.04771
}

Semantic roles & 50–950 ramp

primary

#5B188C

secondary

#76BF41

accent

#ED3A86

background

#F9F5FA

surface

#F1EAF4

border

#CBC6CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #5B188C

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

Preview Lab → · Contrast checker → · Palette generator →