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#21C7EA

#21c7ea ≈ Sky Blue

  • cyan
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#21c7ea is a color from the cyan family, with medium lightness and vivid saturation. In the RGB model it is made of 12.94% red, 78.04% green and 91.76% blue; printed in CMYK it uses 85.9% cyan, 14.96% magenta, 0% yellow and 8.24% black. Its hue angle is 190.45°, with 82.72% saturation and 52.35% 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 10.42:1 (WCAG AAA). The closest named color is Sky Blue (#87ceeb), ΔE 7.39.

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 luminance0.4711

Complementary

  1. #21c7ea
  2. #ea4421

Split complementary

  1. #21c7ea
  2. #ea2162
  3. #eaa921

Analogous

  1. #21eaa9
  2. #21c7ea
  3. #2162ea

Triadic

  1. #21c7ea
  2. #ea21c7
  3. #c7ea21

Tetradic

  1. #21c7ea
  2. #4421ea
  3. #ea4421
  4. #c7ea21

Square

  1. #21c7ea
  2. #a921ea
  3. #ea4421
  4. #62ea21

Monochromatic

  1. #0a5868
  2. #1093ae
  3. #21c7ea
  4. #67d9f1
  5. #adeaf7

Shades

#21c7ea mixed progressively with black.

  1. #21c7ea
  2. #1eb3d3
  3. #1a9fbb
  4. #178ba4
  5. #14778c
  6. #116475
  7. #0d505e
  8. #0a3c46
  9. #07282f
  10. #031417
  11. #000000

Tints

#21c7ea mixed progressively with white.

  1. #21c7ea
  2. #37cdec
  3. #4dd2ee
  4. #64d8f0
  5. #7addf2
  6. #90e3f5
  7. #a6e9f7
  8. #bceef9
  9. #d3f4fb
  10. #e9f9fd
  11. #ffffff

Tones

#21c7ea mixed progressively with gray.

  1. #21c7ea
  2. #2bc0df
  3. #34b9d5
  4. #3eb2ca
  5. #47abc0
  6. #51a4b5
  7. #5a9caa
  8. #6495a0
  9. #6d8e95
  10. #77878b
  11. #808080

Readable text 2.01:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 10.42:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #b7b7b7 ≈ 0.003% of males
Achromatomaly #92bdcd ≈ 0.001% of males
Protanopia #b0c1ec ≈ 1.01% of males
Deuteranopia #97afea ≈ 1.27% of males
Tritanopia #00d3d2 ≈ 0.0001% of males
Protanomaly #8dc3eb ≈ 1.08% of males
Deuteranomaly #79b9ea ≈ 4.63% of males
Tritanomaly #00cedc ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-21c7ea {
  color: #21c7ea;
}
Background
.bg-21c7ea {
  background-color: #21c7ea;
  color: #000000;
}
Border
.border-21c7ea {
  border: 2px solid #21c7ea;
}
CSS variables
:root {
  --color-primary: #21c7ea;
  --color-primary-rgb: 33 199 234;
  --color-primary-hsl: 190 83% 52%;
}
Gradient
.gradient-21c7ea {
  background: linear-gradient(135deg, #21c7ea, #2162ea);
}
Colored shadow
.shadow-21c7ea {
  box-shadow: 0 8px 24px rgb(33 199 234 / 0.35);
}

#87ceeb Sky Blue ΔE 7.39 #89cff0 Baby Blue ΔE 8.08 #00bfff Deep Sky Blue ΔE 8.15 #87cefa Light Sky Blue ΔE 9.75 #73a9c2 Moonstone Blue ΔE 10.70 #00ced1 Dark Turquoise ΔE 10.96 #73c2fb Maya Blue ΔE 11.05 #de3815 Inverted #b7b7b7 Grayscale 

Sky Blue
#21c7ea  rgb(33, 199, 234)  hsl(190, 83%, 52%)  Sky Blue
#ea4421  rgb(234, 68, 33)  hsl(10, 83%, 52%)  Ferrari Red
#ea21c7  rgb(234, 33, 199)  hsl(310, 83%, 52%)  Shocking Pink
#c7ea21  rgb(199, 234, 33)  hsl(70, 83%, 52%)  Pear