ColorTool
Log in
#31CEEF

#31ceef ≈ Sky Blue

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

#31ceef is a color from the cyan family, with medium lightness and strong saturation. In the RGB model it is made of 19.22% red, 80.78% green and 93.73% blue; printed in CMYK it uses 79.5% cyan, 13.81% magenta, 0% yellow and 6.27% black. Its hue angle is 190.42°, with 85.59% saturation and 56.47% 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 11.21:1 (WCAG AAA). The closest named color is Sky Blue (#87ceeb), ΔE 6.91.

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 luminance0.5103

Complementary

  1. #31ceef
  2. #ef5231

Split complementary

  1. #31ceef
  2. #ef316f
  3. #efb131

Analogous

  1. #31efb1
  2. #31ceef
  3. #316fef

Triadic

  1. #31ceef
  2. #ef31ce
  3. #ceef31

Tetradic

  1. #31ceef
  2. #5231ef
  3. #ef5231
  4. #ceef31

Square

  1. #31ceef
  2. #b131ef
  3. #ef5231
  4. #6fef31

Monochromatic

  1. #0a697d
  2. #0fa5c4
  3. #31ceef
  4. #78dff5
  5. #bff0fa

Shades

#31ceef mixed progressively with black.

  1. #31ceef
  2. #2cb9d7
  3. #27a5bf
  4. #2290a7
  5. #1d7c8f
  6. #196778
  7. #145260
  8. #0f3e48
  9. #0a2930
  10. #051518
  11. #000000

Tints

#31ceef mixed progressively with white.

  1. #31ceef
  2. #46d3f1
  3. #5ad8f2
  4. #6fddf4
  5. #83e2f5
  6. #98e7f7
  7. #adebf9
  8. #c1f0fa
  9. #d6f5fc
  10. #eafafd
  11. #ffffff

Tones

#31ceef mixed progressively with gray.

  1. #31ceef
  2. #39c6e4
  3. #41bed9
  4. #49b7ce
  5. #51afc3
  6. #59a7b8
  7. #609fac
  8. #6897a1
  9. #709096
  10. #78888b
  11. #808080

Readable text 1.87:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 11.21:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #bdbdbd ≈ 0.003% of males
Achromatomaly #99c4d3 ≈ 0.001% of males
Protanopia #b8c8f1 ≈ 1.01% of males
Deuteranopia #9fb5ef ≈ 1.27% of males
Tritanopia #00dad8 ≈ 0.0001% of males
Protanomaly #95caf0 ≈ 1.08% of males
Deuteranomaly #81c0ef ≈ 4.63% of males
Tritanomaly #00d5e2 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-31ceef {
  color: #31ceef;
}
Background
.bg-31ceef {
  background-color: #31ceef;
  color: #000000;
}
Border
.border-31ceef {
  border: 2px solid #31ceef;
}
CSS variables
:root {
  --color-primary: #31ceef;
  --color-primary-rgb: 49 206 239;
  --color-primary-hsl: 190 86% 56%;
}
Gradient
.gradient-31ceef {
  background: linear-gradient(135deg, #31ceef, #316fef);
}
Colored shadow
.shadow-31ceef {
  box-shadow: 0 8px 24px rgb(49 206 239 / 0.35);
}

#87ceeb Sky Blue ΔE 6.91 #89cff0 Baby Blue ΔE 7.67 #00bfff Deep Sky Blue ΔE 9.20 #87cefa Light Sky Blue ΔE 9.61 #a4dded Non-Photo Blue ΔE 10.16 #00ced1 Dark Turquoise ΔE 10.36 #00cccc Robin Egg Blue ΔE 11.41 #ce3110 Inverted #bdbdbd Grayscale 

Sky Blue
#31ceef  rgb(49, 206, 239)  hsl(190, 86%, 56%)  Sky Blue
#ef5231  rgb(239, 82, 49)  hsl(10, 86%, 56%)  Coquelicot
#ef31ce  rgb(239, 49, 206)  hsl(310, 86%, 56%)  Shocking Pink
#ceef31  rgb(206, 239, 49)  hsl(70, 86%, 56%)  Pear