#5A178F#5A178F

#5A178F is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.6% C 0.179 H 303.9°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#5A178F
RGB	rgb(90, 23, 143)
HSL	hsl(274, 72%, 33%)
HSV	hsv(274, 84%, 56%)
CMYK	cmyk(37.1%, 83.9%, 0%, 43.9%)
CIE-LAB	lab(26.07, 50.55, -52.19)
CIE-LCH	lch(26.07, 72.65, 314.09°)
OKLab	oklab(38.59% 0.1 -0.1489)
OKLCH	oklch(38.59% 0.179 303.9)
XYZ	xyz(9.4796, 4.7696, 26.4025)
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

#5A178F #4C8F17

analogous

#1E178F #5A178F #8F1788

triadic

#5A178F #8F5A17 #178F5A

tetradic

#5A178F #8F1E17 #4C8F17 #17888F

square

#5A178F #8F1E17 #4C8F17 #17888F

split-complementary

#5A178F #888F17 #178F1E

monochromatic

#180626 #390F5A #5A178F #7B1FC4 #9A40E0

Accessibility & contrast

On white

10.75

#5A178F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#5A178F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5A178F

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A178F	#FFFFFF	#000000	##FFFFFF
##5A178F	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)

#003C92

Deuteranopia (green-blind)

#003E8D

Tritanopia (blue-blind)

#4F3955

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #5a178f;
/* rgb */ color: rgb(90, 23, 143);
/* oklch */ color: oklch(38.6% 0.179 303.9);

Tailwind

colors: {
  custom: {
    50: '#8e5eb1',
    500: '#5a178f',
    950: '#000000',
  },
}

SCSS

$custom: #5a178f;
$custom-light: #8e5eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#5a178f",
  "rgb": {
    "r": 90,
    "g": 23,
    "b": 143
  },
  "hsl": {
    "h": 273.5,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.38589,
    "c": 0.17937,
    "h": 303.9
  },
  "luminance": 0.0477
}

Semantic roles & 50–950 ramp

primary

#5A178F

secondary

#79C141

accent

#EF3989

background

#F9F5FB

surface

#F1EAF6

border

#CBC6D0

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #5A178F

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

Preview Lab → · Contrast checker → · Palette generator →