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#175AEF

#175aef ≈ Ultramarine Blue

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#175aef is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 9.02% red, 35.29% green and 93.73% blue; printed in CMYK it uses 90.38% cyan, 62.34% magenta, 0% yellow and 6.27% black. Its hue angle is 221.39°, with 87.1% saturation and 51.37% 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 5.61:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 4.63.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#0066ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1373

Complementary

  1. #175aef
  2. #efac17

Split complementary

  1. #175aef
  2. #ef4017
  3. #c6ef17

Analogous

  1. #17c6ef
  2. #175aef
  3. #4017ef

Triadic

  1. #175aef
  2. #ef175a
  3. #5aef17

Tetradic

  1. #175aef
  2. #ac17ef
  3. #efac17
  4. #5aef17

Square

  1. #175aef
  2. #ef17c6
  3. #efac17
  4. #17ef40

Monochromatic

  1. #072466
  2. #0c3eae
  3. #175aef
  4. #5f8df4
  5. #a6c0f9

Shades

#175aef mixed progressively with black.

  1. #175aef
  2. #1551d7
  3. #1248bf
  4. #103fa7
  5. #0e368f
  6. #0c2d78
  7. #092460
  8. #071b48
  9. #051230
  10. #020918
  11. #000000

Tints

#175aef mixed progressively with white.

  1. #175aef
  2. #2e6bf1
  3. #457bf2
  4. #5d8cf4
  5. #749cf5
  6. #8badf7
  7. #a2bdf9
  8. #b9cefa
  9. #d1defc
  10. #e8effd
  11. #ffffff

Tones

#175aef mixed progressively with gray.

  1. #175aef
  2. #225ee4
  3. #2c62d9
  4. #3765ce
  5. #4169c3
  6. #4c6db8
  7. #5671ac
  8. #6175a1
  9. #6b7896
  10. #767c8b
  11. #808080

Readable text 5.61:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.75:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #686868 ≈ 0.003% of males
Achromatomaly #5362af ≈ 0.001% of males
Protanopia #0072f4 ≈ 1.01% of males
Deuteranopia #005eec ≈ 1.27% of males
Tritanopia #00829c ≈ 0.0001% of males
Protanomaly #0069f2 ≈ 1.08% of males
Deuteranomaly #005ced ≈ 4.63% of males
Tritanomaly #0074c3 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-175aef {
  color: #175aef;
}
Background
.bg-175aef {
  background-color: #175aef;
  color: #ffffff;
}
Border
.border-175aef {
  border: 2px solid #175aef;
}
CSS variables
:root {
  --color-primary: #175aef;
  --color-primary-rgb: 23 90 239;
  --color-primary-hsl: 221 87% 51%;
}
Gradient
.gradient-175aef {
  background: linear-gradient(135deg, #175aef, #4017ef);
}
Colored shadow
.shadow-175aef {
  box-shadow: 0 8px 24px rgb(23 90 239 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 4.63 #4169e1 Royal Blue ΔE 5.06 #1560bd Denim ΔE 7.42 #0f52ba Sapphire ΔE 7.46 #6050dc Majorelle Blue ΔE 7.70 #0070ff Brandeis Blue ΔE 7.79 #5a4fcf Iris ΔE 7.80 #e8a510 Inverted #686868 Grayscale 

Ultramarine Blue
#175aef  rgb(23, 90, 239)  hsl(221, 87%, 51%)  Ultramarine Blue
#efac17  rgb(239, 172, 23)  hsl(41, 87%, 51%)  Marigold
#ef175a  rgb(239, 23, 90)  hsl(341, 87%, 51%)  Amaranth
#5aef17  rgb(90, 239, 23)  hsl(101, 87%, 51%)  Harlequin