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#166DDA

#166dda ≈ True Blue

  • azure
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#166dda 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 85.49% blue; printed in CMYK it uses 89.91% cyan, 50% magenta, 0% yellow and 14.51% black. Its hue angle is 213.37°, with 81.67% saturation and 47.06% 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 4.96:1 (WCAG AA). The closest named color is True Blue (#0073cf), ΔE 3.54.

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 luminance0.1617

Complementary

  1. #166dda
  2. #da8316

Split complementary

  1. #166dda
  2. #da2116
  3. #cfda16

Analogous

  1. #16cfda
  2. #166dda
  3. #2116da

Triadic

  1. #166dda
  2. #da166d
  3. #6dda16

Tetradic

  1. #166dda
  2. #8316da
  3. #da8316
  4. #6dda16

Square

  1. #166dda
  2. #da16cf
  3. #da8316
  4. #16da21

Monochromatic

  1. #08284f
  2. #0f4a95
  3. #166dda
  4. #4f95ed
  5. #95bff4

Shades

#166dda mixed progressively with black.

  1. #166dda
  2. #1462c4
  3. #1257ae
  4. #0f4c99
  5. #0d4183
  6. #0b376d
  7. #092c57
  8. #072141
  9. #04162c
  10. #020b16
  11. #000000

Tints

#166dda mixed progressively with white.

  1. #166dda
  2. #2d7cde
  3. #458ae1
  4. #5c99e5
  5. #73a7e9
  6. #8bb6ed
  7. #a2c5f0
  8. #b9d3f4
  9. #d0e2f8
  10. #e8f0fb
  11. #ffffff

Tones

#166dda mixed progressively with gray.

  1. #166dda
  2. #216fd1
  3. #2b71c8
  4. #3673bf
  5. #4075b6
  6. #4b77ad
  7. #5678a4
  8. #607a9b
  9. #6b7c92
  10. #757e89
  11. #808080

Readable text 4.96:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.23:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #707070 ≈ 0.003% of males
Achromatomaly #596fa5 ≈ 0.001% of males
Protanopia #2579de ≈ 1.01% of males
Deuteranopia #0068d8 ≈ 1.27% of males
Tritanopia #008899 ≈ 0.0001% of males
Protanomaly #2074dc ≈ 1.08% of males
Deuteranomaly #006ad9 ≈ 4.63% of males
Tritanomaly #007eb7 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-166dda {
  color: #166dda;
}
Background
.bg-166dda {
  background-color: #166dda;
  color: #ffffff;
}
Border
.border-166dda {
  border: 2px solid #166dda;
}
CSS variables
:root {
  --color-primary: #166dda;
  --color-primary-rgb: 22 109 218;
  --color-primary-hsl: 213 82% 47%;
}
Gradient
.gradient-166dda {
  background: linear-gradient(135deg, #166dda, #2116da);
}
Colored shadow
.shadow-166dda {
  box-shadow: 0 8px 24px rgb(22 109 218 / 0.35);
}

#0073cf True Blue ΔE 3.54 #0070ff Brandeis Blue ΔE 4.63 #4169e1 Royal Blue ΔE 4.82 #1560bd Denim ΔE 5.56 #0072bb French Blue ΔE 5.75 #417dc1 Tufts Blue ΔE 5.94 #4166f5 Ultramarine Blue ΔE 6.97 #e99225 Inverted #707070 Grayscale 

True Blue
#166dda  rgb(22, 109, 218)  hsl(213, 82%, 47%)  True Blue
#da8316  rgb(218, 131, 22)  hsl(33, 82%, 47%)  Fulvous
#da166d  rgb(218, 22, 109)  hsl(333, 82%, 47%)  Dogwood Rose
#6dda16  rgb(109, 218, 22)  hsl(93, 82%, 47%)  Lime Green