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#1663E4

#1663e4 ≈ Royal Blue

  • azure
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#1663e4 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 89.41% blue; printed in CMYK it uses 90.35% cyan, 56.58% magenta, 0% yellow and 10.59% black. Its hue angle is 217.57°, with 82.4% saturation and 49.02% 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 5.33:1 (WCAG AA). The closest named color is Royal Blue (#4169e1), ΔE 3.23.

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 luminance0.147

Complementary

  1. #1663e4
  2. #e49716

Split complementary

  1. #1663e4
  2. #e43016
  3. #cae416

Analogous

  1. #16cae4
  2. #1663e4
  3. #3016e4

Triadic

  1. #1663e4
  2. #e41663
  3. #63e416

Tetradic

  1. #1663e4
  2. #9716e4
  3. #e49716
  4. #63e416

Square

  1. #1663e4
  2. #e416ca
  3. #e49716
  4. #16e430

Monochromatic

  1. #092658
  2. #0f459e
  3. #1663e4
  4. #5890ef
  5. #9dbef6

Shades

#1663e4 mixed progressively with black.

  1. #1663e4
  2. #1459cd
  3. #124fb6
  4. #0f45a0
  5. #0d3b89
  6. #0b3272
  7. #09285b
  8. #071e44
  9. #04142e
  10. #020a17
  11. #000000

Tints

#1663e4 mixed progressively with white.

  1. #1663e4
  2. #2d73e7
  3. #4582e9
  4. #5c92ec
  5. #73a1ef
  6. #8bb1f2
  7. #a2c1f4
  8. #b9d0f7
  9. #d0e0fa
  10. #e8effc
  11. #ffffff

Tones

#1663e4 mixed progressively with gray.

  1. #1663e4
  2. #2166da
  3. #2b69d0
  4. #366cc6
  5. #406fbc
  6. #4b72b2
  7. #5674a8
  8. #60779e
  9. #6b7a94
  10. #757d8a
  11. #808080

Readable text 5.33:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.94:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #6b6b6b ≈ 0.003% of males
Achromatomaly #5568a9 ≈ 0.001% of males
Protanopia #0074e8 ≈ 1.01% of males
Deuteranopia #0062e2 ≈ 1.27% of males
Tritanopia #00849a ≈ 0.0001% of males
Protanomaly #006ee7 ≈ 1.08% of males
Deuteranomaly #0063e3 ≈ 4.63% of males
Tritanomaly #0078bc ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-1663e4 {
  color: #1663e4;
}
Background
.bg-1663e4 {
  background-color: #1663e4;
  color: #ffffff;
}
Border
.border-1663e4 {
  border: 2px solid #1663e4;
}
CSS variables
:root {
  --color-primary: #1663e4;
  --color-primary-rgb: 22 99 228;
  --color-primary-hsl: 218 82% 49%;
}
Gradient
.gradient-1663e4 {
  background: linear-gradient(135deg, #1663e4, #3016e4);
}
Colored shadow
.shadow-1663e4 {
  box-shadow: 0 8px 24px rgb(22 99 228 / 0.35);
}

#4169e1 Royal Blue ΔE 3.23 #4166f5 Ultramarine Blue ΔE 4.58 #1560bd Denim ΔE 5.24 #0070ff Brandeis Blue ΔE 5.54 #0073cf True Blue ΔE 7.51 #0f52ba Sapphire ΔE 7.54 #436b95 Queen Blue ΔE 7.97 #e99c1b Inverted #6b6b6b Grayscale 

Royal Blue
#1663e4  rgb(22, 99, 228)  hsl(218, 82%, 49%)  Royal Blue
#e49716  rgb(228, 151, 22)  hsl(38, 82%, 49%)  Gamboge
#e41663  rgb(228, 22, 99)  hsl(338, 82%, 49%)  Ruby
#63e416  rgb(99, 228, 22)  hsl(98, 82%, 49%)  Lawn Green