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#21C8FF

#21c8ff ≈ Deep Sky Blue

  • cyan
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#21c8ff is a color from the cyan family, with medium lightness and vivid saturation. In the RGB model it is made of 12.94% red, 78.43% green and 100% blue; printed in CMYK it uses 87.06% cyan, 21.57% magenta, 0% yellow and 0% black. Its hue angle is 194.86°, with 100% saturation and 56.47% lightness in HSL. It is a cool color, often associated with freshness, technology and clarity. Designers typically use it for health and wellness, technology products and call-to-action buttons. Black text on this color reaches a contrast ratio of 10.77:1 (WCAG AAA). The closest named color is Deep Sky Blue (#00bfff), ΔE 3.25.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#33ccff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.4885

Complementary

  1. #21c8ff
  2. #ff5821

Split complementary

  1. #21c8ff
  2. #ff2159
  3. #ffc721

Analogous

  1. #21ffc7
  2. #21c8ff
  3. #2159ff

Triadic

  1. #21c8ff
  2. #ff21c8
  3. #c8ff21

Tetradic

  1. #21c8ff
  2. #5821ff
  3. #ff5821
  4. #c8ff21

Square

  1. #21c8ff
  2. #c721ff
  3. #ff5821
  4. #59ff21

Monochromatic

  1. #006687
  2. #009fd3
  3. #21c8ff
  4. #6ddbff
  5. #baeeff

Shades

#21c8ff mixed progressively with black.

  1. #21c8ff
  2. #1eb4e6
  3. #1aa0cc
  4. #178cb3
  5. #147899
  6. #116480
  7. #0d5066
  8. #0a3c4d
  9. #072833
  10. #03141a
  11. #000000

Tints

#21c8ff mixed progressively with white.

  1. #21c8ff
  2. #37ceff
  3. #4dd3ff
  4. #64d9ff
  5. #7adeff
  6. #90e4ff
  7. #a6e9ff
  8. #bcefff
  9. #d3f4ff
  10. #e9faff
  11. #ffffff

Tones

#21c8ff mixed progressively with gray.

  1. #21c8ff
  2. #2bc1f2
  3. #34bae6
  4. #3eb2d9
  5. #47abcc
  6. #51a4c0
  7. #5a9db3
  8. #6496a6
  9. #6d8e99
  10. #77878d
  11. #808080

Readable text 1.95:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 10.77:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #bababa ≈ 0.003% of males
Achromatomaly #95c0d9 ≈ 0.001% of males
Protanopia #abc4ff ≈ 1.01% of males
Deuteranopia #8fb1fe ≈ 1.27% of males
Tritanopia #00d8da ≈ 0.0001% of males
Protanomaly #89c6ff ≈ 1.08% of males
Deuteranomaly #73bbff ≈ 4.63% of males
Tritanomaly #00d2ea ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-21c8ff {
  color: #21c8ff;
}
Background
.bg-21c8ff {
  background-color: #21c8ff;
  color: #000000;
}
Border
.border-21c8ff {
  border: 2px solid #21c8ff;
}
CSS variables
:root {
  --color-primary: #21c8ff;
  --color-primary-rgb: 33 200 255;
  --color-primary-hsl: 195 100% 56%;
}
Gradient
.gradient-21c8ff {
  background: linear-gradient(135deg, #21c8ff, #2159ff);
}
Colored shadow
.shadow-21c8ff {
  box-shadow: 0 8px 24px rgb(33 200 255 / 0.35);
}

#00bfff Deep Sky Blue ΔE 3.25 #87cefa Light Sky Blue ΔE 7.03 #73c2fb Maya Blue ΔE 7.14 #89cff0 Baby Blue ΔE 7.19 #87ceeb Sky Blue ΔE 7.48 #73a9c2 Moonstone Blue ΔE 11.21 #71a6d2 Iceberg ΔE 12.20 #de3700 Inverted #bababa Grayscale 

Deep Sky Blue
#21c8ff  rgb(33, 200, 255)  hsl(195, 100%, 56%)  Deep Sky Blue
#ff5821  rgb(255, 88, 33)  hsl(15, 100%, 56%)  International Orange
#ff21c8  rgb(255, 33, 200)  hsl(315, 100%, 56%)  Shocking Pink
#c8ff21  rgb(200, 255, 33)  hsl(75, 100%, 56%)  Electric Lime