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#5571FF

#5571ff ≈ Ultramarine Blue

  • blue
  • Lightness: high
  • Saturation: strong
  • Cool
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#5571ff is a color from the blue family, with high lightness and strong saturation. In the RGB model it is made of 33.33% red, 44.31% green and 100% blue; printed in CMYK it uses 66.67% cyan, 55.69% magenta, 0% yellow and 0% black. Its hue angle is 230.12°, with 100% saturation and 66.67% 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. Black text on this color reaches a contrast ratio of 5.19:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 4.38.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#6666ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2096

Complementary

  1. #5571ff
  2. #ffe355

Split complementary

  1. #5571ff
  2. #ff8e55
  3. #c6ff55

Analogous

  1. #55c6ff
  2. #5571ff
  3. #8e55ff

Triadic

  1. #5571ff
  2. #ff5571
  3. #71ff55

Tetradic

  1. #5571ff
  2. #e355ff
  3. #ffe355
  4. #71ff55

Square

  1. #5571ff
  2. #ff55c6
  3. #ffe355
  4. #55ff8e

Monochromatic

  1. #001fbb
  2. #0931ff
  3. #5571ff
  4. #a2b1ff
  5. #ebeeff

Shades

#5571ff mixed progressively with black.

  1. #5571ff
  2. #4d66e6
  3. #445acc
  4. #3c4fb3
  5. #334499
  6. #2b3980
  7. #222d66
  8. #1a224d
  9. #111733
  10. #090b1a
  11. #000000

Tints

#5571ff mixed progressively with white.

  1. #5571ff
  2. #667fff
  3. #778dff
  4. #889cff
  5. #99aaff
  6. #aab8ff
  7. #bbc6ff
  8. #ccd4ff
  9. #dde3ff
  10. #eef1ff
  11. #ffffff

Tones

#5571ff mixed progressively with gray.

  1. #5571ff
  2. #5973f2
  3. #5e74e6
  4. #6276d9
  5. #6677cc
  6. #6b79c0
  7. #6f7ab3
  8. #737ca6
  9. #777d99
  10. #7c7f8d
  11. #808080

Readable text 4.04:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.19:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7e7e7e ≈ 0.003% of males
Achromatomaly #7079c0 ≈ 0.001% of males
Protanopia #0086ff ≈ 1.01% of males
Deuteranopia #0077fc ≈ 1.27% of males
Tritanopia #0094ad ≈ 0.0001% of males
Protanomaly #2d7eff ≈ 1.08% of males
Deuteranomaly #0f75fd ≈ 4.63% of males
Tritanomaly #0087d3 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-5571ff {
  color: #5571ff;
}
Background
.bg-5571ff {
  background-color: #5571ff;
  color: #000000;
}
Border
.border-5571ff {
  border: 2px solid #5571ff;
}
CSS variables
:root {
  --color-primary: #5571ff;
  --color-primary-rgb: 85 113 255;
  --color-primary-hsl: 230 100% 67%;
}
Gradient
.gradient-5571ff {
  background: linear-gradient(135deg, #5571ff, #8e55ff);
}
Colored shadow
.shadow-5571ff {
  box-shadow: 0 8px 24px rgb(85 113 255 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 4.38 #0070ff Brandeis Blue ΔE 5.43 #4169e1 Royal Blue ΔE 5.67 #7b68ee Medium Slate Blue ΔE 6.95 #6082b6 Glaucous ΔE 9.25 #417dc1 Tufts Blue ΔE 10.11 #6a5acd Slate Blue ΔE 10.89 #aa8e00 Inverted #7e7e7e Grayscale 

Ultramarine Blue
#5571ff  rgb(85, 113, 255)  hsl(230, 100%, 67%)  Ultramarine Blue
#ffe355  rgb(255, 227, 85)  hsl(50, 100%, 67%)  Banana Yellow
#ff5571  rgb(255, 85, 113)  hsl(350, 100%, 67%)  Neon Fuchsia
#71ff55  rgb(113, 255, 85)  hsl(110, 100%, 67%)  Neon Green