#5A188F#5A188F

#5A188F is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.7% C 0.178 H 303.8°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#5A188F
RGB	rgb(90, 24, 143)
HSL	hsl(273, 71%, 33%)
HSV	hsv(273, 83%, 56%)
CMYK	cmyk(37.1%, 83.2%, 0%, 43.9%)
CIE-LAB	lab(26.19, 50.20, -51.99)
CIE-LCH	lch(26.19, 72.27, 314.00°)
OKLab	oklab(38.67% 0.0992 -0.1484)
OKLCH	oklch(38.67% 0.178 303.8)
XYZ	xyz(9.4998, 4.8101, 26.4092)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A188F #4D8F18

analogous

#1E188F #5A188F #8F1888

triadic

#5A188F #8F5A18 #188F5A

tetradic

#5A188F #8F1E18 #4D8F18 #18888F

square

#5A188F #8F1E18 #4D8F18 #18888F

split-complementary

#5A188F #888F18 #188F1E

monochromatic

#180626 #390F5B #5A188F #7B21C3 #9942DF

Accessibility & contrast

On white

10.70

#5A188F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#5A188F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5A188F

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A188F	#FFFFFF	#000000	##FFFFFF
##5A188F	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D92

Deuteranopia (green-blind)

#003E8D

Tritanopia (blue-blind)

#4F3955

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #5a188f;
/* rgb */ color: rgb(90, 24, 143);
/* oklch */ color: oklch(38.7% 0.178 303.8);

Tailwind

colors: {
  custom: {
    50: '#8e5fb1',
    500: '#5a188f',
    950: '#000000',
  },
}

SCSS

$custom: #5a188f;
$custom-light: #8e5fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#5a188f",
  "rgb": {
    "r": 90,
    "g": 24,
    "b": 143
  },
  "hsl": {
    "h": 273.277,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38671,
    "c": 0.17849,
    "h": 303.8
  },
  "luminance": 0.0481
}

Semantic roles & 50–950 ramp

primary

#5A188F

secondary

#7BC043

accent

#EE3A8A

background

#F9F5FB

surface

#F1EAF6

border

#CBC6D0

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #5A188F

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

Preview Lab → · Contrast checker → · Palette generator →