#5A178B#5A178B

#5A178B is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.2% C 0.175 H 305.2°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#5A178B
RGB	rgb(90, 23, 139)
HSL	hsl(275, 72%, 32%)
HSV	hsv(275, 83%, 55%)
CMYK	cmyk(35.3%, 83.5%, 0%, 45.5%)
CIE-LAB	lab(25.72, 49.62, -50.28)
CIE-LCH	lch(25.72, 70.64, 314.62°)
OKLab	oklab(38.24% 0.1012 -0.1433)
OKLCH	oklch(38.24% 0.175 305.2)
XYZ	xyz(9.1820, 4.6506, 24.8350)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.87

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A178B #488B17

analogous

#20178B #5A178B #8B1782

triadic

#5A178B #8B5A17 #178B5A

tetradic

#5A178B #8B2017 #488B17 #17828B

square

#5A178B #8B2017 #488B17 #17828B

split-complementary

#5A178B #828B17 #178B20

monochromatic

#160622 #380E56 #5A178B #7C20C0 #9B3DDF

Accessibility & contrast

On white

10.88

#5A178B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#5A178B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5A178B

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A178B	#FFFFFF	#000000	##FFFFFF
##5A178B	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8E

Deuteranopia (green-blind)

#003D89

Tritanopia (blue-blind)

#513752

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #5a178b;
/* rgb */ color: rgb(90, 23, 139);
/* oklch */ color: oklch(38.2% 0.175 305.2);

Tailwind

colors: {
  custom: {
    50: '#8e5eae',
    500: '#5a178b',
    950: '#000000',
  },
}

SCSS

$custom: #5a178b;
$custom-light: #8e5eae;
$custom-dark: #000000;

JSON

{
  "hex": "#5a178b",
  "rgb": {
    "r": 90,
    "g": 23,
    "b": 139
  },
  "hsl": {
    "h": 274.655,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.38235,
    "c": 0.17545,
    "h": 305.2
  },
  "luminance": 0.04651
}

Semantic roles & 50–950 ramp

primary

#5A178B

secondary

#75BF3F

accent

#EE3986

background

#F9F5FA

surface

#F1E9F4

border

#CBC5CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #5A178B

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

Preview Lab → · Contrast checker → · Palette generator →