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#3366EA

#3366ea ≈ Royal Blue

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
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#3366ea is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 20% red, 40% green and 91.76% blue; printed in CMYK it uses 78.21% cyan, 56.41% magenta, 0% yellow and 8.24% black. Its hue angle is 223.28°, with 81.33% saturation and 55.88% 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 call-to-action buttons. White text on this color reaches a contrast ratio of 4.97:1 (WCAG AA). The closest named color is Royal Blue (#4169e1), ΔE 1.49.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3366ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1615

Complementary

  1. #3366ea
  2. #eab733

Split complementary

  1. #3366ea
  2. #ea5b33
  3. #c1ea33

Analogous

  1. #33c1ea
  2. #3366ea
  3. #5b33ea

Triadic

  1. #3366ea
  2. #ea3366
  3. #66ea33

Tetradic

  1. #3366ea
  2. #b733ea
  3. #eab733
  4. #66ea33

Square

  1. #3366ea
  2. #ea33c1
  3. #eab733
  4. #33ea5b

Monochromatic

  1. #0c2a78
  2. #1343bd
  3. #3366ea
  4. #789af1
  5. #becef8

Shades

#3366ea mixed progressively with black.

  1. #3366ea
  2. #2e5cd3
  3. #2952bb
  4. #2447a4
  5. #1f3d8c
  6. #1a3375
  7. #14295e
  8. #0f1f46
  9. #0a142f
  10. #050a17
  11. #000000

Tints

#3366ea mixed progressively with white.

  1. #3366ea
  2. #4775ec
  3. #5c85ee
  4. #7094f0
  5. #85a3f2
  6. #99b3f5
  7. #adc2f7
  8. #c2d1f9
  9. #d6e0fb
  10. #ebf0fd
  11. #ffffff

Tones

#3366ea mixed progressively with gray.

  1. #3366ea
  2. #3b69df
  3. #426bd5
  4. #4a6eca
  5. #5270c0
  6. #5a73b5
  7. #6176aa
  8. #6978a0
  9. #717b95
  10. #787d8b
  11. #808080

Readable text 4.97:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.23:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #707070 ≈ 0.003% of males
Achromatomaly #5d6caf ≈ 0.001% of males
Protanopia #0079ee ≈ 1.01% of males
Deuteranopia #0068e7 ≈ 1.27% of males
Tritanopia #00879e ≈ 0.0001% of males
Protanomaly #0072ed ≈ 1.08% of males
Deuteranomaly #0067e8 ≈ 4.63% of males
Tritanomaly #007bc1 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-3366ea {
  color: #3366ea;
}
Background
.bg-3366ea {
  background-color: #3366ea;
  color: #ffffff;
}
Border
.border-3366ea {
  border: 2px solid #3366ea;
}
CSS variables
:root {
  --color-primary: #3366ea;
  --color-primary-rgb: 51 102 234;
  --color-primary-hsl: 223 81% 56%;
}
Gradient
.gradient-3366ea {
  background: linear-gradient(135deg, #3366ea, #5b33ea);
}
Colored shadow
.shadow-3366ea {
  box-shadow: 0 8px 24px rgb(51 102 234 / 0.35);
}

#4169e1 Royal Blue ΔE 1.49 #4166f5 Ultramarine Blue ΔE 2.35 #0070ff Brandeis Blue ΔE 4.56 #1560bd Denim ΔE 7.27 #0073cf True Blue ΔE 8.35 #436b95 Queen Blue ΔE 8.88 #417dc1 Tufts Blue ΔE 9.32 #cc9915 Inverted #707070 Grayscale 

Royal Blue
#3366ea  rgb(51, 102, 234)  hsl(223, 81%, 56%)  Royal Blue
#eab733  rgb(234, 183, 51)  hsl(43, 81%, 56%)  Meat Brown
#ea3366  rgb(234, 51, 102)  hsl(343, 81%, 56%)  Cerise
#66ea33  rgb(102, 234, 51)  hsl(103, 81%, 56%)  Neon Green