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#355EFF

#355eff ≈ Ultramarine Blue

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#355eff is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 20.78% red, 36.86% green and 100% blue; printed in CMYK it uses 79.22% cyan, 63.14% magenta, 0% yellow and 0% black. Its hue angle is 227.82°, with 100% saturation and 60.39% 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 5:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 2.58.

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 luminance0.1598

Complementary

  1. #355eff
  2. #ffd635

Split complementary

  1. #355eff
  2. #ff7135
  3. #c3ff35

Analogous

  1. #35c3ff
  2. #355eff
  3. #7135ff

Triadic

  1. #355eff
  2. #ff355e
  3. #5eff35

Tetradic

  1. #355eff
  2. #d635ff
  3. #ffd635
  4. #5eff35

Square

  1. #355eff
  2. #ff35c3
  3. #ffd635
  4. #35ff71

Monochromatic

  1. #001f9b
  2. #002fe7
  3. #355eff
  4. #819bff
  5. #ced8ff

Shades

#355eff mixed progressively with black.

  1. #355eff
  2. #3055e6
  3. #2a4bcc
  4. #2542b3
  5. #203899
  6. #1b2f80
  7. #152666
  8. #101c4d
  9. #0b1333
  10. #05091a
  11. #000000

Tints

#355eff mixed progressively with white.

  1. #355eff
  2. #496eff
  3. #5d7eff
  4. #728eff
  5. #869eff
  6. #9aafff
  7. #aebfff
  8. #c2cfff
  9. #d7dfff
  10. #ebefff
  11. #ffffff

Tones

#355eff mixed progressively with gray.

  1. #355eff
  2. #3d61f2
  3. #4465e6
  4. #4c68d9
  5. #536ccc
  6. #5b6fc0
  7. #6272b3
  8. #6a76a6
  9. #717999
  10. #797d8d
  11. #808080

Readable text 5:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.2:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #6f6f6f ≈ 0.003% of males
Achromatomaly #5d69bb ≈ 0.001% of males
Protanopia #0079ff ≈ 1.01% of males
Deuteranopia #0066fc ≈ 1.27% of males
Tritanopia #0089a6 ≈ 0.0001% of males
Protanomaly #006fff ≈ 1.08% of males
Deuteranomaly #0063fd ≈ 4.63% of males
Tritanomaly #007ad0 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-355eff {
  color: #355eff;
}
Background
.bg-355eff {
  background-color: #355eff;
  color: #ffffff;
}
Border
.border-355eff {
  border: 2px solid #355eff;
}
CSS variables
:root {
  --color-primary: #355eff;
  --color-primary-rgb: 53 94 255;
  --color-primary-hsl: 228 100% 60%;
}
Gradient
.gradient-355eff {
  background: linear-gradient(135deg, #355eff, #7135ff);
}
Colored shadow
.shadow-355eff {
  box-shadow: 0 8px 24px rgb(53 94 255 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 2.58 #4169e1 Royal Blue ΔE 4.82 #0070ff Brandeis Blue ΔE 6.86 #6050dc Majorelle Blue ΔE 7.43 #5a4fcf Iris ΔE 8.36 #6a5acd Slate Blue ΔE 8.52 #7b68ee Medium Slate Blue ΔE 8.67 #caa100 Inverted #6f6f6f Grayscale 

Ultramarine Blue
#355eff  rgb(53, 94, 255)  hsl(228, 100%, 60%)  Ultramarine Blue
#ffd635  rgb(255, 214, 53)  hsl(48, 100%, 60%)  Cyber Yellow
#ff355e  rgb(255, 53, 94)  hsl(348, 100%, 60%)  Neon Fuchsia
#5eff35  rgb(94, 255, 53)  hsl(108, 100%, 60%)  Neon Green