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#21C8EA

#21c8ea ≈ Sky Blue

  • cyan
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#21c8ea 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 91.76% blue; printed in CMYK it uses 85.9% cyan, 14.53% magenta, 0% yellow and 8.24% black. Its hue angle is 190.15°, 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 10.51:1 (WCAG AAA). The closest named color is Sky Blue (#87ceeb), ΔE 7.43.

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 luminance0.4757

Complementary

  1. #21c8ea
  2. #ea4321

Split complementary

  1. #21c8ea
  2. #ea2163
  3. #eaa721

Analogous

  1. #21eaa7
  2. #21c8ea
  3. #2163ea

Triadic

  1. #21c8ea
  2. #ea21c8
  3. #c8ea21

Tetradic

  1. #21c8ea
  2. #4321ea
  3. #ea4321
  4. #c8ea21

Square

  1. #21c8ea
  2. #a721ea
  3. #ea4321
  4. #63ea21

Monochromatic

  1. #0a5868
  2. #1093ae
  3. #21c8ea
  4. #67d9f1
  5. #adebf7

Shades

#21c8ea mixed progressively with black.

  1. #21c8ea
  2. #1eb4d3
  3. #1aa0bb
  4. #178ca4
  5. #14788c
  6. #116475
  7. #0d505e
  8. #0a3c46
  9. #07282f
  10. #031417
  11. #000000

Tints

#21c8ea mixed progressively with white.

  1. #21c8ea
  2. #37ceec
  3. #4dd3ee
  4. #64d9f0
  5. #7adef2
  6. #90e4f5
  7. #a6e9f7
  8. #bceff9
  9. #d3f4fb
  10. #e9fafd
  11. #ffffff

Tones

#21c8ea mixed progressively with gray.

  1. #21c8ea
  2. #2bc1df
  3. #34bad5
  4. #3eb2ca
  5. #47abc0
  6. #51a4b5
  7. #5a9daa
  8. #6496a0
  9. #6d8e95
  10. #77878b
  11. #808080

Readable text 2:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 10.51:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #b7b7b7 ≈ 0.003% of males
Achromatomaly #93bece ≈ 0.001% of males
Protanopia #b1c2ec ≈ 1.01% of males
Deuteranopia #98b0ea ≈ 1.27% of males
Tritanopia #00d4d3 ≈ 0.0001% of males
Protanomaly #8ec4eb ≈ 1.08% of males
Deuteranomaly #7abaea ≈ 4.63% of males
Tritanomaly #00cfdc ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-21c8ea {
  color: #21c8ea;
}
Background
.bg-21c8ea {
  background-color: #21c8ea;
  color: #000000;
}
Border
.border-21c8ea {
  border: 2px solid #21c8ea;
}
CSS variables
:root {
  --color-primary: #21c8ea;
  --color-primary-rgb: 33 200 234;
  --color-primary-hsl: 190 83% 52%;
}
Gradient
.gradient-21c8ea {
  background: linear-gradient(135deg, #21c8ea, #2163ea);
}
Colored shadow
.shadow-21c8ea {
  box-shadow: 0 8px 24px rgb(33 200 234 / 0.35);
}

#87ceeb Sky Blue ΔE 7.43 #89cff0 Baby Blue ΔE 8.17 #00bfff Deep Sky Blue ΔE 8.53 #87cefa Light Sky Blue ΔE 9.92 #00ced1 Dark Turquoise ΔE 10.61 #73a9c2 Moonstone Blue ΔE 10.95 #a4dded Non-Photo Blue ΔE 11.17 #de3715 Inverted #b7b7b7 Grayscale 

Sky Blue
#21c8ea  rgb(33, 200, 234)  hsl(190, 83%, 52%)  Sky Blue
#ea4321  rgb(234, 67, 33)  hsl(10, 83%, 52%)  Scarlet
#ea21c8  rgb(234, 33, 200)  hsl(310, 83%, 52%)  Shocking Pink
#c8ea21  rgb(200, 234, 33)  hsl(70, 83%, 52%)  Pear