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#42D1EF

#42d1ef ≈ Sky Blue

  • cyan
  • Lightness: medium
  • Saturation: strong
  • Cool
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#42d1ef is a color from the cyan family, with medium lightness and strong saturation. In the RGB model it is made of 25.88% red, 81.96% green and 93.73% blue; printed in CMYK it uses 72.38% cyan, 12.55% magenta, 0% yellow and 6.27% black. Its hue angle is 190.4°, with 84.39% saturation and 59.8% 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 11.6:1 (WCAG AAA). The closest named color is Sky Blue (#87ceeb), ΔE 6.62.

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 luminance0.5299

Complementary

  1. #42d1ef
  2. #ef6042

Split complementary

  1. #42d1ef
  2. #ef427b
  3. #efb642

Analogous

  1. #42efb6
  2. #42d1ef
  3. #427bef

Triadic

  1. #42d1ef
  2. #ef42d1
  3. #d1ef42

Tetradic

  1. #42d1ef
  2. #6042ef
  3. #ef6042
  4. #d1ef42

Square

  1. #42d1ef
  2. #b642ef
  3. #ef6042
  4. #7bef42

Monochromatic

  1. #0c768c
  2. #12b1d3
  3. #42d1ef
  4. #89e2f5
  5. #cff3fb

Shades

#42d1ef mixed progressively with black.

  1. #42d1ef
  2. #3bbcd7
  3. #35a7bf
  4. #2e92a7
  5. #287d8f
  6. #216978
  7. #1a5460
  8. #143f48
  9. #0d2a30
  10. #071518
  11. #000000

Tints

#42d1ef mixed progressively with white.

  1. #42d1ef
  2. #55d6f1
  3. #68daf2
  4. #7bdff4
  5. #8ee3f5
  6. #a1e8f7
  7. #b3edf9
  8. #c6f1fa
  9. #d9f6fc
  10. #ecfafd
  11. #ffffff

Tones

#42d1ef mixed progressively with gray.

  1. #42d1ef
  2. #48c9e4
  3. #4ec1d9
  4. #55b9ce
  5. #5bb1c3
  6. #61a9b8
  7. #67a0ac
  8. #6d98a1
  9. #749096
  10. #7a888b
  11. #808080

Readable text 1.81:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 11.6:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #c0c0c0 ≈ 0.003% of males
Achromatomaly #9ec7d5 ≈ 0.001% of males
Protanopia #bccaf1 ≈ 1.01% of males
Deuteranopia #a4b9ef ≈ 1.27% of males
Tritanopia #00dcda ≈ 0.0001% of males
Protanomaly #9acdf0 ≈ 1.08% of males
Deuteranomaly #88c3ef ≈ 4.63% of males
Tritanomaly #00d8e3 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-42d1ef {
  color: #42d1ef;
}
Background
.bg-42d1ef {
  background-color: #42d1ef;
  color: #000000;
}
Border
.border-42d1ef {
  border: 2px solid #42d1ef;
}
CSS variables
:root {
  --color-primary: #42d1ef;
  --color-primary-rgb: 66 209 239;
  --color-primary-hsl: 190 84% 60%;
}
Gradient
.gradient-42d1ef {
  background: linear-gradient(135deg, #42d1ef, #427bef);
}
Colored shadow
.shadow-42d1ef {
  box-shadow: 0 8px 24px rgb(66 209 239 / 0.35);
}

#87ceeb Sky Blue ΔE 6.62 #89cff0 Baby Blue ΔE 7.47 #a4dded Non-Photo Blue ΔE 9.32 #87cefa Light Sky Blue ΔE 9.64 #00ced1 Dark Turquoise ΔE 9.86 #00bfff Deep Sky Blue ΔE 10.07 #00cccc Robin Egg Blue ΔE 10.93 #bd2e10 Inverted #c0c0c0 Grayscale 

Sky Blue
#42d1ef  rgb(66, 209, 239)  hsl(190, 84%, 60%)  Sky Blue
#ef6042  rgb(239, 96, 66)  hsl(10, 84%, 60%)  Tomato
#ef42d1  rgb(239, 66, 209)  hsl(310, 84%, 60%)  Shocking Pink
#d1ef42  rgb(209, 239, 66)  hsl(70, 84%, 60%)  Pear