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#309fd3 color: Blue Burst

#309fd3 is rgb(48, 159, 211) in RGB and oklch(66.439% 0.12313 233.856) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

199°
100%

66.4%
0.123
234°
  • Sky blue
  • Medium
  • Vivid
  • Cool
  • ≈ Steel blue
  • sky-500
  • Black 17%

Inside sRGB: displays the same on any screen.

White text
2.99:1Hard to read
Lc -61
Black text
7.03:1Readable · AA
Lc 48

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About #309fd3

#309fd3 is a bright sky blue color. In OKLCH it has 66.4% lightness, 0.123 chroma and a hue of 234°.

Inside sRGB: displays the same on any screen.

White text on it reaches 2.99:1 contrast and black text 7.03:1, so black text reads better.

The closest named color is Blue Burst (#309cd0). In Tailwind CSS the closest color is sky-500.

More medium sky blue colors

Lighter: #309fd3 mixed with white

  1. 309fd3
  2. 4da9d8
  3. 64b3dd
  4. 7abce1
  5. 8ec6e6
  6. a1cfea
  7. b4d9ef
  8. c7e3f3
  9. daecf7
  10. ecf6fb

Darker: #309fd3 mixed with black

  1. 309fd3
  2. 288ab7
  3. 21759c
  4. 1a6182
  5. 134d69
  6. 0c3b51
  7. 06293a
  8. 031824
  9. 010910
  10. 000102

Calmer: #309fd3 with less saturation

  1. 309fd3
  2. 419ecd
  3. 4f9dc7
  4. 5a9cc0
  5. 649bba
  6. 6e9ab4
  7. 7699ad
  8. 7e98a7
  9. 8596a1
  10. 8d959a

Questions about #309fd3

What color is #309fd3?

#309fd3 is bright sky blue. The closest named color is Blue Burst. In RGB it is rgb(48, 159, 211), in HSL hsl(199.14, 64.94%, 50.78%) and in OKLCH oklch(66.439% 0.12313 233.856).

What colors go well with #309fd3?

The complementary color of #309fd3 is #cd7d44. For a calmer combination use the analogous colors #00a9b6 and #6c92df. The triadic partners are #cd7299 and #939b38.

Is white or black text more readable on #309fd3?

Black text reads better on #309fd3: white gives a contrast ratio of 2.99:1 and black gives 7.03:1. WCAG AA asks for at least 4.5:1 for body text.

Is #309fd3 a warm or cool color?

#309fd3 is a cool color. In OKLCH its hue is 234 degrees, its lightness 66.4% and its chroma 0.123.