#51188A#51188A

#51188A is a dark, vivid violet. Relative luminance 0.042; OKLCH L 37.0% C 0.172 H 300.4°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#51188A
RGB	rgb(81, 24, 138)
HSL	hsl(270, 70%, 32%)
HSV	hsv(270, 83%, 54%)
CMYK	cmyk(41.3%, 82.6%, 0%, 45.9%)
CIE-LAB	lab(24.44, 47.57, -51.79)
CIE-LCH	lch(24.44, 70.32, 312.57°)
OKLab	oklab(37.05% 0.0871 -0.1481)
OKLCH	oklch(37.05% 0.172 300.4)
XYZ	xyz(8.3063, 4.2375, 24.4201)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51188A #518A18

analogous

#18188A #51188A #8A188A

triadic

#51188A #8A5118 #188A51

tetradic

#51188A #8A1818 #518A18 #188A8A

square

#51188A #8A1818 #518A18 #188A8A

split-complementary

#51188A #8A8A18 #188A18

monochromatic

#140622 #320F56 #51188A #7021BE #8E3FDE

Accessibility & contrast

On white

11.37

#51188A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#51188A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51188A

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51188A	#FFFFFF	#000000	##FFFFFF
##51188A	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8D

Deuteranopia (green-blind)

#003988

Tritanopia (blue-blind)

#443852

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #51188a;
/* rgb */ color: rgb(81, 24, 138);
/* oklch */ color: oklch(37.0% 0.172 300.4);

Tailwind

colors: {
  custom: {
    50: '#885dad',
    500: '#51188a',
    950: '#000000',
  },
}

SCSS

$custom: #51188a;
$custom-light: #885dad;
$custom-dark: #000000;

JSON

{
  "hex": "#51188a",
  "rgb": {
    "r": 81,
    "g": 24,
    "b": 138
  },
  "hsl": {
    "h": 270,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37045,
    "c": 0.17177,
    "h": 300.4
  },
  "luminance": 0.04238
}

Semantic roles & 50–950 ramp

primary

#51188A

secondary

#7FBD40

accent

#ED3B94

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #51188A

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

Preview Lab → · Contrast checker → · Palette generator →