#661C6C#661C6C

#661C6C is a dark, vivid purple. Relative luminance 0.047; OKLCH L 38.1% C 0.145 H 324.7°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX#661C6C
RGBrgb(102, 28, 108)
HSLhsl(296, 59%, 27%)
HSVhsv(296, 74%, 42%)
CMYKcmyk(5.6%, 74.1%, 0%, 57.6%)
CIE-LABlab(25.98, 43.55, -30.10)
CIE-LCHlch(25.98, 52.94, 325.35°)
OKLaboklab(38.08% 0.1183 -0.0838)
OKLCHoklch(38.08% 0.145 324.7)
XYZxyz(8.6013, 4.7385, 14.6460)
Luminance0.0474 (WCAG relative)
Temperatureneutral
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#661C6C #226C1C
analogous
#3E1C6C #661C6C #6C1C4A
triadic
#661C6C #6C661C #1C6C66
tetradic
#661C6C #6C3E1C #226C1C #1C4A6C
square
#661C6C #6C3E1C #226C1C #1C4A6C
split-complementary
#661C6C #4A6C1C #1C6C3E
monochromatic
#170618 #380F3B #661C6C #94299D #C037CB

Accessibility & contrast

On white

10.78
#661C6C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.95
#661C6C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C6C
10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##661C6C#FFFFFF#000000##FFFFFF
##661C6C1.0010.781.9510.78
#FFFFFF10.781.0021.001.00
#0000001.9521.001.0021.00
##FFFFFF10.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#06386E
Deuteranopia (green-blind)
#2B416A
Tritanopia (blue-blind)
#682942
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #661c6c;
/* rgb */ color: rgb(102, 28, 108);
/* oklch */ color: oklch(38.1% 0.145 324.7);
Tailwind
colors: {
  custom: {
    50: '#956096',
    500: '#661c6c',
    950: '#000000',
  },
}
SCSS
$custom: #661c6c;
$custom-light: #956096;
$custom-dark: #000000;
JSON
{
  "hex": "#661c6c",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 108
  },
  "hsl": {
    "h": 295.5,
    "s": 58.824,
    "l": 26.667
  },
  "oklch": {
    "l": 0.38078,
    "c": 0.14494,
    "h": 324.7
  },
  "luminance": 0.04738
}

Semantic roles & 50–950 ramp

primary
#661C6C
secondary
#4AA143
accent
#E24651
background
#F9F5F9
surface
#F2EAF2
border
#CCC6CC
text
#0E050D
muted
#7E797E

Preview Lab

Preview with #661C6C

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

Preview Lab → · Contrast checker → · Palette generator →

#661C6C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva