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#309cd1 color: Blue Burst

#309cd1 is rgb(48, 156, 209) in RGB and oklch(65.634% 0.12287 234.984) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

200°
100%

65.6%
0.123
235°
  • Sky blue
  • Medium
  • Vivid
  • Cool
  • ≈ Steel blue
  • sky-500
  • Black 18%

Inside sRGB: displays the same on any screen.

White text
3.09:1Hard to read
Lc -63
Black text
6.80:1Readable · AA
Lc 47

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About #309cd1

#309cd1 is a bright sky blue color. In OKLCH it has 65.6% lightness, 0.123 chroma and a hue of 235°.

Inside sRGB: displays the same on any screen.

White text on it reaches 3.09:1 contrast and black text 6.8:1, 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: #309cd1 mixed with white

  1. 309cd1
  2. 4da6d6
  3. 64b0db
  4. 79bae0
  5. 8dc4e5
  6. a0cee9
  7. b4d8ee
  8. c6e2f2
  9. d9ebf7
  10. ecf5fb

Darker: #309cd1 mixed with black

  1. 309cd1
  2. 2887b5
  3. 21739b
  4. 1a5f81
  5. 134c68
  6. 0c3950
  7. 062839
  8. 031823
  9. 010910
  10. 000102

Calmer: #309cd1 with less saturation

  1. 309cd1
  2. 419bcb
  3. 4e9bc5
  4. 599abe
  5. 6399b8
  6. 6c98b2
  7. 7496ab
  8. 7c95a5
  9. 83949e
  10. 8a9298

Questions about #309cd1

What color is #309cd1?

#309cd1 is bright sky blue. The closest named color is Blue Burst. In RGB it is rgb(48, 156, 209), in HSL hsl(199.75, 63.64%, 50.39%) and in OKLCH oklch(65.634% 0.12287 234.984).

What colors go well with #309cd1?

The complementary color of #309cd1 is #ca7b41. For a calmer combination use the analogous colors #00a6b5 and #6c8fdc. The triadic partners are #cb6f95 and #8f9937.

Is white or black text more readable on #309cd1?

Black text reads better on #309cd1: white gives a contrast ratio of 3.09:1 and black gives 6.8:1. WCAG AA asks for at least 4.5:1 for body text.

Is #309cd1 a warm or cool color?

#309cd1 is a cool color. In OKLCH its hue is 235 degrees, its lightness 65.6% and its chroma 0.123.