ColorTool
Log in
#63DDF4

#63ddf4 ≈ Sky Blue

  • cyan
  • Lightness: high
  • Saturation: strong
  • Cool
Check contrast Explore in graph Random color

#63ddf4 is a color from the cyan family, with high lightness and strong saturation. In the RGB model it is made of 38.82% red, 86.67% green and 95.69% blue; printed in CMYK it uses 59.43% cyan, 9.43% magenta, 0% yellow and 4.31% black. Its hue angle is 189.52°, with 86.83% saturation and 67.25% 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 13.18:1 (WCAG AAA). The closest named color is Sky Blue (#87ceeb), ΔE 7.11.

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 luminance0.609

Complementary

  1. #63ddf4
  2. #f47a63

Split complementary

  1. #63ddf4
  2. #f46394
  3. #f4c263

Analogous

  1. #63f4c2
  2. #63ddf4
  3. #6394f4

Triadic

  1. #63ddf4
  2. #f463dd
  3. #ddf463

Tetradic

  1. #63ddf4
  2. #7a63f4
  3. #f47a63
  4. #ddf463

Square

  1. #63ddf4
  2. #c263f4
  3. #f47a63
  4. #94f463

Monochromatic

  1. #0d97b1
  2. #1ccdef
  3. #63ddf4
  4. #aaedf9
  5. #ecfbfe

Shades

#63ddf4 mixed progressively with black.

  1. #63ddf4
  2. #59c7dc
  3. #4fb1c3
  4. #459bab
  5. #3b8592
  6. #326f7a
  7. #285862
  8. #1e4249
  9. #142c31
  10. #0a1618
  11. #000000

Tints

#63ddf4 mixed progressively with white.

  1. #63ddf4
  2. #73e0f5
  3. #82e4f6
  4. #92e7f7
  5. #a1ebf8
  6. #b1eefa
  7. #c1f1fb
  8. #d0f5fc
  9. #e0f8fd
  10. #effcfe
  11. #ffffff

Tones

#63ddf4 mixed progressively with gray.

  1. #63ddf4
  2. #66d4e8
  3. #69cadd
  4. #6cc1d1
  5. #6fb8c6
  6. #72afba
  7. #74a5ae
  8. #779ca3
  9. #7a9397
  10. #7d898c
  11. #808080

Readable text 1.59:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 13.18:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #cdcdcd ≈ 0.003% of males
Achromatomaly #add3de ≈ 0.001% of males
Protanopia #cbd6f5 ≈ 1.01% of males
Deuteranopia #b5c6f4 ≈ 1.27% of males
Tritanopia #00e7e4 ≈ 0.0001% of males
Protanomaly #abd9f5 ≈ 1.08% of males
Deuteranomaly #9bd0f4 ≈ 4.63% of males
Tritanomaly #1fe3eb ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-63ddf4 {
  color: #63ddf4;
}
Background
.bg-63ddf4 {
  background-color: #63ddf4;
  color: #000000;
}
Border
.border-63ddf4 {
  border: 2px solid #63ddf4;
}
CSS variables
:root {
  --color-primary: #63ddf4;
  --color-primary-rgb: 99 221 244;
  --color-primary-hsl: 190 87% 67%;
}
Gradient
.gradient-63ddf4 {
  background: linear-gradient(135deg, #63ddf4, #6394f4);
}
Colored shadow
.shadow-63ddf4 {
  box-shadow: 0 8px 24px rgb(99 221 244 / 0.35);
}

#87ceeb Sky Blue ΔE 7.11 #a4dded Non-Photo Blue ΔE 7.38 #89cff0 Baby Blue ΔE 8.02 #7df9ff Electric Blue ΔE 8.31 #b0e0e6 Powder Blue ΔE 9.52 #00ced1 Dark Turquoise ΔE 9.53 #add8e6 Light Blue ΔE 9.78 #9c220b Inverted #cdcdcd Grayscale 

Sky Blue
#63ddf4  rgb(99, 221, 244)  hsl(190, 87%, 67%)  Sky Blue
#f47a63  rgb(244, 122, 99)  hsl(10, 87%, 67%)  Bittersweet
#f463dd  rgb(244, 99, 221)  hsl(310, 87%, 67%)  Orchid
#ddf463  rgb(221, 244, 99)  hsl(70, 87%, 67%)  Pear