#669DCF#669DCF

#669DCF is a light, moderate cyan. Relative luminance 0.314; OKLCH L 67.8% C 0.095 H 247.1°. Best body text is #000000 at 7.29:1 contrast (WCAG AA passes).

Color values

HEX#669DCF
RGBrgb(102, 157, 207)
HSLhsl(209, 52%, 61%)
HSVhsv(209, 51%, 81%)
CMYKcmyk(50.7%, 24.2%, 0%, 18.8%)
CIE-LABlab(62.88, -4.18, -31.16)
CIE-LCHlch(62.88, 31.44, 262.36°)
OKLaboklab(67.79% -0.0368 -0.0871)
OKLCHoklch(67.79% 0.095 247.1)
XYZxyz(28.7950, 31.4415, 63.5708)
Luminance0.3144 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669DCF #CF9866
analogous
#66CFCC #669DCF #6668CF
triadic
#669DCF #CF669D #9DCF66
tetradic
#669DCF #CC66CF #CF9866 #68CF66
square
#669DCF #CC66CF #CF9866 #68CF66
split-complementary
#669DCF #CF6668 #CFCC66
monochromatic
#2D608E #3B7FBD #669DCF #95BBDE #C3D9EC

Accessibility & contrast

On white

2.88
#669DCF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.29
#669DCF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DCF
7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669DCF#FFFFFF#000000##000000
##669DCF1.002.887.297.29
#FFFFFF2.881.0021.0021.00
#0000007.2921.001.001.00
##0000007.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#889ED1
Deuteranopia (green-blind)
#7B93CE
Tritanopia (blue-blind)
#30A9AE
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #669dcf;
/* rgb */ color: rgb(102, 157, 207);
/* oklch */ color: oklch(67.8% 0.095 247.1);
Tailwind
colors: {
  custom: {
    50: '#98b9de',
    500: '#669dcf',
    950: '#000000',
  },
}
SCSS
$custom: #669dcf;
$custom-light: #98b9de;
$custom-dark: #000000;
JSON
{
  "hex": "#669dcf",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 207
  },
  "hsl": {
    "h": 208.571,
    "s": 52.239,
    "l": 60.588
  },
  "oklch": {
    "l": 0.67786,
    "c": 0.09451,
    "h": 247.1
  },
  "luminance": 0.31444
}

Semantic roles & 50–950 ramp

primary
#669DCF
secondary
#DCC7B4
accent
#6F26C0
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0E1115
muted
#7E8083

Preview Lab

Preview with #669DCF

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

Preview Lab → · Contrast checker → · Palette generator →

#669DCF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva