#669ACE#669ACE

#669ACE is a light, moderate cyan. Relative luminance 0.304; OKLCH L 67.1% C 0.096 H 249.4°. Best body text is #000000 at 7.08:1 contrast (WCAG AA passes).

Color values

HEX#669ACE
RGBrgb(102, 154, 206)
HSLhsl(210, 51%, 60%)
HSVhsv(210, 50%, 81%)
CMYKcmyk(50.5%, 25.2%, 0%, 19.2%)
CIE-LABlab(61.99, -2.79, -31.98)
CIE-LCHlch(61.99, 32.10, 265.02°)
OKLaboklab(67.07% -0.0336 -0.0894)
OKLCHoklch(67.07% 0.096 249.4)
XYZxyz(28.1718, 30.3901, 62.7619)
Luminance0.3039 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669ACE #CE9A66
analogous
#66CECE #669ACE #6666CE
triadic
#669ACE #CE669A #9ACE66
tetradic
#669ACE #CE66CE #CE9A66 #66CE66
square
#669ACE #CE66CE #CE9A66 #66CE66
split-complementary
#669ACE #CE6666 #CECE66
monochromatic
#2D5D8D #3C7BBB #669ACE #94B9DD #C3D7EC

Accessibility & contrast

On white

2.97
#669ACE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.08
#669ACE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669ACE
7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669ACE#FFFFFF#000000##000000
##669ACE1.002.977.087.08
#FFFFFF2.971.0021.0021.00
#0000007.0821.001.001.00
##0000007.0821.001.001.00

Color blindness preview

Protanopia (red-blind)
#859CD0
Deuteranopia (green-blind)
#7891CD
Tritanopia (blue-blind)
#32A6AC
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #669ace;
/* rgb */ color: rgb(102, 154, 206);
/* oklch */ color: oklch(67.1% 0.096 249.4);
Tailwind
colors: {
  custom: {
    50: '#97b7dd',
    500: '#669ace',
    950: '#000000',
  },
}
SCSS
$custom: #669ace;
$custom-light: #97b7dd;
$custom-dark: #000000;
JSON
{
  "hex": "#669ace",
  "rgb": {
    "r": 102,
    "g": 154,
    "b": 206
  },
  "hsl": {
    "h": 210,
    "s": 51.485,
    "l": 60.392
  },
  "oklch": {
    "l": 0.67073,
    "c": 0.09553,
    "h": 249.4
  },
  "luminance": 0.30392
}

Semantic roles & 50–950 ramp

primary
#669ACE
secondary
#DCC8B4
accent
#7327BF
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0E1115
muted
#7E8083

Preview Lab

Preview with #669ACE

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

Preview Lab → · Contrast checker → · Palette generator →

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