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#171EA3

#171ea3 ≈ Zaffre

  • blue
  • Lightness: low
  • Saturation: strong
  • Cool
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#171ea3 is a color from the blue family, with low lightness and strong saturation. In the RGB model it is made of 9.02% red, 11.76% green and 63.92% blue; printed in CMYK it uses 85.89% cyan, 81.6% magenta, 0% yellow and 36.08% black. Its hue angle is 237°, with 75.27% saturation and 36.47% 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 brand accents. White text on this color reaches a contrast ratio of 11.99:1 (WCAG AAA). The closest named color is Zaffre (#0014a8), ΔE 1.91.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#003399
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0376

Complementary

  1. #171ea3
  2. #a39c17

Split complementary

  1. #171ea3
  2. #a35617
  3. #64a317

Analogous

  1. #1764a3
  2. #171ea3
  3. #5617a3

Triadic

  1. #171ea3
  2. #a3171e
  3. #1ea317

Tetradic

  1. #171ea3
  2. #9c17a3
  3. #a39c17
  4. #1ea317

Square

  1. #171ea3
  2. #a31764
  3. #a39c17
  4. #17a356

Monochromatic

  1. #04051d
  2. #0e1260
  3. #171ea3
  4. #262fe0
  5. #6970ea

Shades

#171ea3 mixed progressively with black.

  1. #171ea3
  2. #151b93
  3. #121882
  4. #101572
  5. #0e1262
  6. #0c0f52
  7. #090c41
  8. #070931
  9. #050621
  10. #020310
  11. #000000

Tints

#171ea3 mixed progressively with white.

  1. #171ea3
  2. #2e35ac
  3. #454bb5
  4. #5d62bf
  5. #7478c8
  6. #8b8fd1
  7. #a2a5da
  8. #b9bce3
  9. #d1d2ed
  10. #e8e9f6
  11. #ffffff

Tones

#171ea3 mixed progressively with gray.

  1. #171ea3
  2. #2228a0
  3. #2c329c
  4. #373b99
  5. #414595
  6. #4c4f92
  7. #56598e
  8. #61638b
  9. #6b6c87
  10. #767684
  11. #808080

Readable text 11.99:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.75:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #373737 ≈ 0.003% of males
Achromatomaly #2d2e72 ≈ 0.001% of males
Protanopia #003ea7 ≈ 1.01% of males
Deuteranopia #002fa1 ≈ 1.27% of males
Tritanopia #004861 ≈ 0.0001% of males
Protanomaly #0033a5 ≈ 1.08% of males
Deuteranomaly #0029a2 ≈ 4.63% of males
Tritanomaly #003c81 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-171ea3 {
  color: #171ea3;
}
Background
.bg-171ea3 {
  background-color: #171ea3;
  color: #ffffff;
}
Border
.border-171ea3 {
  border: 2px solid #171ea3;
}
CSS variables
:root {
  --color-primary: #171ea3;
  --color-primary-rgb: 23 30 163;
  --color-primary-hsl: 237 75% 36%;
}
Gradient
.gradient-171ea3 {
  background: linear-gradient(135deg, #171ea3, #5617a3);
}
Colored shadow
.shadow-171ea3 {
  box-shadow: 0 8px 24px rgb(23 30 163 / 0.35);
}

#0014a8 Zaffre ΔE 1.91 #002395 Imperial Blue ΔE 2.86 #000f89 Phthalo Blue ΔE 4.79 #0000cd Medium Blue ΔE 5.62 #1034a6 Egyptian Blue ΔE 5.78 #00008b Dark Blue ΔE 6.01 #003399 Smalt ΔE 6.53 #e8e15c Inverted #373737 Grayscale 

Zaffre
#171ea3  rgb(23, 30, 163)  hsl(237, 75%, 36%)  Zaffre
#a39c17  rgb(163, 156, 23)  hsl(57, 75%, 36%)  Brass
#a3171e  rgb(163, 23, 30)  hsl(357, 75%, 36%)  Brown
#1ea317  rgb(30, 163, 23)  hsl(117, 75%, 36%)  Islamic Green