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#66d0fa color: Heisenberg Blue

#66d0fa is rgb(102, 208, 250) in RGB and oklch(81.079% 0.11407 226.75) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

197°
100%

81.1%
0.114
227°
  • Sky blue
  • Light
  • Vivid
  • Pastel
  • Cool
  • ≈ Baby blue
  • sky-300
  • Black 2%

Inside sRGB: displays the same on any screen.

White text
1.75:1Hard to read
Lc -36
Black text
11.97:1Readable · AA
Lc 72

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About #66d0fa

#66d0fa is a pastel light sky blue color. In OKLCH it has 81.1% lightness, 0.114 chroma and a hue of 227°.

Inside sRGB: displays the same on any screen.

White text on it reaches 1.75:1 contrast and black text 11.97:1, so black text reads better.

The closest named color is Heisenberg Blue (#70d4fb). In Tailwind CSS the closest color is sky-300.

More light sky blue colors

Lighter: #66d0fa mixed with white

  1. 66d0fa
  2. 79d5fb
  3. 8adafc
  4. 9adffc
  5. aae4fd
  6. b9e8fd
  7. c7edfe
  8. d5f2fe
  9. e3f6ff
  10. f1fbff

Darker: #66d0fa mixed with black

  1. 66d0fa
  2. 58b5d9
  3. 4a9aba
  4. 3c809b
  5. 2f677d
  6. 234f61
  7. 173946
  8. 0c232d
  9. 041015
  10. 000203

Calmer: #66d0fa with less saturation

  1. 66d0fa
  2. 73cff4
  3. 7eceef
  4. 88cce9
  5. 92cbe4
  6. 9bc9de
  7. a3c8d8
  8. abc6d2
  9. b3c5cd
  10. bac3c7

Questions about #66d0fa

What color is #66d0fa?

#66d0fa is pastel light sky blue. The closest named color is Heisenberg Blue. In RGB it is rgb(102, 208, 250), in HSL hsl(197.03, 93.67%, 69.02%) and in OKLCH oklch(81.079% 0.11407 226.75).

What colors go well with #66d0fa?

The complementary color of #66d0fa is #feaa81. For a calmer combination use the analogous colors #53d8da and #91c4ff. The triadic partners are #f7a3d0 and #cac66b.

Is white or black text more readable on #66d0fa?

Black text reads better on #66d0fa: white gives a contrast ratio of 1.75:1 and black gives 11.97:1. WCAG AA asks for at least 4.5:1 for body text.

Is #66d0fa a warm or cool color?

#66d0fa is a cool color. In OKLCH its hue is 227 degrees, its lightness 81.1% and its chroma 0.114.