#669EDF#669EDF

#669EDF is a light, moderate cyan. Relative luminance 0.326; OKLCH L 68.8% C 0.113 H 253.0°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX#669EDF
RGBrgb(102, 158, 223)
HSLhsl(212, 65%, 64%)
HSVhsv(212, 54%, 87%)
CMYKcmyk(54.3%, 29.1%, 0%, 12.5%)
CIE-LABlab(63.84, 0.12, -38.55)
CIE-LCHlch(63.84, 38.55, 270.18°)
OKLaboklab(68.77% -0.033 -0.1084)
OKLCHoklch(68.77% 0.113 253)
XYZxyz(31.0210, 32.6037, 74.4562)
Luminance0.3261 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669EDF #DFA766
analogous
#66DADF #669EDF #6A66DF
triadic
#669EDF #DF669E #9EDF66
tetradic
#669EDF #DF66DA #DFA766 #66DF6A
square
#669EDF #DF66DA #DFA766 #66DF6A
split-complementary
#669EDF #DF6A66 #DADF66
monochromatic
#2360A8 #337ED4 #669EDF #99BEEA #CBDEF4

Accessibility & contrast

On white

2.79
#669EDF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.52
#669EDF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EDF
7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669EDF#FFFFFF#000000##000000
##669EDF1.002.797.527.52
#FFFFFF2.791.0021.0021.00
#0000007.5221.001.001.00
##0000007.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#84A1E2
Deuteranopia (green-blind)
#7495DE
Tritanopia (blue-blind)
#17ADB5
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #669edf;
/* rgb */ color: rgb(102, 158, 223);
/* oklch */ color: oklch(68.8% 0.113 253.0);
Tailwind
colors: {
  custom: {
    50: '#99bae9',
    500: '#669edf',
    950: '#000000',
  },
}
SCSS
$custom: #669edf;
$custom-light: #99bae9;
$custom-dark: #000000;
JSON
{
  "hex": "#669edf",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 223
  },
  "hsl": {
    "h": 212.231,
    "s": 65.405,
    "l": 63.725
  },
  "oklch": {
    "l": 0.68765,
    "c": 0.11328,
    "h": 253
  },
  "luminance": 0.32606
}

Semantic roles & 50–950 ramp

primary
#669EDF
secondary
#E6D2BB
accent
#7918CD
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0F1116
muted
#7E8084

Preview Lab

Preview with #669EDF

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

Preview Lab → · Contrast checker → · Palette generator →

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