#66A2D9#66A2D9

#66A2D9 is a light, moderate cyan. Relative luminance 0.337; OKLCH L 69.4% C 0.103 H 247.5°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX#66A2D9
RGBrgb(102, 162, 217)
HSLhsl(209, 60%, 63%)
HSVhsv(209, 53%, 85%)
CMYKcmyk(53%, 25.3%, 0%, 14.9%)
CIE-LABlab(64.70, -3.98, -33.88)
CIE-LCHlch(64.70, 34.12, 263.31°)
OKLaboklab(69.36% -0.0394 -0.0949)
OKLCHoklch(69.36% 0.103 247.5)
XYZxyz(30.9198, 33.6727, 70.5023)
Luminance0.3367 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66A2D9 #D99D66
analogous
#66D9D7 #66A2D9 #6668D9
triadic
#66A2D9 #D966A2 #A2D966
tetradic
#66A2D9 #D766D9 #D99D66 #68D966
square
#66A2D9 #D766D9 #D99D66 #68D966
split-complementary
#66A2D9 #D96668 #D9D766
monochromatic
#27659D #3584CD #66A2D9 #97C0E5 #C8DEF1

Accessibility & contrast

On white

2.71
#66A2D9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.74
#66A2D9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A2D9
7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66A2D9#FFFFFF#000000##000000
##66A2D91.002.717.747.74
#FFFFFF2.711.0021.0021.00
#0000007.7421.001.001.00
##0000007.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#8BA3DC
Deuteranopia (green-blind)
#7C98D8
Tritanopia (blue-blind)
#21AFB5
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #66a2d9;
/* rgb */ color: rgb(102, 162, 217);
/* oklch */ color: oklch(69.4% 0.103 247.5);
Tailwind
colors: {
  custom: {
    50: '#99bde5',
    500: '#66a2d9',
    950: '#000000',
  },
}
SCSS
$custom: #66a2d9;
$custom-light: #99bde5;
$custom-dark: #000000;
JSON
{
  "hex": "#66a2d9",
  "rgb": {
    "r": 102,
    "g": 162,
    "b": 217
  },
  "hsl": {
    "h": 208.696,
    "s": 60.209,
    "l": 62.549
  },
  "oklch": {
    "l": 0.69359,
    "c": 0.10272,
    "h": 247.5
  },
  "luminance": 0.33675
}

Semantic roles & 50–950 ramp

primary
#66A2D9
secondary
#E2CCB8
accent
#6F1EC8
background
#F9FBFE
surface
#F2F6FC
border
#CCD0D5
text
#0E1215
muted
#7E8184

Preview Lab

Preview with #66A2D9

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

Preview Lab → · Contrast checker → · Palette generator →

#66A2D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva