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#1663EF

#1663ef ≈ Royal Blue

  • azure
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#1663ef 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 93.73% blue; printed in CMYK it uses 90.79% cyan, 58.58% magenta, 0% yellow and 6.27% black. Its hue angle is 218.71°, with 87.15% saturation and 51.18% 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 5.17:1 (WCAG AA). The closest named color is Royal Blue (#4169e1), ΔE 2.94.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#0066ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1533

Complementary

  1. #1663ef
  2. #efa216

Split complementary

  1. #1663ef
  2. #ef3616
  3. #d0ef16

Analogous

  1. #16d0ef
  2. #1663ef
  3. #3616ef

Triadic

  1. #1663ef
  2. #ef1663
  3. #63ef16

Tetradic

  1. #1663ef
  2. #a216ef
  3. #efa216
  4. #63ef16

Square

  1. #1663ef
  2. #ef16d0
  3. #efa216
  4. #16ef36

Monochromatic

  1. #072865
  2. #0c45ad
  3. #1663ef
  4. #5e93f4
  5. #a5c3f9

Shades

#1663ef mixed progressively with black.

  1. #1663ef
  2. #1459d7
  3. #124fbf
  4. #0f45a7
  5. #0d3b8f
  6. #0b3278
  7. #092860
  8. #071e48
  9. #041430
  10. #020a18
  11. #000000

Tints

#1663ef mixed progressively with white.

  1. #1663ef
  2. #2d73f1
  3. #4582f2
  4. #5c92f4
  5. #73a1f5
  6. #8bb1f7
  7. #a2c1f9
  8. #b9d0fa
  9. #d0e0fc
  10. #e8effd
  11. #ffffff

Tones

#1663ef mixed progressively with gray.

  1. #1663ef
  2. #2166e4
  3. #2b69d9
  4. #366cce
  5. #406fc3
  6. #4b72b8
  7. #5674ac
  8. #6077a1
  9. #6b7a96
  10. #757d8b
  11. #808080

Readable text 5.17:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.07:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #6d6d6d ≈ 0.003% of males
Achromatomaly #5769b1 ≈ 0.001% of males
Protanopia #0077f4 ≈ 1.01% of males
Deuteranopia #0064ec ≈ 1.27% of males
Tritanopia #00879f ≈ 0.0001% of males
Protanomaly #0070f2 ≈ 1.08% of males
Deuteranomaly #0064ed ≈ 4.63% of males
Tritanomaly #007ac4 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-1663ef {
  color: #1663ef;
}
Background
.bg-1663ef {
  background-color: #1663ef;
  color: #ffffff;
}
Border
.border-1663ef {
  border: 2px solid #1663ef;
}
CSS variables
:root {
  --color-primary: #1663ef;
  --color-primary-rgb: 22 99 239;
  --color-primary-hsl: 219 87% 51%;
}
Gradient
.gradient-1663ef {
  background: linear-gradient(135deg, #1663ef, #3616ef);
}
Colored shadow
.shadow-1663ef {
  box-shadow: 0 8px 24px rgb(22 99 239 / 0.35);
}

#4169e1 Royal Blue ΔE 2.94 #4166f5 Ultramarine Blue ΔE 3.37 #0070ff Brandeis Blue ΔE 4.92 #1560bd Denim ΔE 6.69 #0073cf True Blue ΔE 8.28 #0f52ba Sapphire ΔE 8.62 #436b95 Queen Blue ΔE 8.91 #e99c10 Inverted #6d6d6d Grayscale 

Royal Blue
#1663ef  rgb(22, 99, 239)  hsl(219, 87%, 51%)  Royal Blue
#efa216  rgb(239, 162, 22)  hsl(39, 87%, 51%)  Marigold
#ef1663  rgb(239, 22, 99)  hsl(339, 87%, 51%)  Cerise
#63ef16  rgb(99, 239, 22)  hsl(99, 87%, 51%)  Lawn Green