#66197E#66197E

#66197E is a dark, vivid purple. Relative luminance 0.050; OKLCH L 39.1% C 0.165 H 316.5°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#66197E
RGB	rgb(102, 25, 126)
HSL	hsl(286, 67%, 30%)
HSV	hsv(286, 80%, 49%)
CMYK	cmyk(19%, 80.2%, 0%, 50.6%)
CIE-LAB	lab(26.81, 48.26, -40.25)
CIE-LCH	lch(26.81, 62.85, 320.17°)
OKLab	oklab(39.06% 0.1196 -0.1134)
OKLCH	oklch(39.06% 0.165 316.5)
XYZ	xyz(9.5924, 5.0268, 20.1996)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66197E #317E19

analogous

#34197E #66197E #7E1963

triadic

#66197E #7E6619 #197E66

tetradic

#66197E #7E3419 #317E19 #19637E

square

#66197E #7E3419 #317E19 #19637E

split-complementary

#66197E #637E19 #197E34

monochromatic

#15051A #3D0F4B #66197E #8F23B1 #B23AD8

Accessibility & contrast

On white

10.47

#66197E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#66197E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66197E

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66197E	#FFFFFF	#000000	##FFFFFF
##66197E	1.00	10.47	2.01	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B81

Deuteranopia (green-blind)

#19417C

Tritanopia (blue-blind)

#64304B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #66197e;
/* rgb */ color: rgb(102, 25, 126);
/* oklch */ color: oklch(39.1% 0.165 316.5);

Tailwind

colors: {
  custom: {
    50: '#9560a4',
    500: '#66197e',
    950: '#000000',
  },
}

SCSS

$custom: #66197e;
$custom-light: #9560a4;
$custom-dark: #000000;

JSON

{
  "hex": "#66197e",
  "rgb": {
    "r": 102,
    "g": 25,
    "b": 126
  },
  "hsl": {
    "h": 285.743,
    "s": 66.887,
    "l": 29.608
  },
  "oklch": {
    "l": 0.39063,
    "c": 0.16482,
    "h": 316.5
  },
  "luminance": 0.05026
}

Semantic roles & 50–950 ramp

primary

#66197E

secondary

#5CB241

accent

#EA3E67

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E050F

muted

#7E797F

Preview Lab

Preview with #66197E

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

Preview Lab → · Contrast checker → · Palette generator →