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#21b2db color: Blue Atoll

#21b2db is rgb(33, 178, 219) in RGB and oklch(71.055% 0.1264 223.227) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

193°
100%

71.1%
0.126
223°
  • Sky blue
  • Light
  • Vivid
  • Cool
  • ≈ Sky blue
  • cyan-500
  • Black 14%

Inside sRGB: displays the same on any screen.

White text
2.48:1Hard to read
Lc -53
Black text
8.46:1Readable · AA
Lc 56

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About #21b2db

#21b2db is a bright light sky blue color. In OKLCH it has 71.1% lightness, 0.126 chroma and a hue of 223°.

Inside sRGB: displays the same on any screen.

White text on it reaches 2.48:1 contrast and black text 8.46:1, 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: #21b2db mixed with white

  1. 21b2db
  2. 48badf
  3. 63c2e3
  4. 7acae7
  5. 8fd2ea
  6. a2d9ee
  7. b6e1f2
  8. c8e9f5
  9. dbf0f8
  10. edf8fc

Darker: #21b2db mixed with black

  1. 21b2db
  2. 1b9abe
  3. 1683a2
  4. 106d87
  5. 0b576d
  6. 064354
  7. 032f3c
  8. 011d26
  9. 000c11
  10. 000102

Calmer: #21b2db with less saturation

  1. 21b2db
  2. 3db1d5
  3. 4fafd0
  4. 5eaeca
  5. 6aacc4
  6. 75abbf
  7. 7fa9b9
  8. 89a7b3
  9. 91a6ad
  10. 9aa4a7

Questions about #21b2db

What color is #21b2db?

#21b2db is bright light sky blue. The closest named color is Blue Atoll. In RGB it is rgb(33, 178, 219), in HSL hsl(193.23, 73.81%, 49.41%) and in OKLCH oklch(71.055% 0.1264 223.227).

What colors go well with #21b2db?

The complementary color of #21b2db is #e3865f. For a calmer combination use the analogous colors #00bab8 and #66a5ee. The triadic partners are #d880b6 and #b0a53a.

Is white or black text more readable on #21b2db?

Black text reads better on #21b2db: white gives a contrast ratio of 2.48:1 and black gives 8.46:1. WCAG AA asks for at least 4.5:1 for body text.

Is #21b2db a warm or cool color?

#21b2db is a cool color. In OKLCH its hue is 223 degrees, its lightness 71.1% and its chroma 0.126.