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#21b3da color: Blue Atoll

#21b3da is rgb(33, 179, 218) in RGB and oklch(71.25% 0.12549 221.923) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

193°
100%

71.3%
0.125
222°
  • Sky blue
  • Light
  • Vivid
  • Cool
  • ≈ Sky blue
  • cyan-500
  • Black 15%

Inside sRGB: displays the same on any screen.

White text
2.46:1Hard to read
Lc -53
Black text
8.53:1Readable · AA
Lc 56

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About #21b3da

#21b3da is a bright light sky blue color. In OKLCH it has 71.3% lightness, 0.125 chroma and a hue of 222°.

Inside sRGB: displays the same on any screen.

White text on it reaches 2.46:1 contrast and black text 8.53:1, so black text reads better.

The closest named color is Blue Atoll (#00b3e1). In Tailwind CSS the closest color is cyan-500.

More light sky blue colors

Lighter: #21b3da mixed with white

  1. 21b3da
  2. 48bbde
  3. 63c3e2
  4. 7acae6
  5. 8fd2ea
  6. a3daed
  7. b6e1f1
  8. c8e9f5
  9. dbf0f8
  10. edf8fc

Darker: #21b3da mixed with black

  1. 21b3da
  2. 1b9bbd
  3. 1684a2
  4. 106e87
  5. 0b586c
  6. 064354
  7. 032f3c
  8. 011d25
  9. 000c11
  10. 000102

Calmer: #21b3da with less saturation

  1. 21b3da
  2. 3db2d5
  3. 50b0cf
  4. 5eafca
  5. 6badc4
  6. 76acbf
  7. 80aab9
  8. 89a8b3
  9. 92a6ae
  10. 9aa4a8

Questions about #21b3da

What color is #21b3da?

#21b3da is bright light sky blue. The closest named color is Blue Atoll. In RGB it is rgb(33, 179, 218), in HSL hsl(192.65, 73.71%, 49.22%) and in OKLCH oklch(71.25% 0.12549 221.923).

What colors go well with #21b3da?

The complementary color of #21b3da is #e38662. For a calmer combination use the analogous colors #00bab6 and #65a6ee. The triadic partners are #d781b8 and #b2a53b.

Is white or black text more readable on #21b3da?

Black text reads better on #21b3da: white gives a contrast ratio of 2.46:1 and black gives 8.53:1. WCAG AA asks for at least 4.5:1 for body text.

Is #21b3da a warm or cool color?

#21b3da is a cool color. In OKLCH its hue is 222 degrees, its lightness 71.3% and its chroma 0.125.