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#66a6ef color: Cerulean

#66a6ef is rgb(102, 166, 239) in RGB and oklch(71.295% 0.12616 252.813) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

212°
100%

71.3%
0.126
253°
  • Blue
  • Light
  • Vivid
  • Cool
  • ≈ Sky blue
  • blue-400
  • Black 6%

Inside sRGB: displays the same on any screen.

White text
2.54:1Hard to read
Lc -55
Black text
8.27:1Readable · AA
Lc 54

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About #66a6ef

#66a6ef is a bright light blue color. In OKLCH it has 71.3% lightness, 0.126 chroma and a hue of 253°.

Inside sRGB: displays the same on any screen.

White text on it reaches 2.54:1 contrast and black text 8.27:1, so black text reads better.

The closest named color is Cerulean (#55aaee). In Tailwind CSS the closest color is blue-400.

More light blue colors

Lighter: #66a6ef mixed with white

  1. 66a6ef
  2. 76aff1
  3. 85b8f3
  4. 95c1f5
  5. a4caf7
  6. b3d3f9
  7. c2dcfa
  8. d1e5fc
  9. e1eefd
  10. f0f6fe

Darker: #66a6ef mixed with black

  1. 66a6ef
  2. 5890d0
  3. 4a7ab1
  4. 3c6594
  5. 2f5178
  6. 233e5c
  7. 172b42
  8. 0c1a2a
  9. 040a14
  10. 000103

Calmer: #66a6ef with less saturation

  1. 66a6ef
  2. 6da6e8
  3. 74a6e0
  4. 7aa6d9
  5. 81a6d1
  6. 87a5c9
  7. 8ca5c2
  8. 92a4ba
  9. 98a4b2
  10. 9da3aa

Questions about #66a6ef

What color is #66a6ef?

#66a6ef is bright light blue. The closest named color is Cerulean. In RGB it is rgb(102, 166, 239), in HSL hsl(211.97, 81.07%, 66.86%) and in OKLCH oklch(71.295% 0.12616 252.813).

What colors go well with #66a6ef?

The complementary color of #66a6ef is #d2953c. For a calmer combination use the analogous colors #22b3db and #9797ef. The triadic partners are #e57f8c and #83b35e.

Is white or black text more readable on #66a6ef?

Black text reads better on #66a6ef: white gives a contrast ratio of 2.54:1 and black gives 8.27:1. WCAG AA asks for at least 4.5:1 for body text.

Is #66a6ef a warm or cool color?

#66a6ef is a cool color. In OKLCH its hue is 253 degrees, its lightness 71.3% and its chroma 0.126.