#661C74#661C74

#661C74 is a dark, vivid purple. Relative luminance 0.049; OKLCH L 38.6% C 0.152 H 320.7°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#661C74
RGB	rgb(102, 28, 116)
HSL	hsl(290, 61%, 28%)
HSV	hsv(290, 76%, 45%)
CMYK	cmyk(12.1%, 75.9%, 0%, 54.5%)
CIE-LAB	lab(26.50, 45.12, -34.41)
CIE-LCH	lch(26.50, 56.74, 322.67°)
OKLab	oklab(38.62% 0.1179 -0.0963)
OKLCH	oklch(38.62% 0.152 320.7)
XYZ	xyz(9.0468, 4.9167, 16.9921)
Luminance	0.0492 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C74 #2A741C

analogous

#3A1C74 #661C74 #741C56

triadic

#661C74 #74661C #1C7466

tetradic

#661C74 #743A1C #2A741C #1C5674

square

#661C74 #743A1C #2A741C #1C5674

split-complementary

#661C74 #56741C #1C743A

monochromatic

#160619 #3B1043 #661C74 #9128A5 #B83BD0

Accessibility & contrast

On white

10.59

#661C74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#661C74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C74

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C74	#FFFFFF	#000000	##FFFFFF
##661C74	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A76

Deuteranopia (green-blind)

#264172

Tritanopia (blue-blind)

#672D46

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #661c74;
/* rgb */ color: rgb(102, 28, 116);
/* oklch */ color: oklch(38.6% 0.152 320.7);

Tailwind

colors: {
  custom: {
    50: '#95609c',
    500: '#661c74',
    950: '#000000',
  },
}

SCSS

$custom: #661c74;
$custom-light: #95609c;
$custom-dark: #000000;

JSON

{
  "hex": "#661c74",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 116
  },
  "hsl": {
    "h": 290.455,
    "s": 61.111,
    "l": 28.235
  },
  "oklch": {
    "l": 0.38616,
    "c": 0.15225,
    "h": 320.7
  },
  "luminance": 0.04916
}

Semantic roles & 50–950 ramp

primary

#661C74

secondary

#54A843

accent

#E4445D

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0E050E

muted

#7E797E

Preview Lab

Preview with #661C74

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

Preview Lab → · Contrast checker → · Palette generator →