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#166DB5

#166db5 ≈ French Blue

  • azure
  • Lightness: low
  • Saturation: strong
  • Cool
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#166db5 is a color from the azure family, with low lightness and strong saturation. In the RGB model it is made of 8.63% red, 42.75% green and 70.98% blue; printed in CMYK it uses 87.85% cyan, 39.78% magenta, 0% yellow and 29.02% black. Its hue angle is 207.17°, with 78.33% saturation and 39.8% 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 brand accents. White text on this color reaches a contrast ratio of 5.4:1 (WCAG AA). The closest named color is French Blue (#0072bb), ΔE 2.15.

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 luminance0.1444

Complementary

  1. #166db5
  2. #b55e16

Split complementary

  1. #166db5
  2. #b5161d
  3. #b5ad16

Analogous

  1. #16b5ad
  2. #166db5
  3. #161db5

Triadic

  1. #166db5
  2. #b5166d
  3. #6db516

Tetradic

  1. #166db5
  2. #5e16b5
  3. #b55e16
  4. #6db516

Square

  1. #166db5
  2. #ad16b5
  3. #b55e16
  4. #1db516

Monochromatic

  1. #051b2d
  2. #0e4471
  3. #166db5
  4. #3194e6
  5. #76b8ee

Shades

#166db5 mixed progressively with black.

  1. #166db5
  2. #1462a3
  3. #125791
  4. #0f4c7f
  5. #0d416d
  6. #0b375b
  7. #092c48
  8. #072136
  9. #041624
  10. #020b12
  11. #000000

Tints

#166db5 mixed progressively with white.

  1. #166db5
  2. #2d7cbc
  3. #458ac4
  4. #5c99cb
  5. #73a7d3
  6. #8bb6da
  7. #a2c5e1
  8. #b9d3e9
  9. #d0e2f0
  10. #e8f0f8
  11. #ffffff

Tones

#166db5 mixed progressively with gray.

  1. #166db5
  2. #216fb0
  3. #2b71aa
  4. #3673a5
  5. #4075a0
  6. #4b779b
  7. #567895
  8. #607a90
  9. #6b7c8b
  10. #757e85
  11. #808080

Readable text 5.4:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.89:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #6a6a6a ≈ 0.003% of males
Achromatomaly #556b8e ≈ 0.001% of males
Protanopia #4972b8 ≈ 1.01% of males
Deuteranopia #3064b4 ≈ 1.27% of males
Tritanopia #007e88 ≈ 0.0001% of males
Protanomaly #3b70b7 ≈ 1.08% of males
Deuteranomaly #2768b4 ≈ 4.63% of males
Tritanomaly #00789c ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-166db5 {
  color: #166db5;
}
Background
.bg-166db5 {
  background-color: #166db5;
  color: #ffffff;
}
Border
.border-166db5 {
  border: 2px solid #166db5;
}
CSS variables
:root {
  --color-primary: #166db5;
  --color-primary-rgb: 22 109 181;
  --color-primary-hsl: 207 78% 40%;
}
Gradient
.gradient-166db5 {
  background: linear-gradient(135deg, #166db5, #161db5);
}
Colored shadow
.shadow-166db5 {
  box-shadow: 0 8px 24px rgb(22 109 181 / 0.35);
}

#0072bb French Blue ΔE 2.15 #0067a5 Medium Persian Blue ΔE 3.13 #0073cf True Blue ΔE 3.44 #436b95 Queen Blue ΔE 4.87 #26619c Lapis Lazuli ΔE 4.94 #1560bd Denim ΔE 5.43 #417dc1 Tufts Blue ΔE 6.61 #e9924a Inverted #6a6a6a Grayscale 

French Blue
#166db5  rgb(22, 109, 181)  hsl(207, 78%, 40%)  French Blue
#b55e16  rgb(181, 94, 22)  hsl(27, 78%, 40%)  Ginger
#b5166d  rgb(181, 22, 109)  hsl(327, 78%, 40%)  Jazzberry Jam
#6db516  rgb(109, 181, 22)  hsl(87, 78%, 40%)  Kelly Green