ColorTool
Log in
#1663DF

#1663df ≈ Royal Blue

  • azure
  • Lightness: medium
  • Saturation: vivid
  • Cool
Check contrast Explore in graph Random color

#1663df is a color from the azure family, with medium lightness and vivid saturation. In the RGB model it is made of 8.63% red, 38.82% green and 87.45% blue; printed in CMYK it uses 90.13% cyan, 55.61% magenta, 0% yellow and 12.55% black. Its hue angle is 217.01°, with 82.04% saturation and 48.04% 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 5.41:1 (WCAG AA). The closest named color is Royal Blue (#4169e1), ΔE 3.56.

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 luminance0.1442

Complementary

  1. #1663df
  2. #df9216

Split complementary

  1. #1663df
  2. #df2d16
  3. #c8df16

Analogous

  1. #16c8df
  2. #1663df
  3. #2d16df

Triadic

  1. #1663df
  2. #df1663
  3. #63df16

Tetradic

  1. #1663df
  2. #9216df
  3. #df9216
  4. #63df16

Square

  1. #1663df
  2. #df16c8
  3. #df9216
  4. #16df2d

Monochromatic

  1. #082554
  2. #0f4499
  3. #1663df
  4. #538fee
  5. #99bcf5

Shades

#1663df mixed progressively with black.

  1. #1663df
  2. #1459c9
  3. #124fb2
  4. #0f459c
  5. #0d3b86
  6. #0b3270
  7. #092859
  8. #071e43
  9. #04142d
  10. #020a16
  11. #000000

Tints

#1663df mixed progressively with white.

  1. #1663df
  2. #2d73e2
  3. #4582e5
  4. #5c92e9
  5. #73a1ec
  6. #8bb1ef
  7. #a2c1f2
  8. #b9d0f5
  9. #d0e0f9
  10. #e8effc
  11. #ffffff

Tones

#1663df mixed progressively with gray.

  1. #1663df
  2. #2166d6
  3. #2b69cc
  4. #366cc3
  5. #406fb9
  6. #4b72b0
  7. #5674a6
  8. #60779d
  9. #6b7a93
  10. #757d8a
  11. #808080

Readable text 5.41:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.88:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #6a6a6a ≈ 0.003% of males
Achromatomaly #5467a6 ≈ 0.001% of males
Protanopia #0073e3 ≈ 1.01% of males
Deuteranopia #0062dd ≈ 1.27% of males
Tritanopia #008297 ≈ 0.0001% of males
Protanomaly #006de2 ≈ 1.08% of males
Deuteranomaly #0062de ≈ 4.63% of males
Tritanomaly #0077b8 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-1663df {
  color: #1663df;
}
Background
.bg-1663df {
  background-color: #1663df;
  color: #ffffff;
}
Border
.border-1663df {
  border: 2px solid #1663df;
}
CSS variables
:root {
  --color-primary: #1663df;
  --color-primary-rgb: 22 99 223;
  --color-primary-hsl: 217 82% 48%;
}
Gradient
.gradient-1663df {
  background: linear-gradient(135deg, #1663df, #2d16df);
}
Colored shadow
.shadow-1663df {
  box-shadow: 0 8px 24px rgb(22 99 223 / 0.35);
}

#4169e1 Royal Blue ΔE 3.56 #1560bd Denim ΔE 4.58 #4166f5 Ultramarine Blue ΔE 5.18 #0070ff Brandeis Blue ΔE 5.90 #0f52ba Sapphire ΔE 7.10 #0073cf True Blue ΔE 7.20 #436b95 Queen Blue ΔE 7.56 #e99c20 Inverted #6a6a6a Grayscale 

Royal Blue
#1663df  rgb(22, 99, 223)  hsl(217, 82%, 48%)  Royal Blue
#df9216  rgb(223, 146, 22)  hsl(37, 82%, 48%)  Gamboge
#df1663  rgb(223, 22, 99)  hsl(337, 82%, 48%)  Ruby
#63df16  rgb(99, 223, 22)  hsl(97, 82%, 48%)  Lime Green