#66138E#66138E

#66138E is a dark, vivid purple. Relative luminance 0.052; OKLCH L 39.9% C 0.185 H 310.7°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#66138E
RGB	rgb(102, 19, 142)
HSL	hsl(280, 76%, 32%)
HSV	hsv(280, 87%, 56%)
CMYK	cmyk(28.2%, 86.6%, 0%, 44.3%)
CIE-LAB	lab(27.42, 53.48, -49.28)
CIE-LCH	lch(27.42, 72.72, 317.34°)
OKLab	oklab(39.88% 0.1205 -0.1399)
OKLCH	oklch(39.88% 0.185 310.7)
XYZ	xyz(10.5939, 5.2438, 26.0400)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66138E #3B8E13

analogous

#29138E #66138E #8E1379

triadic

#66138E #8E6613 #138E66

tetradic

#66138E #8E2913 #3B8E13 #13798E

square

#66138E #8E2913 #3B8E13 #13798E

split-complementary

#66138E #798E13 #138E29

monochromatic

#180522 #3F0C58 #66138E #8D1AC4 #AC37E4

Accessibility & contrast

On white

10.25

#66138E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#66138E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66138E

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66138E	#FFFFFF	#000000	##FFFFFF
##66138E	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D91

Deuteranopia (green-blind)

#00428C

Tritanopia (blue-blind)

#603553

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #66138e;
/* rgb */ color: rgb(102, 19, 142);
/* oklch */ color: oklch(39.9% 0.185 310.7);

Tailwind

colors: {
  custom: {
    50: '#975eb0',
    500: '#66138e',
    950: '#000000',
  },
}

SCSS

$custom: #66138e;
$custom-light: #975eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#66138e",
  "rgb": {
    "r": 102,
    "g": 19,
    "b": 142
  },
  "hsl": {
    "h": 280.488,
    "s": 76.398,
    "l": 31.569
  },
  "oklch": {
    "l": 0.3988,
    "c": 0.18467,
    "h": 310.7
  },
  "luminance": 0.05244
}

Semantic roles & 50–950 ramp

primary

#66138E

secondary

#67C23B

accent

#F33573

background

#F9F5FA

surface

#F2EAF5

border

#CCC6CF

text

#0E0511

muted

#7E7980

Preview Lab

Preview with #66138E

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

Preview Lab → · Contrast checker → · Palette generator →