#66A5D1 Color

#66A5D1 is rgb(102, 165, 209) in RGB and hsl(205, 54%, 61%) in HSL. The closest CSS named color is CornflowerBlue. Black text is most readable on this background.

#66A5D1

HEX#66A5D1

RGBrgb(102, 165, 209)

HSLhsl(205, 54%, 61%)

HSVhsv(205, 51%, 82%)

OKLCHoklch(69.7% 0.092 240.3)

CMYKcmyk(51%, 21%, 0%, 18%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66A5D1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.67:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text7.87:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66A5D1 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66A5D1 Complementary#D19366 Analogous#66D1C8 Analogous#666FD1 Triadic#D166A5 Triadic#A5D166

Tints & Shades

Lighter tints and darker shades of #66A5D1, useful for hover states, backgrounds, and text variants.

Tints

#79B0D7 #91BEDE #A5CAE4 #B8D5EA #CCE1F0 #E4EFF7

Shades

#4692C8 #357DB1 #2B6791 #214E6E #17384F #0E212F

Use #66A5D1 in Our Tools

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