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#646FDB

#646fdb ≈ Royal Blue

  • blue
  • Lightness: high
  • Saturation: moderate
  • Cool
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#646fdb is a color from the blue family, with high lightness and moderate saturation. In the RGB model it is made of 39.22% red, 43.53% green and 85.88% blue; printed in CMYK it uses 54.34% cyan, 49.32% magenta, 0% yellow and 14.12% black. Its hue angle is 234.45°, with 62.3% saturation and 62.55% 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 brand accents. Black text on this color reaches a contrast ratio of 4.84:1 (WCAG AA). The closest named color is Royal Blue (#4169e1), ΔE 5.02.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#6666cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1919

Complementary

  1. #646fdb
  2. #dbd064

Split complementary

  1. #646fdb
  2. #db9464
  3. #abdb64

Analogous

  1. #64abdb
  2. #646fdb
  3. #9464db

Triadic

  1. #646fdb
  2. #db646f
  3. #6fdb64

Tetradic

  1. #646fdb
  2. #d064db
  3. #dbd064
  4. #6fdb64

Square

  1. #646fdb
  2. #db64ab
  3. #dbd064
  4. #64db94

Monochromatic

  1. #1f2987
  2. #2e3cc5
  3. #646fdb
  4. #a2a9e9
  5. #e0e2f8

Shades

#646fdb mixed progressively with black.

  1. #646fdb
  2. #5a64c5
  3. #5059af
  4. #464e99
  5. #3c4383
  6. #32386e
  7. #282c58
  8. #1e2142
  9. #14162c
  10. #0a0b16
  11. #000000

Tints

#646fdb mixed progressively with white.

  1. #646fdb
  2. #747ddf
  3. #838ce2
  4. #939ae6
  5. #a2a9e9
  6. #b2b7ed
  7. #c1c5f1
  8. #d1d4f4
  9. #e0e2f8
  10. #f0f1fb
  11. #ffffff

Tones

#646fdb mixed progressively with gray.

  1. #646fdb
  2. #6771d2
  3. #6a72c9
  4. #6c74c0
  5. #6f76b7
  6. #7278ae
  7. #7579a4
  8. #787b9b
  9. #7a7d92
  10. #7d7e89
  11. #808080

Readable text 4.34:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.84:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #797979 ≈ 0.003% of males
Achromatomaly #7175a9 ≈ 0.001% of males
Protanopia #397edf ≈ 1.01% of males
Deuteranopia #2974d9 ≈ 1.27% of males
Tritanopia #28879b ≈ 0.0001% of males
Protanomaly #4e78dd ≈ 1.08% of males
Deuteranomaly #4872da ≈ 4.63% of males
Tritanomaly #477eb8 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-646fdb {
  color: #646fdb;
}
Background
.bg-646fdb {
  background-color: #646fdb;
  color: #000000;
}
Border
.border-646fdb {
  border: 2px solid #646fdb;
}
CSS variables
:root {
  --color-primary: #646fdb;
  --color-primary-rgb: 100 111 219;
  --color-primary-hsl: 234 62% 63%;
}
Gradient
.gradient-646fdb {
  background: linear-gradient(135deg, #646fdb, #9464db);
}
Colored shadow
.shadow-646fdb {
  box-shadow: 0 8px 24px rgb(100 111 219 / 0.35);
}

#4169e1 Royal Blue ΔE 5.02 #4166f5 Ultramarine Blue ΔE 5.30 #7b68ee Medium Slate Blue ΔE 5.70 #6a5acd Slate Blue ΔE 7.59 #0070ff Brandeis Blue ΔE 7.94 #6082b6 Glaucous ΔE 8.30 #9370db Medium Purple ΔE 9.54 #9b9024 Inverted #797979 Grayscale 

Royal Blue
#646fdb  rgb(100, 111, 219)  hsl(234, 62%, 63%)  Royal Blue
#dbd064  rgb(219, 208, 100)  hsl(54, 62%, 63%)  Straw
#db646f  rgb(219, 100, 111)  hsl(354, 62%, 63%)  Indian Red
#6fdb64  rgb(111, 219, 100)  hsl(114, 62%, 63%)  Pastel Green