#668FCD#668FCD

#668FCD is a light, moderate blue. Relative luminance 0.269; OKLCH L 64.6% C 0.104 H 258.4°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX#668FCD
RGBrgb(102, 143, 205)
HSLhsl(216, 51%, 60%)
HSVhsv(216, 50%, 80%)
CMYKcmyk(50.2%, 30.2%, 0%, 19.6%)
CIE-LABlab(58.86, 3.22, -36.30)
CIE-LCHlch(58.86, 36.44, 275.07°)
OKLaboklab(64.6% -0.0209 -0.1019)
OKLCHoklch(64.6% 0.104 258.4)
XYZxyz(26.3177, 26.8756, 61.5465)
Luminance0.2688 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668FCD #CDA466
analogous
#66C2CD #668FCD #7166CD
triadic
#668FCD #CD668F #8FCD66
tetradic
#668FCD #CD66C2 #CDA466 #66CD71
square
#668FCD #CD66C2 #CDA466 #66CD71
split-complementary
#668FCD #CD7166 #C2CD66
monochromatic
#2D538B #3D6EB9 #668FCD #94B1DC #C2D3EB

Accessibility & contrast

On white

3.29
#668FCD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.38
#668FCD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FCD
6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668FCD#FFFFFF#000000##000000
##668FCD1.003.296.386.38
#FFFFFF3.291.0021.0021.00
#0000006.3821.001.001.00
##0000006.3821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7793D0
Deuteranopia (green-blind)
#6B89CC
Tritanopia (blue-blind)
#369DA5
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #668fcd;
/* rgb */ color: rgb(102, 143, 205);
/* oklch */ color: oklch(64.6% 0.104 258.4);
Tailwind
colors: {
  custom: {
    50: '#97afdc',
    500: '#668fcd',
    950: '#000000',
  },
}
SCSS
$custom: #668fcd;
$custom-light: #97afdc;
$custom-dark: #000000;
JSON
{
  "hex": "#668fcd",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 205
  },
  "hsl": {
    "h": 216.117,
    "s": 50.739,
    "l": 60.196
  },
  "oklch": {
    "l": 0.64604,
    "c": 0.10403,
    "h": 258.4
  },
  "luminance": 0.26877
}

Semantic roles & 50–950 ramp

primary
#668FCD
secondary
#DBCBB4
accent
#8227BE
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83

Preview Lab

Preview with #668FCD

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

Preview Lab → · Contrast checker → · Palette generator →

#668FCD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva