#51188E#51188E

#51188E is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.4% C 0.176 H 299.2°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#51188E
RGB	rgb(81, 24, 142)
HSL	hsl(269, 71%, 33%)
HSV	hsv(269, 83%, 56%)
CMYK	cmyk(43%, 83.1%, 0%, 44.3%)
CIE-LAB	lab(24.81, 48.56, -53.67)
CIE-LCH	lch(24.81, 72.38, 312.14°)
OKLab	oklab(37.42% 0.0857 -0.1536)
OKLCH	oklch(37.42% 0.176 299.2)
XYZ	xyz(8.6012, 4.3555, 25.9735)
Luminance	0.0436 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51188E #558E18

analogous

#181A8E #51188E #8C188E

triadic

#51188E #8E5118 #188E51

tetradic

#51188E #8E181A #558E18 #188E8C

square

#51188E #8E181A #558E18 #188E8C

split-complementary

#51188E #8E8C18 #1A8E18

monochromatic

#150625 #330F5A #51188E #6F21C2 #8E41DF

Accessibility & contrast

On white

11.22

#51188E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#51188E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51188E

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51188E	#FFFFFF	#000000	##FFFFFF
##51188E	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B91

Deuteranopia (green-blind)

#003A8C

Tritanopia (blue-blind)

#423A54

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #51188e;
/* rgb */ color: rgb(81, 24, 142);
/* oklch */ color: oklch(37.4% 0.176 299.2);

Tailwind

colors: {
  custom: {
    50: '#895db0',
    500: '#51188e',
    950: '#000000',
  },
}

SCSS

$custom: #51188e;
$custom-light: #895db0;
$custom-dark: #000000;

JSON

{
  "hex": "#51188e",
  "rgb": {
    "r": 81,
    "g": 24,
    "b": 142
  },
  "hsl": {
    "h": 268.983,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.37417,
    "c": 0.17591,
    "h": 299.2
  },
  "luminance": 0.04356
}

Semantic roles & 50–950 ramp

primary

#51188E

secondary

#83C042

accent

#EE3A97

background

#F8F5FB

surface

#F0E9F6

border

#CBC5D0

text

#0C0511

muted

#7D7980

Preview Lab

Preview with #51188E

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

Preview Lab → · Contrast checker → · Palette generator →