#669DC0#669DC0

#669DC0 is a light, moderate cyan. Relative luminance 0.307; OKLCH L 67.1% C 0.078 H 237.5°. Best body text is #000000 at 7.15:1 contrast (WCAG AA passes).

Color values

HEX#669DC0
RGBrgb(102, 157, 192)
HSLhsl(203, 42%, 58%)
HSVhsv(203, 47%, 75%)
CMYKcmyk(46.9%, 18.2%, 0%, 24.7%)
CIE-LABlab(62.29, -8.58, -23.69)
CIE-LCHlch(62.29, 25.19, 250.09°)
OKLaboklab(67.13% -0.0419 -0.0657)
OKLCHoklch(67.13% 0.078 237.5)
XYZxyz(27.0475, 30.7425, 54.3676)
Luminance0.3074 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669DC0 #C08966
analogous
#66C0B6 #669DC0 #6670C0
triadic
#669DC0 #C0669D #9DC066
tetradic
#669DC0 #B666C0 #C08966 #70C066
square
#669DC0 #B666C0 #C08966 #70C066
split-complementary
#669DC0 #C06670 #C0B666
monochromatic
#325E7A #447FA5 #669DC0 #91B9D2 #BDD5E4

Accessibility & contrast

On white

2.94
#669DC0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.15
#669DC0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DC0
7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669DC0#FFFFFF#000000##000000
##669DC01.002.947.157.15
#FFFFFF2.941.0021.0021.00
#0000007.1521.001.001.00
##0000007.1521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D9CC2
Deuteranopia (green-blind)
#8192BF
Tritanopia (blue-blind)
#3DA6A8
Achromatopsia (no color)
#979797

Design tokens & code

CSS
--color: #669dc0;
/* rgb */ color: rgb(102, 157, 192);
/* oklch */ color: oklch(67.1% 0.078 237.5);
Tailwind
colors: {
  custom: {
    50: '#96b9d3',
    500: '#669dc0',
    950: '#000000',
  },
}
SCSS
$custom: #669dc0;
$custom-light: #96b9d3;
$custom-dark: #000000;
JSON
{
  "hex": "#669dc0",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 192
  },
  "hsl": {
    "h": 203.333,
    "s": 41.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.67126,
    "c": 0.07795,
    "h": 237.5
  },
  "luminance": 0.30744
}

Semantic roles & 50–950 ramp

primary
#669DC0
secondary
#D3BDAF
accent
#8656D1
background
#F9FBFC
surface
#F2F6F9
border
#CCD0D2
text
#0E1114
muted
#7E8082

Preview Lab

Preview with #669DC0

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

Preview Lab → · Contrast checker → · Palette generator →

#669DC0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva