ColorTool
Log in
#166DDB

#166ddb ≈ True Blue

  • azure
  • Lightness: medium
  • Saturation: vivid
  • Cool
Check contrast Explore in graph Random color

#166ddb 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 85.88% blue; printed in CMYK it uses 89.95% cyan, 50.23% magenta, 0% yellow and 14.12% black. Its hue angle is 213.5°, with 81.74% saturation and 47.25% 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 4.95:1 (WCAG AA). The closest named color is True Blue (#0073cf), ΔE 3.63.

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 luminance0.1622

Complementary

  1. #166ddb
  2. #db8416

Split complementary

  1. #166ddb
  2. #db2116
  3. #cfdb16

Analogous

  1. #16cfdb
  2. #166ddb
  3. #2116db

Triadic

  1. #166ddb
  2. #db166d
  3. #6ddb16

Tetradic

  1. #166ddb
  2. #8416db
  3. #db8416
  4. #6ddb16

Square

  1. #166ddb
  2. #db16cf
  3. #db8416
  4. #16db21

Monochromatic

  1. #082850
  2. #0f4a95
  3. #166ddb
  4. #5096ed
  5. #96bff4

Shades

#166ddb mixed progressively with black.

  1. #166ddb
  2. #1462c5
  3. #1257af
  4. #0f4c99
  5. #0d4183
  6. #0b376e
  7. #092c58
  8. #072142
  9. #04162c
  10. #020b16
  11. #000000

Tints

#166ddb mixed progressively with white.

  1. #166ddb
  2. #2d7cdf
  3. #458ae2
  4. #5c99e6
  5. #73a7e9
  6. #8bb6ed
  7. #a2c5f1
  8. #b9d3f4
  9. #d0e2f8
  10. #e8f0fb
  11. #ffffff

Tones

#166ddb mixed progressively with gray.

  1. #166ddb
  2. #216fd2
  3. #2b71c9
  4. #3673c0
  5. #4075b7
  6. #4b77ae
  7. #5678a4
  8. #607a9b
  9. #6b7c92
  10. #757e89
  11. #808080

Readable text 4.95:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.24:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #707070 ≈ 0.003% of males
Achromatomaly #596fa6 ≈ 0.001% of males
Protanopia #2379df ≈ 1.01% of males
Deuteranopia #0068d9 ≈ 1.27% of males
Tritanopia #00889a ≈ 0.0001% of males
Protanomaly #1f74dd ≈ 1.08% of males
Deuteranomaly #006ada ≈ 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-166ddb {
  color: #166ddb;
}
Background
.bg-166ddb {
  background-color: #166ddb;
  color: #ffffff;
}
Border
.border-166ddb {
  border: 2px solid #166ddb;
}
CSS variables
:root {
  --color-primary: #166ddb;
  --color-primary-rgb: 22 109 219;
  --color-primary-hsl: 214 82% 47%;
}
Gradient
.gradient-166ddb {
  background: linear-gradient(135deg, #166ddb, #2116db);
}
Colored shadow
.shadow-166ddb {
  box-shadow: 0 8px 24px rgb(22 109 219 / 0.35);
}

#0073cf True Blue ΔE 3.63 #0070ff Brandeis Blue ΔE 4.50 #4169e1 Royal Blue ΔE 4.72 #1560bd Denim ΔE 5.63 #0072bb French Blue ΔE 5.87 #417dc1 Tufts Blue ΔE 5.97 #4166f5 Ultramarine Blue ΔE 6.85 #e99224 Inverted #707070 Grayscale 

True Blue
#166ddb  rgb(22, 109, 219)  hsl(214, 82%, 47%)  True Blue
#db8416  rgb(219, 132, 22)  hsl(34, 82%, 47%)  Fulvous
#db166d  rgb(219, 22, 109)  hsl(334, 82%, 47%)  Dogwood Rose
#6ddb16  rgb(109, 219, 22)  hsl(94, 82%, 47%)  Lime Green