ColorTool
Log in
#51ECFC

#51ecfc ≈ Electric Blue

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

#51ecfc is a color from the cyan family, with high lightness and strong saturation. In the RGB model it is made of 31.76% red, 92.55% green and 98.82% blue; printed in CMYK it uses 67.86% cyan, 6.35% magenta, 0% yellow and 1.18% black. Its hue angle is 185.61°, with 96.61% saturation and 65.29% 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 14.75:1 (WCAG AAA). The closest named color is Electric Blue (#7df9ff), ΔE 4.52.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#66ffff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.6877

Complementary

  1. #51ecfc
  2. #fc6151

Split complementary

  1. #51ecfc
  2. #fc5196
  3. #fcb651

Analogous

  1. #51fcb6
  2. #51ecfc
  3. #5196fc

Triadic

  1. #51ecfc
  2. #fc51ec
  3. #ecfc51

Tetradic

  1. #51ecfc
  2. #6151fc
  3. #fc6151
  4. #ecfc51

Square

  1. #51ecfc
  2. #b651fc
  3. #fc6151
  4. #96fc51

Monochromatic

  1. #03a1b1
  2. #06e4fb
  3. #51ecfc
  4. #9cf4fd
  5. #e7fcff

Shades

#51ecfc mixed progressively with black.

  1. #51ecfc
  2. #49d4e3
  3. #41bdca
  4. #39a5b0
  5. #318e97
  6. #29767e
  7. #205e65
  8. #18474c
  9. #102f32
  10. #081819
  11. #000000

Tints

#51ecfc mixed progressively with white.

  1. #51ecfc
  2. #62eefc
  3. #74f0fd
  4. #85f2fd
  5. #97f4fd
  6. #a8f6fe
  7. #b9f7fe
  8. #cbf9fe
  9. #dcfbfe
  10. #eefdff
  11. #ffffff

Tones

#51ecfc mixed progressively with gray.

  1. #51ecfc
  2. #56e1f0
  3. #5ad6e3
  4. #5fccd7
  5. #64c1ca
  6. #69b6be
  7. #6dabb2
  8. #72a0a5
  9. #779699
  10. #7b8b8c
  11. #808080

Readable text 1.42:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 14.75:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #d8d8d8 ≈ 0.003% of males
Achromatomaly #b2e0e7 ≈ 0.001% of males
Protanopia #d9e3fd ≈ 1.01% of males
Deuteranopia #c1d0fd ≈ 1.27% of males
Tritanopia #00f6f1 ≈ 0.0001% of males
Protanomaly #b3e6fd ≈ 1.08% of males
Deuteranomaly #a0dcfc ≈ 4.63% of males
Tritanomaly #00f2f5 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-51ecfc {
  color: #51ecfc;
}
Background
.bg-51ecfc {
  background-color: #51ecfc;
  color: #000000;
}
Border
.border-51ecfc {
  border: 2px solid #51ecfc;
}
CSS variables
:root {
  --color-primary: #51ecfc;
  --color-primary-rgb: 81 236 252;
  --color-primary-hsl: 186 97% 65%;
}
Gradient
.gradient-51ecfc {
  background: linear-gradient(135deg, #51ecfc, #5196fc);
}
Colored shadow
.shadow-51ecfc {
  box-shadow: 0 8px 24px rgb(81 236 252 / 0.35);
}

#7df9ff Electric Blue ΔE 4.52 #00ffff Aqua ΔE 7.28 #00ffff Cyan ΔE 7.28 #00ced1 Dark Turquoise ΔE 8.87 #b2ffff Celeste ΔE 9.35 #08e8de Bright Turquoise ΔE 9.37 #afeeee Pale Turquoise ΔE 9.41 #ae1303 Inverted #d8d8d8 Grayscale 

Electric Blue
#51ecfc  rgb(81, 236, 252)  hsl(186, 97%, 65%)  Electric Blue
#fc6151  rgb(252, 97, 81)  hsl(6, 97%, 65%)  Bittersweet
#fc51ec  rgb(252, 81, 236)  hsl(306, 97%, 65%)  Fuchsia
#ecfc51  rgb(236, 252, 81)  hsl(66, 97%, 65%)  Laser Lemon