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#51D4FA

#51d4fa ≈ Sky Blue

  • cyan
  • Lightness: high
  • Saturation: strong
  • Cool
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#51d4fa is a color from the cyan family, with high lightness and strong saturation. In the RGB model it is made of 31.76% red, 83.14% green and 98.04% blue; printed in CMYK it uses 67.6% cyan, 15.2% magenta, 0% yellow and 1.96% black. Its hue angle is 193.49°, with 94.41% saturation and 64.9% 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 12.15:1 (WCAG AAA). The closest named color is Sky Blue (#87ceeb), ΔE 5.24.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#66ccff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.5574

Complementary

  1. #51d4fa
  2. #fa7751

Split complementary

  1. #51d4fa
  2. #fa517f
  3. #facb51

Analogous

  1. #51facb
  2. #51d4fa
  3. #517ffa

Triadic

  1. #51d4fa
  2. #fa51d4
  3. #d4fa51

Tetradic

  1. #51d4fa
  2. #7751fa
  3. #fa7751
  4. #d4fa51

Square

  1. #51d4fa
  2. #cb51fa
  3. #fa7751
  4. #7ffa51

Monochromatic

  1. #0587ad
  2. #07c1f7
  3. #51d4fa
  4. #9be6fc
  5. #e6f9fe

Shades

#51d4fa mixed progressively with black.

  1. #51d4fa
  2. #49bfe1
  3. #41aac8
  4. #3994af
  5. #317f96
  6. #296a7d
  7. #205564
  8. #18404b
  9. #102a32
  10. #081519
  11. #000000

Tints

#51d4fa mixed progressively with white.

  1. #51d4fa
  2. #62d8fb
  3. #74ddfb
  4. #85e1fc
  5. #97e5fc
  6. #a8eafd
  7. #b9eefd
  8. #cbf2fe
  9. #dcf6fe
  10. #eefbff
  11. #ffffff

Tones

#51d4fa mixed progressively with gray.

  1. #51d4fa
  2. #56ccee
  3. #5ac3e2
  4. #5fbbd5
  5. #64b2c9
  6. #69aabd
  7. #6da2b1
  8. #7299a5
  9. #779198
  10. #7b888c
  11. #808080

Readable text 1.73:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 12.15:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #c5c5c5 ≈ 0.003% of males
Achromatomaly #a3cbdc ≈ 0.001% of males
Protanopia #bdcffc ≈ 1.01% of males
Deuteranopia #a6bdfa ≈ 1.27% of males
Tritanopia #00e0e0 ≈ 0.0001% of males
Protanomaly #9dd1fb ≈ 1.08% of males
Deuteranomaly #8cc7fa ≈ 4.63% of males
Tritanomaly #00dbeb ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-51d4fa {
  color: #51d4fa;
}
Background
.bg-51d4fa {
  background-color: #51d4fa;
  color: #000000;
}
Border
.border-51d4fa {
  border: 2px solid #51d4fa;
}
CSS variables
:root {
  --color-primary: #51d4fa;
  --color-primary-rgb: 81 212 250;
  --color-primary-hsl: 193 94% 65%;
}
Gradient
.gradient-51d4fa {
  background: linear-gradient(135deg, #51d4fa, #517ffa);
}
Colored shadow
.shadow-51d4fa {
  box-shadow: 0 8px 24px rgb(81 212 250 / 0.35);
}

#87ceeb Sky Blue ΔE 5.24 #89cff0 Baby Blue ΔE 5.63 #87cefa Light Sky Blue ΔE 7.31 #00bfff Deep Sky Blue ΔE 8.27 #a4dded Non-Photo Blue ΔE 8.82 #73c2fb Maya Blue ΔE 9.74 #add8e6 Light Blue ΔE 10.55 #ae2b05 Inverted #c5c5c5 Grayscale 

Sky Blue
#51d4fa  rgb(81, 212, 250)  hsl(193, 94%, 65%)  Sky Blue
#fa7751  rgb(250, 119, 81)  hsl(13, 94%, 65%)  Coral
#fa51d4  rgb(250, 81, 212)  hsl(313, 94%, 65%)  Rose Pink
#d4fa51  rgb(212, 250, 81)  hsl(73, 94%, 65%)  Electric Lime