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#3166DB

#3166db ≈ Royal Blue

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
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#3166db is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 19.22% red, 40% green and 85.88% blue; printed in CMYK it uses 77.63% cyan, 53.42% magenta, 0% yellow and 14.12% black. Its hue angle is 221.29°, with 70.25% saturation and 52.55% lightness in HSL. It is a cool color, often associated with trust, stability and focus. Designers typically use it for technology products, finance and banking and brand accents. White text on this color reaches a contrast ratio of 5.18:1 (WCAG AA). The closest named color is Royal Blue (#4169e1), ΔE 2.15.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3366cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1527

Complementary

  1. #3166db
  2. #dba631

Split complementary

  1. #3166db
  2. #db5131
  3. #bbdb31

Analogous

  1. #31bbdb
  2. #3166db
  3. #5131db

Triadic

  1. #3166db
  2. #db3166
  3. #66db31

Tetradic

  1. #3166db
  2. #a631db
  3. #dba631
  4. #66db31

Square

  1. #3166db
  2. #db31bb
  3. #dba631
  4. #31db51

Monochromatic

  1. #112a62
  2. #1c46a3
  3. #3166db
  4. #7296e6
  5. #b3c7f2

Shades

#3166db mixed progressively with black.

  1. #3166db
  2. #2c5cc5
  3. #2752af
  4. #224799
  5. #1d3d83
  6. #19336e
  7. #142958
  8. #0f1f42
  9. #0a142c
  10. #050a16
  11. #000000

Tints

#3166db mixed progressively with white.

  1. #3166db
  2. #4675df
  3. #5a85e2
  4. #6f94e6
  5. #83a3e9
  6. #98b3ed
  7. #adc2f1
  8. #c1d1f4
  9. #d6e0f8
  10. #eaf0fb
  11. #ffffff

Tones

#3166db mixed progressively with gray.

  1. #3166db
  2. #3969d2
  3. #416bc9
  4. #496ec0
  5. #5170b7
  6. #5973ae
  7. #6076a4
  8. #68789b
  9. #707b92
  10. #787d89
  11. #808080

Readable text 5.18:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.05:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #6d6d6d ≈ 0.003% of males
Achromatomaly #5b6aa5 ≈ 0.001% of males
Protanopia #0075df ≈ 1.01% of males
Deuteranopia #0066d9 ≈ 1.27% of males
Tritanopia #008397 ≈ 0.0001% of males
Protanomaly #1c6fdd ≈ 1.08% of males
Deuteranomaly #0066da ≈ 4.63% of males
Tritanomaly #0078b6 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-3166db {
  color: #3166db;
}
Background
.bg-3166db {
  background-color: #3166db;
  color: #ffffff;
}
Border
.border-3166db {
  border: 2px solid #3166db;
}
CSS variables
:root {
  --color-primary: #3166db;
  --color-primary-rgb: 49 102 219;
  --color-primary-hsl: 221 70% 53%;
}
Gradient
.gradient-3166db {
  background: linear-gradient(135deg, #3166db, #5131db);
}
Colored shadow
.shadow-3166db {
  box-shadow: 0 8px 24px rgb(49 102 219 / 0.35);
}

#4169e1 Royal Blue ΔE 2.15 #4166f5 Ultramarine Blue ΔE 4.35 #1560bd Denim ΔE 5.34 #0070ff Brandeis Blue ΔE 5.42 #0073cf True Blue ΔE 7.20 #436b95 Queen Blue ΔE 7.42 #0f52ba Sapphire ΔE 7.95 #ce9924 Inverted #6d6d6d Grayscale 

Royal Blue
#3166db  rgb(49, 102, 219)  hsl(221, 70%, 53%)  Royal Blue
#dba631  rgb(219, 166, 49)  hsl(41, 70%, 53%)  Goldenrod
#db3166  rgb(219, 49, 102)  hsl(341, 70%, 53%)  Cerise
#66db31  rgb(102, 219, 49)  hsl(101, 70%, 53%)  Lime Green