#5A188A#5A188A

#5A188A is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.2% C 0.174 H 305.5°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#5A188A
RGB	rgb(90, 24, 138)
HSL	hsl(275, 70%, 32%)
HSV	hsv(275, 83%, 54%)
CMYK	cmyk(34.8%, 82.6%, 0%, 45.9%)
CIE-LAB	lab(25.75, 49.03, -49.60)
CIE-LCH	lch(25.75, 69.74, 314.67°)
OKLab	oklab(38.23% 0.1008 -0.1413)
OKLCH	oklch(38.23% 0.174 305.5)
XYZ	xyz(9.1295, 4.6620, 24.4587)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.95

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A188A #488A18

analogous

#21188A #5A188A #8A1881

triadic

#5A188A #8A5A18 #188A5A

tetradic

#5A188A #8A2118 #488A18 #18818A

square

#5A188A #8A2118 #488A18 #18818A

split-complementary

#5A188A #818A18 #188A21

monochromatic

#160622 #380F56 #5A188A #7C21BE #9B3FDE

Accessibility & contrast

On white

10.87

#5A188A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#5A188A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5A188A

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A188A	#FFFFFF	#000000	##FFFFFF
##5A188A	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8D

Deuteranopia (green-blind)

#003D88

Tritanopia (blue-blind)

#513752

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #5a188a;
/* rgb */ color: rgb(90, 24, 138);
/* oklch */ color: oklch(38.2% 0.174 305.5);

Tailwind

colors: {
  custom: {
    50: '#8e5ead',
    500: '#5a188a',
    950: '#000000',
  },
}

SCSS

$custom: #5a188a;
$custom-light: #8e5ead;
$custom-dark: #000000;

JSON

{
  "hex": "#5a188a",
  "rgb": {
    "r": 90,
    "g": 24,
    "b": 138
  },
  "hsl": {
    "h": 274.737,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.38232,
    "c": 0.17356,
    "h": 305.5
  },
  "luminance": 0.04662
}

Semantic roles & 50–950 ramp

primary

#5A188A

secondary

#75BD40

accent

#ED3B86

background

#F9F5FA

surface

#F1EAF4

border

#CBC6CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #5A188A

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

Preview Lab → · Contrast checker → · Palette generator →