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#166BD3

#166bd3 ≈ True Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#166bd3 is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 8.63% red, 41.96% green and 82.75% blue; printed in CMYK it uses 89.57% cyan, 49.29% magenta, 0% yellow and 17.25% black. Its hue angle is 213.02°, with 81.12% saturation and 45.69% 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 5.15:1 (WCAG AA). The closest named color is True Blue (#0073cf), ΔE 3.69.

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 luminance0.1539

Complementary

  1. #166bd3
  2. #d37e16

Split complementary

  1. #166bd3
  2. #d32016
  3. #cad316

Analogous

  1. #16cad3
  2. #166bd3
  3. #2016d3

Triadic

  1. #166bd3
  2. #d3166b
  3. #6bd316

Tetradic

  1. #166bd3
  2. #7e16d3
  3. #d37e16
  4. #6bd316

Square

  1. #166bd3
  2. #d316ca
  3. #d37e16
  4. #16d320

Monochromatic

  1. #082548
  2. #0f488e
  3. #166bd3
  4. #4993ec
  5. #8fbcf3

Shades

#166bd3 mixed progressively with black.

  1. #166bd3
  2. #1460be
  3. #1256a9
  4. #0f4b94
  5. #0d407f
  6. #0b366a
  7. #092b54
  8. #07203f
  9. #04152a
  10. #020b15
  11. #000000

Tints

#166bd3 mixed progressively with white.

  1. #166bd3
  2. #2d7ad7
  3. #4589dc
  4. #5c97e0
  5. #73a6e5
  6. #8bb5e9
  7. #a2c4ed
  8. #b9d3f2
  9. #d0e1f6
  10. #e8f0fb
  11. #ffffff

Tones

#166bd3 mixed progressively with gray.

  1. #166bd3
  2. #216dcb
  3. #2b6fc2
  4. #3671ba
  5. #4073b2
  6. #4b76aa
  7. #5678a1
  8. #607a99
  9. #6b7c91
  10. #757e88
  11. #808080

Readable text 5.15:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.08:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #6d6d6d ≈ 0.003% of males
Achromatomaly #576ca0 ≈ 0.001% of males
Protanopia #2976d7 ≈ 1.01% of males
Deuteranopia #0066d1 ≈ 1.27% of males
Tritanopia #008495 ≈ 0.0001% of males
Protanomaly #2372d5 ≈ 1.08% of males
Deuteranomaly #0068d2 ≈ 4.63% of males
Tritanomaly #007bb1 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-166bd3 {
  color: #166bd3;
}
Background
.bg-166bd3 {
  background-color: #166bd3;
  color: #ffffff;
}
Border
.border-166bd3 {
  border: 2px solid #166bd3;
}
CSS variables
:root {
  --color-primary: #166bd3;
  --color-primary-rgb: 22 107 211;
  --color-primary-hsl: 213 81% 46%;
}
Gradient
.gradient-166bd3 {
  background: linear-gradient(135deg, #166bd3, #2016d3);
}
Colored shadow
.shadow-166bd3 {
  box-shadow: 0 8px 24px rgb(22 107 211 / 0.35);
}

#0073cf True Blue ΔE 3.69 #1560bd Denim ΔE 4.51 #4169e1 Royal Blue ΔE 5.19 #0072bb French Blue ΔE 5.47 #0070ff Brandeis Blue ΔE 5.64 #436b95 Queen Blue ΔE 6.34 #417dc1 Tufts Blue ΔE 6.49 #e9942c Inverted #6d6d6d Grayscale 

True Blue
#166bd3  rgb(22, 107, 211)  hsl(213, 81%, 46%)  True Blue
#d37e16  rgb(211, 126, 22)  hsl(33, 81%, 46%)  Bronze
#d3166b  rgb(211, 22, 107)  hsl(333, 81%, 46%)  Dogwood Rose
#6bd316  rgb(107, 211, 22)  hsl(93, 81%, 46%)  Lime Green