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#166DD8

#166dd8 ≈ True Blue

  • azure
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#166dd8 is a color from the azure family, with medium lightness and vivid saturation. In the RGB model it is made of 8.63% red, 42.75% green and 84.71% blue; printed in CMYK it uses 89.81% cyan, 49.54% magenta, 0% yellow and 15.29% black. Its hue angle is 213.09°, with 81.51% saturation and 46.67% lightness in HSL. It is a cool color, often associated with openness, freedom and calm. Designers typically use it for technology products, finance and banking and call-to-action buttons. White text on this color reaches a contrast ratio of 4.98:1 (WCAG AA). The closest named color is True Blue (#0073cf), ΔE 3.36.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#0066cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1607

Complementary

  1. #166dd8
  2. #d88116

Split complementary

  1. #166dd8
  2. #d82016
  3. #ced816

Analogous

  1. #16ced8
  2. #166dd8
  3. #2016d8

Triadic

  1. #166dd8
  2. #d8166d
  3. #6dd816

Tetradic

  1. #166dd8
  2. #8116d8
  3. #d88116
  4. #6dd816

Square

  1. #166dd8
  2. #d816ce
  3. #d88116
  4. #16d820

Monochromatic

  1. #08274d
  2. #0f4a93
  3. #166dd8
  4. #4e95ed
  5. #93bff4

Shades

#166dd8 mixed progressively with black.

  1. #166dd8
  2. #1462c2
  3. #1257ad
  4. #0f4c97
  5. #0d4182
  6. #0b376c
  7. #092c56
  8. #072141
  9. #04162b
  10. #020b16
  11. #000000

Tints

#166dd8 mixed progressively with white.

  1. #166dd8
  2. #2d7cdc
  3. #458ae0
  4. #5c99e4
  5. #73a7e8
  6. #8bb6ec
  7. #a2c5ef
  8. #b9d3f3
  9. #d0e2f7
  10. #e8f0fb
  11. #ffffff

Tones

#166dd8 mixed progressively with gray.

  1. #166dd8
  2. #216fcf
  3. #2b71c6
  4. #3673be
  5. #4075b5
  6. #4b77ac
  7. #5678a3
  8. #607a9a
  9. #6b7c92
  10. #757e89
  11. #808080

Readable text 4.98:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.21:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #707070 ≈ 0.003% of males
Achromatomaly #596fa4 ≈ 0.001% of males
Protanopia #2878dc ≈ 1.01% of males
Deuteranopia #0068d6 ≈ 1.27% of males
Tritanopia #008798 ≈ 0.0001% of males
Protanomaly #2274da ≈ 1.08% of males
Deuteranomaly #006ad7 ≈ 4.63% of males
Tritanomaly #007eb5 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-166dd8 {
  color: #166dd8;
}
Background
.bg-166dd8 {
  background-color: #166dd8;
  color: #ffffff;
}
Border
.border-166dd8 {
  border: 2px solid #166dd8;
}
CSS variables
:root {
  --color-primary: #166dd8;
  --color-primary-rgb: 22 109 216;
  --color-primary-hsl: 213 82% 47%;
}
Gradient
.gradient-166dd8 {
  background: linear-gradient(135deg, #166dd8, #2016d8);
}
Colored shadow
.shadow-166dd8 {
  box-shadow: 0 8px 24px rgb(22 109 216 / 0.35);
}

#0073cf True Blue ΔE 3.36 #0070ff Brandeis Blue ΔE 4.88 #4169e1 Royal Blue ΔE 5.02 #1560bd Denim ΔE 5.41 #0072bb French Blue ΔE 5.53 #417dc1 Tufts Blue ΔE 5.90 #436b95 Queen Blue ΔE 6.83 #e99227 Inverted #707070 Grayscale 

True Blue
#166dd8  rgb(22, 109, 216)  hsl(213, 82%, 47%)  True Blue
#d88116  rgb(216, 129, 22)  hsl(33, 82%, 47%)  Fulvous
#d8166d  rgb(216, 22, 109)  hsl(333, 82%, 47%)  Dogwood Rose
#6dd816  rgb(109, 216, 22)  hsl(93, 82%, 47%)  Lime Green