#669CC8#669CC8

#669CC8 is a light, moderate cyan. Relative luminance 0.308; OKLCH L 67.2% C 0.087 H 244.2°. Best body text is #000000 at 7.15:1 contrast (WCAG AA passes).

Color values

HEX#669CC8
RGBrgb(102, 156, 200)
HSLhsl(207, 47%, 59%)
HSVhsv(207, 49%, 78%)
CMYKcmyk(49%, 22%, 0%, 21.6%)
CIE-LABlab(62.31, -5.70, -28.13)
CIE-LCHlch(62.31, 28.70, 258.55°)
OKLaboklab(67.25% -0.0379 -0.0784)
OKLCHoklch(67.25% 0.087 244.2)
XYZxyz(27.7896, 30.7698, 59.1071)
Luminance0.3077 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669CC8 #C89266
analogous
#66C8C3 #669CC8 #666BC8
triadic
#669CC8 #C8669C #9CC866
tetradic
#669CC8 #C366C8 #C89266 #6BC866
square
#669CC8 #C366C8 #C89266 #6BC866
split-complementary
#669CC8 #C8666B #C8C366
monochromatic
#2F5E84 #407EB1 #669CC8 #93B9D8 #C0D6E8

Accessibility & contrast

On white

2.94
#669CC8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.15
#669CC8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CC8
7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669CC8#FFFFFF#000000##000000
##669CC81.002.947.157.15
#FFFFFF2.941.0021.0021.00
#0000007.1521.001.001.00
##0000007.1521.001.001.00

Color blindness preview

Protanopia (red-blind)
#899CCA
Deuteranopia (green-blind)
#7C92C7
Tritanopia (blue-blind)
#37A7AB
Achromatopsia (no color)
#979797

Design tokens & code

CSS
--color: #669cc8;
/* rgb */ color: rgb(102, 156, 200);
/* oklch */ color: oklch(67.2% 0.087 244.2);
Tailwind
colors: {
  custom: {
    50: '#97b9d9',
    500: '#669cc8',
    950: '#000000',
  },
}
SCSS
$custom: #669cc8;
$custom-light: #97b9d9;
$custom-dark: #000000;
JSON
{
  "hex": "#669cc8",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 200
  },
  "hsl": {
    "h": 206.939,
    "s": 47.115,
    "l": 59.216
  },
  "oklch": {
    "l": 0.67247,
    "c": 0.08707,
    "h": 244.2
  },
  "luminance": 0.30772
}

Semantic roles & 50–950 ramp

primary
#669CC8
secondary
#D8C3B2
accent
#8D51D7
background
#F9FBFD
surface
#F2F6FA
border
#CCD0D3
text
#0E1114
muted
#7E8083

Preview Lab

Preview with #669CC8

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

Preview Lab → · Contrast checker → · Palette generator →

#669CC8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva