#6C66CE#6C66CE

#6C66CE is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.7% C 0.156 H 282.8°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX#6C66CE
RGBrgb(108, 102, 206)
HSLhsl(243, 51%, 60%)
HSVhsv(243, 50%, 81%)
CMYKcmyk(47.6%, 50.5%, 0%, 19.2%)
CIE-LABlab(48.44, 29.56, -53.34)
CIE-LCHlch(48.44, 60.98, 299.00°)
OKLaboklab(56.73% 0.0346 -0.1518)
OKLCHoklch(56.73% 0.156 282.8)
XYZxyz(22.0730, 17.1460, 60.5270)
Luminance0.1715 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6C66CE #C8CE66
analogous
#6694CE #6C66CE #A066CE
triadic
#6C66CE #CE6C66 #66CE6C
tetradic
#6C66CE #CE6694 #C8CE66 #66CEA0
square
#6C66CE #CE6694 #C8CE66 #66CEA0
split-complementary
#6C66CE #CEA066 #94CE66
monochromatic
#332D8D #433CBB #6C66CE #9994DD #C5C3EC

Accessibility & contrast

On white

4.74
#6C66CE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.43
#6C66CE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6C66CE
4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6C66CE#FFFFFF#000000##FFFFFF
##6C66CE1.004.744.434.74
#FFFFFF4.741.0021.001.00
#0000004.4321.001.0021.00
##FFFFFF4.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3677D2
Deuteranopia (green-blind)
#2F70CC
Tritanopia (blue-blind)
#4A7C90
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #6c66ce;
/* rgb */ color: rgb(108, 102, 206);
/* oklch */ color: oklch(56.7% 0.156 282.8);
Tailwind
colors: {
  custom: {
    50: '#9c91dd',
    500: '#6c66ce',
    950: '#000000',
  },
}
SCSS
$custom: #6c66ce;
$custom-light: #9c91dd;
$custom-dark: #000000;
JSON
{
  "hex": "#6c66ce",
  "rgb": {
    "r": 108,
    "g": 102,
    "b": 206
  },
  "hsl": {
    "h": 243.462,
    "s": 51.485,
    "l": 60.392
  },
  "oklch": {
    "l": 0.56734,
    "c": 0.15571,
    "h": 282.8
  },
  "luminance": 0.17147
}

Semantic roles & 50–950 ramp

primary
#6C66CE
secondary
#D9DCB4
accent
#BF27B6
background
#FAF8FD
surface
#F3F0FB
border
#CDCBD4
text
#0F0D15
muted
#7F7D83

Preview Lab

Preview with #6C66CE

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

Preview Lab → · Contrast checker → · Palette generator →

#6C66CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva