#6655EE#6655EE

#6655EE is a mid, highly saturated blue. Relative luminance 0.155; OKLCH L 55.7% C 0.220 H 281.6°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX#6655EE
RGBrgb(102, 85, 238)
HSLhsl(247, 82%, 63%)
HSVhsv(247, 64%, 93%)
CMYKcmyk(57.1%, 64.3%, 0%, 6.7%)
CIE-LABlab(46.30, 48.17, -74.98)
CIE-LCHlch(46.30, 89.12, 302.72°)
OKLaboklab(55.74% 0.0441 -0.2157)
OKLCHoklch(55.74% 0.22 281.6)
XYZxyz(24.1558, 15.4932, 82.5899)
Luminance0.1550 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6655EE #DDEE55
analogous
#5590EE #6655EE #B355EE
triadic
#6655EE #EE6655 #55EE66
tetradic
#6655EE #EE5590 #DDEE55 #55EEB3
square
#6655EE #EE5590 #DDEE55 #55EEB3
split-complementary
#6655EE #EEB355 #90EE55
monochromatic
#2412B6 #341DE8 #6655EE #988DF4 #CAC4F9

Accessibility & contrast

On white

5.12
#6655EE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.10
#6655EE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6655EE
5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6655EE#FFFFFF#000000##FFFFFF
##6655EE1.005.124.105.12
#FFFFFF5.121.0021.001.00
#0000004.1021.001.0021.00
##FFFFFF5.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0073F3
Deuteranopia (green-blind)
#0068EB
Tritanopia (blue-blind)
#147C9A
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #6655ee;
/* rgb */ color: rgb(102, 85, 238);
/* oklch */ color: oklch(55.7% 0.220 281.6);
Tailwind
colors: {
  custom: {
    50: '#9e86f5',
    500: '#6655ee',
    950: '#000000',
  },
}
SCSS
$custom: #6655ee;
$custom-light: #9e86f5;
$custom-dark: #000000;
JSON
{
  "hex": "#6655ee",
  "rgb": {
    "r": 102,
    "g": 85,
    "b": 238
  },
  "hsl": {
    "h": 246.667,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.5574,
    "c": 0.22016,
    "h": 281.6
  },
  "luminance": 0.15495
}

Semantic roles & 50–950 ramp

primary
#6655EE
secondary
#E5EBB4
accent
#DE07C6
background
#FAF8FF
surface
#F4EFFE
border
#CECAD6
text
#100B17
muted
#7F7C85

Preview Lab

Preview with #6655EE

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

Preview Lab → · Contrast checker → · Palette generator →

#6655EE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva