#5A178E#5A178E

#5A178E is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.5% C 0.178 H 304.2°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#5A178E
RGB	rgb(90, 23, 142)
HSL	hsl(274, 72%, 32%)
HSV	hsv(274, 84%, 56%)
CMYK	cmyk(36.6%, 83.8%, 0%, 44.3%)
CIE-LAB	lab(25.98, 50.31, -51.71)
CIE-LCH	lch(25.98, 72.15, 314.22°)
OKLab	oklab(38.5% 0.1003 -0.1475)
OKLCH	oklch(38.5% 0.178 304.2)
XYZ	xyz(9.4042, 4.7395, 26.0053)
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

#5A178E #4B8E17

analogous

#1F178E #5A178E #8E1786

triadic

#5A178E #8E5A17 #178E5A

tetradic

#5A178E #8E1F17 #4B8E17 #17868E

square

#5A178E #8E1F17 #4B8E17 #17868E

split-complementary

#5A178E #868E17 #178E1F

monochromatic

#170625 #390E59 #5A178E #7B20C3 #9A3FE0

Accessibility & contrast

On white

10.78

#5A178E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#5A178E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5A178E

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A178E	#FFFFFF	#000000	##FFFFFF
##5A178E	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)

#003C91

Deuteranopia (green-blind)

#003D8C

Tritanopia (blue-blind)

#503854

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #5a178e;
/* rgb */ color: rgb(90, 23, 142);
/* oklch */ color: oklch(38.5% 0.178 304.2);

Tailwind

colors: {
  custom: {
    50: '#8e5eb0',
    500: '#5a178e',
    950: '#000000',
  },
}

SCSS

$custom: #5a178e;
$custom-light: #8e5eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#5a178e",
  "rgb": {
    "r": 90,
    "g": 23,
    "b": 142
  },
  "hsl": {
    "h": 273.782,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.385,
    "c": 0.17838,
    "h": 304.2
  },
  "luminance": 0.04739
}

Semantic roles & 50–950 ramp

primary

#5A178E

secondary

#78C040

accent

#EF3988

background

#F9F5FA

surface

#F1EAF5

border

#CBC6CF

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #5A178E

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

Preview Lab → · Contrast checker → · Palette generator →