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#255BDD

#255bdd ≈ Royal Blue

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
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#255bdd is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 14.51% red, 35.69% green and 86.67% blue; printed in CMYK it uses 83.26% cyan, 58.82% magenta, 0% yellow and 13.33% black. Its hue angle is 222.39°, with 73.02% saturation and 50.59% 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. White text on this color reaches a contrast ratio of 5.8:1 (WCAG AA). The closest named color is Royal Blue (#4169e1), ΔE 4.89.

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 luminance0.131

Complementary

  1. #255bdd
  2. #dda725

Split complementary

  1. #255bdd
  2. #dd4b25
  3. #b7dd25

Analogous

  1. #25b7dd
  2. #255bdd
  3. #4b25dd

Triadic

  1. #255bdd
  2. #dd255b
  3. #5bdd25

Tetradic

  1. #255bdd
  2. #a725dd
  3. #dda725
  4. #5bdd25

Square

  1. #255bdd
  2. #dd25b7
  3. #dda725
  4. #25dd4b

Monochromatic

  1. #0e255b
  2. #183f9d
  3. #255bdd
  4. #678de7
  5. #a9bff2

Shades

#255bdd mixed progressively with black.

  1. #255bdd
  2. #2152c7
  3. #1e49b1
  4. #1a409b
  5. #163785
  6. #132e6f
  7. #0f2458
  8. #0b1b42
  9. #07122c
  10. #040916
  11. #000000

Tints

#255bdd mixed progressively with white.

  1. #255bdd
  2. #3b6be0
  3. #517ce4
  4. #668ce7
  5. #7c9deb
  6. #92adee
  7. #a8bdf1
  8. #becef5
  9. #d3def8
  10. #e9effc
  11. #ffffff

Tones

#255bdd mixed progressively with gray.

  1. #255bdd
  2. #2e5fd4
  3. #3762ca
  4. #4066c1
  5. #496ab8
  6. #536eaf
  7. #5c71a5
  8. #65759c
  9. #6e7993
  10. #777c89
  11. #808080

Readable text 5.8:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.62:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #656565 ≈ 0.003% of males
Achromatomaly #5361a3 ≈ 0.001% of males
Protanopia #006ee1 ≈ 1.01% of males
Deuteranopia #005ddb ≈ 1.27% of males
Tritanopia #007c93 ≈ 0.0001% of males
Protanomaly #0067e0 ≈ 1.08% of males
Deuteranomaly #005cdc ≈ 4.63% of males
Tritanomaly #0070b5 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-255bdd {
  color: #255bdd;
}
Background
.bg-255bdd {
  background-color: #255bdd;
  color: #ffffff;
}
Border
.border-255bdd {
  border: 2px solid #255bdd;
}
CSS variables
:root {
  --color-primary: #255bdd;
  --color-primary-rgb: 37 91 221;
  --color-primary-hsl: 222 73% 51%;
}
Gradient
.gradient-255bdd {
  background: linear-gradient(135deg, #255bdd, #4b25dd);
}
Colored shadow
.shadow-255bdd {
  box-shadow: 0 8px 24px rgb(37 91 221 / 0.35);
}

#4169e1 Royal Blue ΔE 4.89 #4166f5 Ultramarine Blue ΔE 5.56 #1560bd Denim ΔE 5.69 #0f52ba Sapphire ΔE 5.69 #5a4fcf Iris ΔE 7.67 #6050dc Majorelle Blue ΔE 8.08 #0070ff Brandeis Blue ΔE 8.30 #daa422 Inverted #656565 Grayscale 

Royal Blue
#255bdd  rgb(37, 91, 221)  hsl(222, 73%, 51%)  Royal Blue
#dda725  rgb(221, 167, 37)  hsl(42, 73%, 51%)  Goldenrod
#dd255b  rgb(221, 37, 91)  hsl(342, 73%, 51%)  Raspberry
#5bdd25  rgb(91, 221, 37)  hsl(102, 73%, 51%)  Lime Green