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#3166FD

#3166fd ≈ Ultramarine Blue

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#3166fd is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 19.22% red, 40% green and 99.22% blue; printed in CMYK it uses 80.63% cyan, 59.68% magenta, 0% yellow and 0.78% black. Its hue angle is 224.41°, with 98.08% saturation and 59.22% 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 4.72:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 1.23.

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 luminance0.1725

Complementary

  1. #3166fd
  2. #fdc831

Split complementary

  1. #3166fd
  2. #fd6231
  3. #ccfd31

Analogous

  1. #31ccfd
  2. #3166fd
  3. #6231fd

Triadic

  1. #3166fd
  2. #fd3166
  3. #66fd31

Tetradic

  1. #3166fd
  2. #c831fd
  3. #fdc831
  4. #66fd31

Square

  1. #3166fd
  2. #fd31cc
  3. #fdc831
  4. #31fd62

Monochromatic

  1. #012794
  2. #023cdf
  3. #3166fd
  4. #7d9efe
  5. #c9d7fe

Shades

#3166fd mixed progressively with black.

  1. #3166fd
  2. #2c5ce4
  3. #2752ca
  4. #2247b1
  5. #1d3d98
  6. #19337f
  7. #142965
  8. #0f1f4c
  9. #0a1433
  10. #050a19
  11. #000000

Tints

#3166fd mixed progressively with white.

  1. #3166fd
  2. #4675fd
  3. #5a85fd
  4. #6f94fe
  5. #83a3fe
  6. #98b3fe
  7. #adc2fe
  8. #c1d1fe
  9. #d6e0ff
  10. #eaf0ff
  11. #ffffff

Tones

#3166fd mixed progressively with gray.

  1. #3166fd
  2. #3969f1
  3. #416be4
  4. #496ed8
  5. #5170cb
  6. #5973bf
  7. #6076b2
  8. #6878a6
  9. #707b99
  10. #787d8d
  11. #808080

Readable text 4.72:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.45:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #737373 ≈ 0.003% of males
Achromatomaly #606ebb ≈ 0.001% of males
Protanopia #007dff ≈ 1.01% of males
Deuteranopia #006afa ≈ 1.27% of males
Tritanopia #008da8 ≈ 0.0001% of males
Protanomaly #0075ff ≈ 1.08% of males
Deuteranomaly #0069fb ≈ 4.63% of males
Tritanomaly #007fcf ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-3166fd {
  color: #3166fd;
}
Background
.bg-3166fd {
  background-color: #3166fd;
  color: #ffffff;
}
Border
.border-3166fd {
  border: 2px solid #3166fd;
}
CSS variables
:root {
  --color-primary: #3166fd;
  --color-primary-rgb: 49 102 253;
  --color-primary-hsl: 224 98% 59%;
}
Gradient
.gradient-3166fd {
  background: linear-gradient(135deg, #3166fd, #6231fd);
}
Colored shadow
.shadow-3166fd {
  box-shadow: 0 8px 24px rgb(49 102 253 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 1.23 #4169e1 Royal Blue ΔE 3.23 #0070ff Brandeis Blue ΔE 4.28 #7b68ee Medium Slate Blue ΔE 8.99 #1560bd Denim ΔE 9.50 #6050dc Majorelle Blue ΔE 9.57 #0073cf True Blue ΔE 9.74 #ce9902 Inverted #737373 Grayscale 

Ultramarine Blue
#3166fd  rgb(49, 102, 253)  hsl(224, 98%, 59%)  Ultramarine Blue
#fdc831  rgb(253, 200, 49)  hsl(44, 98%, 59%)  Sunglow
#fd3166  rgb(253, 49, 102)  hsl(344, 98%, 59%)  Neon Fuchsia
#66fd31  rgb(102, 253, 49)  hsl(104, 98%, 59%)  Harlequin