#661B68#661B68

#661B68 is a dark, vivid purple. Relative luminance 0.046; OKLCH L 37.7% C 0.143 H 326.8°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX#661B68
RGBrgb(102, 27, 104)
HSLhsl(298, 59%, 26%)
HSVhsv(298, 74%, 41%)
CMYKcmyk(1.9%, 74%, 0%, 59.2%)
CIE-LABlab(25.59, 43.18, -28.13)
CIE-LCHlch(25.59, 51.54, 326.92°)
OKLaboklab(37.72% 0.1194 -0.078)
OKLCHoklch(37.72% 0.143 326.8)
XYZxyz(8.3700, 4.6087, 13.5427)
Luminance0.0461 (WCAG relative)
Temperatureneutral
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#661B68 #1D681B
analogous
#3F1B68 #661B68 #681B43
triadic
#661B68 #68661B #1B6866
tetradic
#661B68 #683F1B #1D681B #1B4368
square
#661B68 #683F1B #1D681B #1B4368
split-complementary
#661B68 #43681B #1B683F
monochromatic
#180618 #360E37 #661B68 #962899 #C534C9

Accessibility & contrast

On white

10.93
#661B68 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.92
#661B68 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B68
10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##661B68#FFFFFF#000000##FFFFFF
##661B681.0010.931.9210.93
#FFFFFF10.931.0021.001.00
#0000001.9221.001.0021.00
##FFFFFF10.931.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0B376A
Deuteranopia (green-blind)
#2D4066
Tritanopia (blue-blind)
#69273F
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #661b68;
/* rgb */ color: rgb(102, 27, 104);
/* oklch */ color: oklch(37.7% 0.143 326.8);
Tailwind
colors: {
  custom: {
    50: '#945f93',
    500: '#661b68',
    950: '#000000',
  },
}
SCSS
$custom: #661b68;
$custom-light: #945f93;
$custom-dark: #000000;
JSON
{
  "hex": "#661b68",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 104
  },
  "hsl": {
    "h": 298.442,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.37721,
    "c": 0.14264,
    "h": 326.8
  },
  "luminance": 0.04608
}

Semantic roles & 50–950 ramp

primary
#661B68
secondary
#449D42
accent
#E2464A
background
#F9F5F9
surface
#F2EAF1
border
#CCC6CB
text
#0E050D
muted
#7E797E

Preview Lab

Preview with #661B68

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

Preview Lab → · Contrast checker → · Palette generator →

#661B68 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva