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#2355FF

#2355ff ≈ Ultramarine Blue

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#2355ff is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 13.73% red, 33.33% green and 100% blue; printed in CMYK it uses 86.27% cyan, 66.67% magenta, 0% yellow and 0% black. Its hue angle is 226.36°, with 100% saturation and 56.86% 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 call-to-action buttons. White text on this color reaches a contrast ratio of 5.5:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 5.18.

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 luminance0.1407

Complementary

  1. #2355ff
  2. #ffcd23

Split complementary

  1. #2355ff
  2. #ff5f23
  3. #c3ff23

Analogous

  1. #23c3ff
  2. #2355ff
  3. #5f23ff

Triadic

  1. #2355ff
  2. #ff2355
  3. #55ff23

Tetradic

  1. #2355ff
  2. #cd23ff
  3. #ffcd23
  4. #55ff23

Square

  1. #2355ff
  2. #ff23c3
  3. #ffcd23
  4. #23ff5f

Monochromatic

  1. #001f89
  2. #0031d5
  3. #2355ff
  4. #6f90ff
  5. #bccbff

Shades

#2355ff mixed progressively with black.

  1. #2355ff
  2. #204de6
  3. #1c44cc
  4. #193cb3
  5. #153399
  6. #122b80
  7. #0e2266
  8. #0b1a4d
  9. #071133
  10. #04091a
  11. #000000

Tints

#2355ff mixed progressively with white.

  1. #2355ff
  2. #3966ff
  3. #4f77ff
  4. #6588ff
  5. #7b99ff
  6. #91aaff
  7. #a7bbff
  8. #bdccff
  9. #d3ddff
  10. #e9eeff
  11. #ffffff

Tones

#2355ff mixed progressively with gray.

  1. #2355ff
  2. #2c59f2
  3. #365ee6
  4. #3f62d9
  5. #4866cc
  6. #526bc0
  7. #5b6fb3
  8. #6473a6
  9. #6d7799
  10. #777c8d
  11. #808080

Readable text 5.5:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.81:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #696969 ≈ 0.003% of males
Achromatomaly #5561b9 ≈ 0.001% of males
Protanopia #0073ff ≈ 1.01% of males
Deuteranopia #005ffc ≈ 1.27% of males
Tritanopia #0084a3 ≈ 0.0001% of males
Protanomaly #0069ff ≈ 1.08% of males
Deuteranomaly #005bfd ≈ 4.63% of males
Tritanomaly #0074ce ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-2355ff {
  color: #2355ff;
}
Background
.bg-2355ff {
  background-color: #2355ff;
  color: #ffffff;
}
Border
.border-2355ff {
  border: 2px solid #2355ff;
}
CSS variables
:root {
  --color-primary: #2355ff;
  --color-primary-rgb: 35 85 255;
  --color-primary-hsl: 226 100% 57%;
}
Gradient
.gradient-2355ff {
  background: linear-gradient(135deg, #2355ff, #5f23ff);
}
Colored shadow
.shadow-2355ff {
  box-shadow: 0 8px 24px rgb(35 85 255 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 5.18 #6050dc Majorelle Blue ΔE 6.49 #4169e1 Royal Blue ΔE 6.79 #5a4fcf Iris ΔE 7.22 #6a5acd Slate Blue ΔE 8.64 #0070ff Brandeis Blue ΔE 9.12 #0f52ba Sapphire ΔE 9.61 #dcaa00 Inverted #696969 Grayscale 

Ultramarine Blue
#2355ff  rgb(35, 85, 255)  hsl(226, 100%, 57%)  Ultramarine Blue
#ffcd23  rgb(255, 205, 35)  hsl(46, 100%, 57%)  Sunglow
#ff2355  rgb(255, 35, 85)  hsl(346, 100%, 57%)  Folly
#55ff23  rgb(85, 255, 35)  hsl(106, 100%, 57%)  Harlequin