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#63d3fd color: Heisenberg Blue

#63d3fd is rgb(99, 211, 253) in RGB and oklch(81.77% 0.11737 225.656) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

196°
100%

81.8%
0.117
226°
  • Sky blue
  • Light
  • Vivid
  • Pastel
  • Cool
  • ≈ Baby blue
  • sky-300
  • Black 1%

Inside sRGB: displays the same on any screen.

White text
1.71:1Hard to read
Lc -34
Black text
12.27:1Readable · AA
Lc 73

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About #63d3fd

#63d3fd is a pastel light sky blue color. In OKLCH it has 81.8% lightness, 0.117 chroma and a hue of 226°.

Inside sRGB: displays the same on any screen.

White text on it reaches 1.71:1 contrast and black text 12.27:1, 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: #63d3fd mixed with white

  1. 63d3fd
  2. 77d8fe
  3. 89dcfe
  4. 99e1fe
  5. a9e5ff
  6. b8eaff
  7. c7eeff
  8. d5f3ff
  9. e3f7ff
  10. f1fbff

Darker: #63d3fd mixed with black

  1. 63d3fd
  2. 55b7dc
  3. 479cbc
  4. 3a829d
  5. 2e697f
  6. 215162
  7. 163a47
  8. 0b242d
  9. 031016
  10. 000203

Calmer: #63d3fd with less saturation

  1. 63d3fd
  2. 71d2f7
  3. 7dd0f2
  4. 88cfec
  5. 92cee6
  6. 9bcce1
  7. a4cadb
  8. acc9d5
  9. b4c7cf
  10. bcc5c9

Questions about #63d3fd

What color is #63d3fd?

#63d3fd is pastel light sky blue. The closest named color is Heisenberg Blue. In RGB it is rgb(99, 211, 253), in HSL hsl(196.36, 97.47%, 69.02%) and in OKLCH oklch(81.77% 0.11737 225.656).

What colors go well with #63d3fd?

The complementary color of #63d3fd is #ffab82. For a calmer combination use the analogous colors #51dbdc and #91c6ff. The triadic partners are #faa4d4 and #cec869.

Is white or black text more readable on #63d3fd?

Black text reads better on #63d3fd: white gives a contrast ratio of 1.71:1 and black gives 12.27:1. WCAG AA asks for at least 4.5:1 for body text.

Is #63d3fd a warm or cool color?

#63d3fd is a cool color. In OKLCH its hue is 226 degrees, its lightness 81.8% and its chroma 0.117.