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#306CDB

#306cdb ≈ Royal Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#306cdb is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 18.82% red, 42.35% green and 85.88% blue; printed in CMYK it uses 78.08% cyan, 50.68% magenta, 0% yellow and 14.12% black. Its hue angle is 218.95°, with 70.37% saturation and 52.35% 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 4.89:1 (WCAG AA). The closest named color is Royal Blue (#4169e1), ΔE 2.81.

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 luminance0.1647

Complementary

  1. #306cdb
  2. #db9f30

Split complementary

  1. #306cdb
  2. #db4930
  3. #c1db30

Analogous

  1. #30c1db
  2. #306cdb
  3. #4930db

Triadic

  1. #306cdb
  2. #db306c
  3. #6cdb30

Tetradic

  1. #306cdb
  2. #9f30db
  3. #db9f30
  4. #6cdb30

Square

  1. #306cdb
  2. #db30c1
  3. #db9f30
  4. #30db49

Monochromatic

  1. #112d61
  2. #1c4ba2
  3. #306cdb
  4. #719ae6
  5. #b2c9f2

Shades

#306cdb mixed progressively with black.

  1. #306cdb
  2. #2b61c5
  3. #2656af
  4. #224c99
  5. #1d4183
  6. #18366e
  7. #132b58
  8. #0e2042
  9. #0a162c
  10. #050b16
  11. #000000

Tints

#306cdb mixed progressively with white.

  1. #306cdb
  2. #457bdf
  3. #5989e2
  4. #6e98e6
  5. #83a7e9
  6. #98b6ed
  7. #acc4f1
  8. #c1d3f4
  9. #d6e2f8
  10. #eaf0fb
  11. #ffffff

Tones

#306cdb mixed progressively with gray.

  1. #306cdb
  2. #386ed2
  3. #4070c9
  4. #4872c0
  5. #5074b7
  6. #5876ae
  7. #6078a4
  8. #687a9b
  9. #707c92
  10. #787e89
  11. #808080

Readable text 4.89:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.29:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #717171 ≈ 0.003% of males
Achromatomaly #5d6fa6 ≈ 0.001% of males
Protanopia #2479df ≈ 1.01% of males
Deuteranopia #006ad9 ≈ 1.27% of males
Tritanopia #008799 ≈ 0.0001% of males
Protanomaly #2974dd ≈ 1.08% of males
Deuteranomaly #006bda ≈ 4.63% of males
Tritanomaly #007db7 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-306cdb {
  color: #306cdb;
}
Background
.bg-306cdb {
  background-color: #306cdb;
  color: #ffffff;
}
Border
.border-306cdb {
  border: 2px solid #306cdb;
}
CSS variables
:root {
  --color-primary: #306cdb;
  --color-primary-rgb: 48 108 219;
  --color-primary-hsl: 219 70% 52%;
}
Gradient
.gradient-306cdb {
  background: linear-gradient(135deg, #306cdb, #4930db);
}
Colored shadow
.shadow-306cdb {
  box-shadow: 0 8px 24px rgb(48 108 219 / 0.35);
}

#4169e1 Royal Blue ΔE 2.81 #0070ff Brandeis Blue ΔE 4.14 #4166f5 Ultramarine Blue ΔE 5.19 #0073cf True Blue ΔE 5.36 #1560bd Denim ΔE 5.99 #417dc1 Tufts Blue ΔE 6.65 #436b95 Queen Blue ΔE 7.30 #cf9324 Inverted #717171 Grayscale 

Royal Blue
#306cdb  rgb(48, 108, 219)  hsl(219, 70%, 52%)  Royal Blue
#db9f30  rgb(219, 159, 48)  hsl(39, 70%, 52%)  Gamboge
#db306c  rgb(219, 48, 108)  hsl(339, 70%, 52%)  Razzmatazz
#6cdb30  rgb(108, 219, 48)  hsl(99, 70%, 52%)  Lime Green