#661D88#661D88

#661D88 is a dark, vivid purple. Relative luminance 0.055; OKLCH L 40.2% C 0.170 H 312.2°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX#661D88
RGBrgb(102, 29, 136)
HSLhsl(281, 65%, 32%)
HSVhsv(281, 79%, 53%)
CMYKcmyk(25%, 78.7%, 0%, 46.7%)
CIE-LABlab(28.06, 48.92, -44.50)
CIE-LCHlch(28.06, 66.14, 317.71°)
OKLaboklab(40.18% 0.1141 -0.126)
OKLCHoklch(40.18% 0.17 312.2)
XYZxyz(10.3620, 5.4814, 23.7999)
Luminance0.0548 (WCAG relative)
Temperaturecool
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#661D88 #3F881D
analogous
#311D88 #661D88 #881D74
triadic
#661D88 #88661D #1D8866
tetradic
#661D88 #88311D #3F881D #1D7488
square
#661D88 #88311D #3F881D #1D7488
split-complementary
#661D88 #74881D #1D8831
monochromatic
#1A0723 #401256 #661D88 #8C28BA #AA48D8

Accessibility & contrast

On white

10.02
#661D88 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.10
#661D88 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D88
10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##661D88#FFFFFF#000000##FFFFFF
##661D881.0010.022.1010.02
#FFFFFF10.021.0021.001.00
#0000002.1021.001.0021.00
##FFFFFF10.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003F8B
Deuteranopia (green-blind)
#0B4486
Tritanopia (blue-blind)
#623652
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #661d88;
/* rgb */ color: rgb(102, 29, 136);
/* oklch */ color: oklch(40.2% 0.170 312.2);
Tailwind
colors: {
  custom: {
    50: '#9662ab',
    500: '#661d88',
    950: '#000000',
  },
}
SCSS
$custom: #661d88;
$custom-light: #9662ab;
$custom-dark: #000000;
JSON
{
  "hex": "#661d88",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 136
  },
  "hsl": {
    "h": 280.935,
    "s": 64.848,
    "l": 32.353
  },
  "oklch": {
    "l": 0.40183,
    "c": 0.16998,
    "h": 312.2
  },
  "luminance": 0.05481
}

Semantic roles & 50–950 ramp

primary
#661D88
secondary
#6BBA47
accent
#E84075
background
#F9F6FA
surface
#F2EBF4
border
#CCC6CE
text
#0E0510
muted
#7E7A7F

Preview Lab

Preview with #661D88

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

Preview Lab → · Contrast checker → · Palette generator →

#661D88 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva