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#1B66EA

#1b66ea ≈ Royal Blue

  • azure
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#1b66ea is a color from the azure family, with medium lightness and vivid saturation. In the RGB model it is made of 10.59% red, 40% green and 91.76% blue; printed in CMYK it uses 88.46% cyan, 56.41% magenta, 0% yellow and 8.24% black. Its hue angle is 218.26°, with 83.13% 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 5.08:1 (WCAG AA). The closest named color is Royal Blue (#4169e1), ΔE 2.54.

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 luminance0.1568

Complementary

  1. #1b66ea
  2. #ea9f1b

Split complementary

  1. #1b66ea
  2. #ea381b
  3. #ceea1b

Analogous

  1. #1bceea
  2. #1b66ea
  3. #381bea

Triadic

  1. #1b66ea
  2. #ea1b66
  3. #66ea1b

Tetradic

  1. #1b66ea
  2. #9f1bea
  3. #ea9f1b
  4. #66ea1b

Square

  1. #1b66ea
  2. #ea1bce
  3. #ea9f1b
  4. #1bea38

Monochromatic

  1. #092a63
  2. #1047a9
  3. #1b66ea
  4. #6195f0
  5. #a7c4f7

Shades

#1b66ea mixed progressively with black.

  1. #1b66ea
  2. #185cd3
  3. #1652bb
  4. #1347a4
  5. #103d8c
  6. #0e3375
  7. #0b295e
  8. #081f46
  9. #05142f
  10. #030a17
  11. #000000

Tints

#1b66ea mixed progressively with white.

  1. #1b66ea
  2. #3275ec
  3. #4985ee
  4. #5f94f0
  5. #76a3f2
  6. #8db3f5
  7. #a4c2f7
  8. #bbd1f9
  9. #d1e0fb
  10. #e8f0fd
  11. #ffffff

Tones

#1b66ea mixed progressively with gray.

  1. #1b66ea
  2. #2569df
  3. #2f6bd5
  4. #396eca
  5. #4370c0
  6. #4e73b5
  7. #5876aa
  8. #6278a0
  9. #6c7b95
  10. #767d8b
  11. #808080

Readable text 5.08:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.14:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #6e6e6e ≈ 0.003% of males
Achromatomaly #586bae ≈ 0.001% of males
Protanopia #0078ef ≈ 1.01% of males
Deuteranopia #0065e7 ≈ 1.27% of males
Tritanopia #00889e ≈ 0.0001% of males
Protanomaly #0071ed ≈ 1.08% of males
Deuteranomaly #0066e8 ≈ 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-1b66ea {
  color: #1b66ea;
}
Background
.bg-1b66ea {
  background-color: #1b66ea;
  color: #ffffff;
}
Border
.border-1b66ea {
  border: 2px solid #1b66ea;
}
CSS variables
:root {
  --color-primary: #1b66ea;
  --color-primary-rgb: 27 102 234;
  --color-primary-hsl: 218 83% 51%;
}
Gradient
.gradient-1b66ea {
  background: linear-gradient(135deg, #1b66ea, #381bea);
}
Colored shadow
.shadow-1b66ea {
  box-shadow: 0 8px 24px rgb(27 102 234 / 0.35);
}

#4169e1 Royal Blue ΔE 2.54 #4166f5 Ultramarine Blue ΔE 3.79 #0070ff Brandeis Blue ΔE 4.27 #1560bd Denim ΔE 6.24 #0073cf True Blue ΔE 7.18 #436b95 Queen Blue ΔE 8.37 #417dc1 Tufts Blue ΔE 8.80 #e49915 Inverted #6e6e6e Grayscale 

Royal Blue
#1b66ea  rgb(27, 102, 234)  hsl(218, 83%, 51%)  Royal Blue
#ea9f1b  rgb(234, 159, 27)  hsl(38, 83%, 51%)  Marigold
#ea1b66  rgb(234, 27, 102)  hsl(338, 83%, 51%)  Razzmatazz
#66ea1b  rgb(102, 234, 27)  hsl(98, 83%, 51%)  Lawn Green