#661778#661778

#661778 is a dark, vivid purple. Relative luminance 0.048; OKLCH L 38.5% C 0.161 H 319.2°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#661778
RGB	rgb(102, 23, 120)
HSL	hsl(289, 68%, 28%)
HSV	hsv(289, 81%, 47%)
CMYK	cmyk(15%, 80.8%, 0%, 52.9%)
CIE-LAB	lab(26.14, 47.73, -37.53)
CIE-LCH	lch(26.14, 60.72, 321.82°)
OKLab	oklab(38.45% 0.1223 -0.1054)
OKLCH	oklch(38.45% 0.161 319.2)
XYZ	xyz(9.1756, 4.7941, 18.2077)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661778 #297817

analogous

#351778 #661778 #781759

triadic

#661778 #786617 #177866

tetradic

#661778 #783517 #297817 #175978

square

#661778 #783517 #297817 #175978

split-complementary

#661778 #597817 #177835

monochromatic

#16051A #3A0D45 #661778 #9221AB #B932D8

Accessibility & contrast

On white

10.72

#661778 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#661778 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661778

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661778	#FFFFFF	#000000	##FFFFFF
##661778	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397B

Deuteranopia (green-blind)

#1F4076

Tritanopia (blue-blind)

#662C47

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #661778;
/* rgb */ color: rgb(102, 23, 120);
/* oklch */ color: oklch(38.5% 0.161 319.2);

Tailwind

colors: {
  custom: {
    50: '#955f9f',
    500: '#661778',
    950: '#000000',
  },
}

SCSS

$custom: #661778;
$custom-light: #955f9f;
$custom-dark: #000000;

JSON

{
  "hex": "#661778",
  "rgb": {
    "r": 102,
    "g": 23,
    "b": 120
  },
  "hsl": {
    "h": 288.866,
    "s": 67.832,
    "l": 28.039
  },
  "oklch": {
    "l": 0.38452,
    "c": 0.16145,
    "h": 319.2
  },
  "luminance": 0.04794
}

Semantic roles & 50–950 ramp

primary

#661778

secondary

#52AD3E

accent

#EB3D5D

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0E050F

muted

#7E797E

Preview Lab

Preview with #661778

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

Preview Lab → · Contrast checker → · Palette generator →