#6655EF#6655EF

#6655EF is a mid, highly saturated blue. Relative luminance 0.156; OKLCH L 55.8% C 0.221 H 281.5°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX#6655EF
RGBrgb(102, 85, 239)
HSLhsl(247, 83%, 64%)
HSVhsv(247, 64%, 94%)
CMYKcmyk(57.3%, 64.4%, 0%, 6.3%)
CIE-LABlab(46.38, 48.47, -75.41)
CIE-LCHlch(46.38, 89.65, 302.73°)
OKLaboklab(55.82% 0.044 -0.217)
OKLCHoklch(55.82% 0.221 281.5)
XYZxyz(24.3031, 15.5522, 83.3658)
Luminance0.1555 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6655EF #DEEF55
analogous
#5591EF #6655EF #B355EF
triadic
#6655EF #EF6655 #55EF66
tetradic
#6655EF #EF5591 #DEEF55 #55EFB3
square
#6655EF #EF5591 #DEEF55 #55EFB3
split-complementary
#6655EF #EFB355 #91EF55
monochromatic
#2411B8 #341DEA #6655EF #988DF4 #CBC5FA

Accessibility & contrast

On white

5.11
#6655EF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.11
#6655EF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6655EF
5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6655EF#FFFFFF#000000##FFFFFF
##6655EF1.005.114.115.11
#FFFFFF5.111.0021.001.00
#0000004.1121.001.0021.00
##FFFFFF5.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0073F4
Deuteranopia (green-blind)
#0068EC
Tritanopia (blue-blind)
#117C9B
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #6655ef;
/* rgb */ color: rgb(102, 85, 239);
/* oklch */ color: oklch(55.8% 0.221 281.5);
Tailwind
colors: {
  custom: {
    50: '#9e86f5',
    500: '#6655ef',
    950: '#000000',
  },
}
SCSS
$custom: #6655ef;
$custom-light: #9e86f5;
$custom-dark: #000000;
JSON
{
  "hex": "#6655ef",
  "rgb": {
    "r": 102,
    "g": 85,
    "b": 239
  },
  "hsl": {
    "h": 246.623,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.55821,
    "c": 0.22138,
    "h": 281.5
  },
  "luminance": 0.15554
}

Semantic roles & 50–950 ramp

primary
#6655EF
secondary
#E5EBB5
accent
#DF06C7
background
#FAF8FF
surface
#F4EFFF
border
#CECAD7
text
#100B17
muted
#7F7C85

Preview Lab

Preview with #6655EF

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

Preview Lab → · Contrast checker → · Palette generator →

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