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#175CEF

#175cef ≈ Ultramarine Blue

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#175cef is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 9.02% red, 36.08% green and 93.73% blue; printed in CMYK it uses 90.38% cyan, 61.51% magenta, 0% yellow and 6.27% black. Its hue angle is 220.83°, 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 5.51:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 4.21.

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 luminance0.1407

Complementary

  1. #175cef
  2. #efaa17

Split complementary

  1. #175cef
  2. #ef3e17
  3. #c8ef17

Analogous

  1. #17c8ef
  2. #175cef
  3. #3e17ef

Triadic

  1. #175cef
  2. #ef175c
  3. #5cef17

Tetradic

  1. #175cef
  2. #aa17ef
  3. #efaa17
  4. #5cef17

Square

  1. #175cef
  2. #ef17c8
  3. #efaa17
  4. #17ef3e

Monochromatic

  1. #072566
  2. #0c40ae
  3. #175cef
  4. #5f8ef4
  5. #a6c1f9

Shades

#175cef mixed progressively with black.

  1. #175cef
  2. #1553d7
  3. #124abf
  4. #1040a7
  5. #0e378f
  6. #0c2e78
  7. #092560
  8. #071c48
  9. #051230
  10. #020918
  11. #000000

Tints

#175cef mixed progressively with white.

  1. #175cef
  2. #2e6cf1
  3. #457df2
  4. #5d8df4
  5. #749df5
  6. #8baef7
  7. #a2bef9
  8. #b9cefa
  9. #d1defc
  10. #e8effd
  11. #ffffff

Tones

#175cef mixed progressively with gray.

  1. #175cef
  2. #2260e4
  3. #2c63d9
  4. #3767ce
  5. #416ac3
  6. #4c6eb8
  7. #5672ac
  8. #6175a1
  9. #6b7996
  10. #767c8b
  11. #808080

Readable text 5.51:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.81:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #696969 ≈ 0.003% of males
Achromatomaly #5464af ≈ 0.001% of males
Protanopia #0073f4 ≈ 1.01% of males
Deuteranopia #005fec ≈ 1.27% of males
Tritanopia #00839d ≈ 0.0001% of males
Protanomaly #006af2 ≈ 1.08% of males
Deuteranomaly #005eed ≈ 4.63% of males
Tritanomaly #0075c3 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-175cef {
  color: #175cef;
}
Background
.bg-175cef {
  background-color: #175cef;
  color: #ffffff;
}
Border
.border-175cef {
  border: 2px solid #175cef;
}
CSS variables
:root {
  --color-primary: #175cef;
  --color-primary-rgb: 23 92 239;
  --color-primary-hsl: 221 87% 51%;
}
Gradient
.gradient-175cef {
  background: linear-gradient(135deg, #175cef, #3e17ef);
}
Colored shadow
.shadow-175cef {
  box-shadow: 0 8px 24px rgb(23 92 239 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 4.21 #4169e1 Royal Blue ΔE 4.51 #0070ff Brandeis Blue ΔE 7.16 #1560bd Denim ΔE 7.17 #0f52ba Sapphire ΔE 7.62 #6050dc Majorelle Blue ΔE 8.11 #5a4fcf Iris ΔE 8.23 #e8a310 Inverted #696969 Grayscale 

Ultramarine Blue
#175cef  rgb(23, 92, 239)  hsl(221, 87%, 51%)  Ultramarine Blue
#efaa17  rgb(239, 170, 23)  hsl(41, 87%, 51%)  Marigold
#ef175c  rgb(239, 23, 92)  hsl(341, 87%, 51%)  Cerise
#5cef17  rgb(92, 239, 23)  hsl(101, 87%, 51%)  Harlequin