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#21DBFB

#21dbfb ≈ Sky Blue

  • cyan
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#21dbfb is a color from the cyan family, with medium lightness and vivid saturation. In the RGB model it is made of 12.94% red, 85.88% green and 98.43% blue; printed in CMYK it uses 86.85% cyan, 12.75% magenta, 0% yellow and 1.57% black. Its hue angle is 188.81°, with 96.46% saturation and 55.69% 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 12.59:1 (WCAG AAA). The closest named color is Sky Blue (#87ceeb), ΔE 8.18.

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 luminance0.5795

Complementary

  1. #21dbfb
  2. #fb4121

Split complementary

  1. #21dbfb
  2. #fb216e
  3. #fbae21

Analogous

  1. #21fbae
  2. #21dbfb
  3. #216efb

Triadic

  1. #21dbfb
  2. #fb21db
  3. #dbfb21

Tetradic

  1. #21dbfb
  2. #4121fb
  3. #fb4121
  4. #dbfb21

Square

  1. #21dbfb
  2. #ae21fb
  3. #fb4121
  4. #6efb21

Monochromatic

  1. #026e81
  2. #04aecc
  3. #21dbfb
  4. #6ce7fc
  5. #b7f3fe

Shades

#21dbfb mixed progressively with black.

  1. #21dbfb
  2. #1ec5e2
  3. #1aafc9
  4. #1799b0
  5. #148397
  6. #116e7e
  7. #0d5864
  8. #0a424b
  9. #072c32
  10. #031619
  11. #000000

Tints

#21dbfb mixed progressively with white.

  1. #21dbfb
  2. #37dffb
  3. #4de2fc
  4. #64e6fc
  5. #7ae9fd
  6. #90edfd
  7. #a6f1fd
  8. #bcf4fe
  9. #d3f8fe
  10. #e9fbff
  11. #ffffff

Tones

#21dbfb mixed progressively with gray.

  1. #21dbfb
  2. #2bd2ef
  3. #34c9e2
  4. #3ec0d6
  5. #47b7ca
  6. #51aebe
  7. #5aa4b1
  8. #649ba5
  9. #6d9299
  10. #77898c
  11. #808080

Readable text 1.67:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 12.59:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #c8c8c8 ≈ 0.003% of males
Achromatomaly #a0d0de ≈ 0.001% of males
Protanopia #c4d3fd ≈ 1.01% of males
Deuteranopia #a9c0fb ≈ 1.27% of males
Tritanopia #00e7e5 ≈ 0.0001% of males
Protanomaly #9dd7fc ≈ 1.08% of males
Deuteranomaly #87cbfb ≈ 4.63% of males
Tritanomaly #00e2ee ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-21dbfb {
  color: #21dbfb;
}
Background
.bg-21dbfb {
  background-color: #21dbfb;
  color: #000000;
}
Border
.border-21dbfb {
  border: 2px solid #21dbfb;
}
CSS variables
:root {
  --color-primary: #21dbfb;
  --color-primary-rgb: 33 219 251;
  --color-primary-hsl: 189 96% 56%;
}
Gradient
.gradient-21dbfb {
  background: linear-gradient(135deg, #21dbfb, #216efb);
}
Colored shadow
.shadow-21dbfb {
  box-shadow: 0 8px 24px rgb(33 219 251 / 0.35);
}

#87ceeb Sky Blue ΔE 8.18 #89cff0 Baby Blue ΔE 8.87 #a4dded Non-Photo Blue ΔE 9.91 #00ced1 Dark Turquoise ΔE 10.04 #7df9ff Electric Blue ΔE 10.36 #87cefa Light Sky Blue ΔE 10.87 #00cccc Robin Egg Blue ΔE 11.19 #de2404 Inverted #c8c8c8 Grayscale 

Sky Blue
#21dbfb  rgb(33, 219, 251)  hsl(189, 96%, 56%)  Sky Blue
#fb4121  rgb(251, 65, 33)  hsl(9, 96%, 56%)  Ferrari Red
#fb21db  rgb(251, 33, 219)  hsl(309, 96%, 56%)  Shocking Pink
#dbfb21  rgb(219, 251, 33)  hsl(69, 96%, 56%)  Chartreuse Yellow