#661978#661978

#661978 is a dark, vivid purple. Relative luminance 0.049; OKLCH L 38.6% C 0.159 H 319.1°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#661978
RGB	rgb(102, 25, 120)
HSL	hsl(289, 66%, 28%)
HSV	hsv(289, 79%, 47%)
CMYK	cmyk(15%, 79.2%, 0%, 52.9%)
CIE-LAB	lab(26.38, 47.04, -37.14)
CIE-LCH	lch(26.38, 59.94, 321.70°)
OKLab	oklab(38.62% 0.1204 -0.1043)
OKLCH	oklch(38.62% 0.159 319.1)
XYZ	xyz(9.2168, 4.8766, 18.2214)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661978 #2B7819

analogous

#371978 #661978 #78195A

triadic

#661978 #786619 #197866

tetradic

#661978 #783719 #2B7819 #195A78

square

#661978 #783719 #2B7819 #195A78

split-complementary

#661978 #5A7819 #197837

monochromatic

#160519 #3B0E45 #661978 #9124AB #B736D5

Accessibility & contrast

On white

10.63

#661978 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#661978 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661978

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661978	#FFFFFF	#000000	##FFFFFF
##661978	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397B

Deuteranopia (green-blind)

#204176

Tritanopia (blue-blind)

#662D48

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #661978;
/* rgb */ color: rgb(102, 25, 120);
/* oklch */ color: oklch(38.6% 0.159 319.1);

Tailwind

colors: {
  custom: {
    50: '#955f9f',
    500: '#661978',
    950: '#000000',
  },
}

SCSS

$custom: #661978;
$custom-light: #955f9f;
$custom-dark: #000000;

JSON

{
  "hex": "#661978",
  "rgb": {
    "r": 102,
    "g": 25,
    "b": 120
  },
  "hsl": {
    "h": 288.632,
    "s": 65.517,
    "l": 28.431
  },
  "oklch": {
    "l": 0.38622,
    "c": 0.15934,
    "h": 319.1
  },
  "luminance": 0.04876
}

Semantic roles & 50–950 ramp

primary

#661978

secondary

#55AD40

accent

#E83F5F

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0E050F

muted

#7E797E

Preview Lab

Preview with #661978

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

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