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#21d4fa color: Neon Blue

#21d4fa is rgb(33, 212, 250) in RGB and oklch(80.422% 0.13955 217.598) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

191°
100%

80.4%
0.140
218°
  • Sky blue
  • Light
  • Vivid
  • Cool
  • ≈ Sky blue
  • cyan-400
  • Black 2%

Inside sRGB: displays the same on any screen.

White text
1.77:1Hard to read
Lc -36
Black text
11.86:1Readable · AA
Lc 72

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About #21d4fa

#21d4fa is a bright light sky blue color. In OKLCH it has 80.4% lightness, 0.14 chroma and a hue of 218°.

Inside sRGB: displays the same on any screen.

White text on it reaches 1.77:1 contrast and black text 11.86:1, so black text reads better.

The closest named color is Neon Blue (#04d9ff). In Tailwind CSS the closest color is cyan-400.

More light sky blue colors

Lighter: #21d4fa mixed with white

  1. 21d4fa
  2. 4fd9fb
  3. 6bddfc
  4. 82e2fc
  5. 97e6fd
  6. aaebfd
  7. bceffe
  8. cdf3fe
  9. def7ff
  10. effbff

Darker: #21d4fa mixed with black

  1. 21d4fa
  2. 1bb8d9
  3. 169dba
  4. 10839b
  5. 0b697d
  6. 065161
  7. 033a46
  8. 01242d
  9. 001015
  10. 000203

Calmer: #21d4fa with less saturation

  1. 21d4fa
  2. 46d2f4
  3. 5dd1ee
  4. 6fcfe9
  5. 7ecde3
  6. 8bcbdd
  7. 97c8d7
  8. a2c6d1
  9. acc4cb
  10. b6c1c5

Questions about #21d4fa

What color is #21d4fa?

#21d4fa is bright light sky blue. The closest named color is Neon Blue. In RGB it is rgb(33, 212, 250), in HSL hsl(190.51, 95.59%, 55.49%) and in OKLCH oklch(80.422% 0.13955 217.598).

What colors go well with #21d4fa?

The complementary color of #21d4fa is #ff9d7c. For a calmer combination use the analogous colors #06dbcf and #79c6ff. The triadic partners are #f89bdf and #d8bf47.

Is white or black text more readable on #21d4fa?

Black text reads better on #21d4fa: white gives a contrast ratio of 1.77:1 and black gives 11.86:1. WCAG AA asks for at least 4.5:1 for body text.

Is #21d4fa a warm or cool color?

#21d4fa is a cool color. In OKLCH its hue is 218 degrees, its lightness 80.4% and its chroma 0.14.