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#3F71DB

#3f71db ≈ Royal Blue

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
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#3f71db is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 24.71% red, 44.31% green and 85.88% blue; printed in CMYK it uses 71.23% cyan, 48.4% magenta, 0% yellow and 14.12% black. Its hue angle is 220.77°, with 68.42% saturation and 55.29% 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 4.6:1 (WCAG AA). The closest named color is Royal Blue (#4169e1), ΔE 3.18.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3366cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1798

Complementary

  1. #3f71db
  2. #dba93f

Split complementary

  1. #3f71db
  2. #db5b3f
  3. #bfdb3f

Analogous

  1. #3fbfdb
  2. #3f71db
  3. #5b3fdb

Triadic

  1. #3f71db
  2. #db3f71
  3. #71db3f

Tetradic

  1. #3f71db
  2. #a93fdb
  3. #dba93f
  4. #71db3f

Square

  1. #3f71db
  2. #db3fbf
  3. #dba93f
  4. #3fdb5b

Monochromatic

  1. #14316d
  2. #204ead
  3. #3f71db
  4. #7fa1e7
  5. #c0d0f3

Shades

#3f71db mixed progressively with black.

  1. #3f71db
  2. #3966c5
  3. #325aaf
  4. #2c4f99
  5. #264483
  6. #20396e
  7. #192d58
  8. #132242
  9. #0d172c
  10. #060b16
  11. #000000

Tints

#3f71db mixed progressively with white.

  1. #3f71db
  2. #527fdf
  3. #658de2
  4. #799ce6
  5. #8caae9
  6. #9fb8ed
  7. #b2c6f1
  8. #c5d4f4
  9. #d9e3f8
  10. #ecf1fb
  11. #ffffff

Tones

#3f71db mixed progressively with gray.

  1. #3f71db
  2. #4673d2
  3. #4c74c9
  4. #5376c0
  5. #5977b7
  6. #6079ae
  7. #667aa4
  8. #6d7c9b
  9. #737d92
  10. #7a7f89
  11. #808080

Readable text 4.57:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.6:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #767676 ≈ 0.003% of males
Achromatomaly #6474a8 ≈ 0.001% of males
Protanopia #367ddf ≈ 1.01% of males
Deuteranopia #006fd9 ≈ 1.27% of males
Tritanopia #008a9b ≈ 0.0001% of males
Protanomaly #3a79dd ≈ 1.08% of males
Deuteranomaly #2670da ≈ 4.63% of males
Tritanomaly #0081b8 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-3f71db {
  color: #3f71db;
}
Background
.bg-3f71db {
  background-color: #3f71db;
  color: #000000;
}
Border
.border-3f71db {
  border: 2px solid #3f71db;
}
CSS variables
:root {
  --color-primary: #3f71db;
  --color-primary-rgb: 63 113 219;
  --color-primary-hsl: 221 68% 55%;
}
Gradient
.gradient-3f71db {
  background: linear-gradient(135deg, #3f71db, #5b3fdb);
}
Colored shadow
.shadow-3f71db {
  box-shadow: 0 8px 24px rgb(63 113 219 / 0.35);
}

#4169e1 Royal Blue ΔE 3.18 #0070ff Brandeis Blue ΔE 3.78 #4166f5 Ultramarine Blue ΔE 5.33 #417dc1 Tufts Blue ΔE 5.69 #0073cf True Blue ΔE 5.73 #6082b6 Glaucous ΔE 7.09 #1560bd Denim ΔE 7.77 #c08e24 Inverted #767676 Grayscale 

Royal Blue
#3f71db  rgb(63, 113, 219)  hsl(221, 68%, 55%)  Royal Blue
#dba93f  rgb(219, 169, 63)  hsl(41, 68%, 55%)  Goldenrod
#db3f71  rgb(219, 63, 113)  hsl(341, 68%, 55%)  Razzmatazz
#71db3f  rgb(113, 219, 63)  hsl(101, 68%, 55%)  Lime Green