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#309dd4 color: Blue Burst

#309dd4 is rgb(48, 157, 212) in RGB and oklch(66.017% 0.12522 235.775) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

200°
100%

66%
0.125
236°
  • Sky blue
  • Medium
  • Vivid
  • Cool
  • ≈ Steel blue
  • sky-500
  • Black 17%

Inside sRGB: displays the same on any screen.

White text
3.04:1Hard to read
Lc -62
Black text
6.90:1Readable · AA
Lc 47

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About #309dd4

#309dd4 is a bright sky blue color. In OKLCH it has 66% lightness, 0.125 chroma and a hue of 236°.

Inside sRGB: displays the same on any screen.

White text on it reaches 3.04:1 contrast and black text 6.9:1, 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: #309dd4 mixed with white

  1. 309dd4
  2. 4da7d9
  3. 64b1de
  4. 79bbe2
  5. 8dc5e7
  6. a1ceeb
  7. b4d8ef
  8. c7e2f3
  9. d9ecf7
  10. ecf5fb

Darker: #309dd4 mixed with black

  1. 309dd4
  2. 2888b8
  3. 21739d
  4. 1a5f83
  5. 134c69
  6. 0c3a51
  7. 06283a
  8. 031824
  9. 010910
  10. 000102

Calmer: #309dd4 with less saturation

  1. 309dd4
  2. 419cce
  3. 4e9cc7
  4. 5a9bc1
  5. 639aba
  6. 6d99b4
  7. 7598ad
  8. 7d96a6
  9. 8495a0
  10. 8b9499

Questions about #309dd4

What color is #309dd4?

#309dd4 is bright sky blue. The closest named color is Blue Burst. In RGB it is rgb(48, 157, 212), in HSL hsl(200.12, 65.6%, 50.98%) and in OKLCH oklch(66.017% 0.12522 235.775).

What colors go well with #309dd4?

The complementary color of #309dd4 is #cc7c3f. For a calmer combination use the analogous colors #00a7b7 and #6e8fdf. The triadic partners are #cd7095 and #8f9b36.

Is white or black text more readable on #309dd4?

Black text reads better on #309dd4: white gives a contrast ratio of 3.04:1 and black gives 6.9:1. WCAG AA asks for at least 4.5:1 for body text.

Is #309dd4 a warm or cool color?

#309dd4 is a cool color. In OKLCH its hue is 236 degrees, its lightness 66% and its chroma 0.125.