#6665DD#6665DD

#6665DD is a mid, vivid blue. Relative luminance 0.174; OKLCH L 57.1% C 0.178 H 279.5°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX#6665DD
RGBrgb(102, 101, 221)
HSLhsl(241, 64%, 63%)
HSVhsv(241, 54%, 87%)
CMYKcmyk(53.8%, 54.3%, 0%, 13.3%)
CIE-LABlab(48.70, 33.51, -61.49)
CIE-LCHlch(48.70, 70.03, 298.59°)
OKLaboklab(57.12% 0.0295 -0.1759)
OKLCHoklch(57.12% 0.178 279.5)
XYZxyz(23.1802, 17.3511, 70.5202)
Luminance0.1735 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6665DD #DCDD65
analogous
#65A0DD #6665DD #A265DD
triadic
#6665DD #DD6665 #65DD66
tetradic
#6665DD #DD65A0 #DCDD65 #65DDA2
square
#6665DD #DD65A0 #DCDD65 #65DDA2
split-complementary
#6665DD #DDA265 #A0DD65
monochromatic
#2524A4 #3433D2 #6665DD #9897E8 #CAC9F3

Accessibility & contrast

On white

4.70
#6665DD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.47
#6665DD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6665DD
4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6665DD#FFFFFF#000000##FFFFFF
##6665DD1.004.704.474.70
#FFFFFF4.701.0021.001.00
#0000004.4721.001.0021.00
##FFFFFF4.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1878E1
Deuteranopia (green-blind)
#006FDA
Tritanopia (blue-blind)
#2E8097
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #6665dd;
/* rgb */ color: rgb(102, 101, 221);
/* oklch */ color: oklch(57.1% 0.178 279.5);
Tailwind
colors: {
  custom: {
    50: '#9b91e8',
    500: '#6665dd',
    950: '#000000',
  },
}
SCSS
$custom: #6665dd;
$custom-light: #9b91e8;
$custom-dark: #000000;
JSON
{
  "hex": "#6665dd",
  "rgb": {
    "r": 102,
    "g": 101,
    "b": 221
  },
  "hsl": {
    "h": 240.5,
    "s": 63.83,
    "l": 63.137
  },
  "oklch": {
    "l": 0.57116,
    "c": 0.1784,
    "h": 279.5
  },
  "luminance": 0.17353
}

Semantic roles & 50–950 ramp

primary
#6665DD
secondary
#E4E4B9
accent
#CC1ACA
background
#FAF8FE
surface
#F3F0FD
border
#CDCBD5
text
#0F0C16
muted
#7F7D84

Preview Lab

Preview with #6665DD

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

Preview Lab → · Contrast checker → · Palette generator →

#6665DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva