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#181CD1

#181cd1 ≈ Medium Blue

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
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#181cd1 is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 9.41% red, 10.98% green and 81.96% blue; printed in CMYK it uses 88.52% cyan, 86.6% magenta, 0% yellow and 18.04% black. Its hue angle is 238.7°, with 79.4% saturation and 45.69% 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 9.88:1 (WCAG AAA). The closest named color is Medium Blue (#0000cd), ΔE 3.02.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#0033cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0563

Complementary

  1. #181cd1
  2. #d1cd18

Split complementary

  1. #181cd1
  2. #d17118
  3. #79d118

Analogous

  1. #1879d1
  2. #181cd1
  3. #7118d1

Triadic

  1. #181cd1
  2. #d1181c
  3. #1cd118

Tetradic

  1. #181cd1
  2. #cd18d1
  3. #d1cd18
  4. #1cd118

Square

  1. #181cd1
  2. #d11879
  3. #d1cd18
  4. #18d171

Monochromatic

  1. #080a48
  2. #10138c
  3. #181cd1
  4. #4b4fea
  5. #9092f2

Shades

#181cd1 mixed progressively with black.

  1. #181cd1
  2. #1619bc
  3. #1316a7
  4. #111492
  5. #0e117d
  6. #0c0e69
  7. #0a0b54
  8. #07083f
  9. #05062a
  10. #020315
  11. #000000

Tints

#181cd1 mixed progressively with white.

  1. #181cd1
  2. #2f33d6
  3. #4649da
  4. #5d60df
  5. #7477e3
  6. #8c8ee8
  7. #a3a4ed
  8. #babbf1
  9. #d1d2f6
  10. #e8e8fa
  11. #ffffff

Tones

#181cd1 mixed progressively with gray.

  1. #181cd1
  2. #2226c9
  3. #2d30c1
  4. #373ab9
  5. #4244b1
  6. #4c4ea9
  7. #5658a0
  8. #616298
  9. #6b6c90
  10. #767688
  11. #808080

Readable text 9.88:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.13:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #434343 ≈ 0.003% of males
Achromatomaly #363792 ≈ 0.001% of males
Protanopia #004dd6 ≈ 1.01% of males
Deuteranopia #0039ce ≈ 1.27% of males
Tritanopia #005b7c ≈ 0.0001% of males
Protanomaly #003ed4 ≈ 1.08% of males
Deuteranomaly #0030cf ≈ 4.63% of males
Tritanomaly #0049a5 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-181cd1 {
  color: #181cd1;
}
Background
.bg-181cd1 {
  background-color: #181cd1;
  color: #ffffff;
}
Border
.border-181cd1 {
  border: 2px solid #181cd1;
}
CSS variables
:root {
  --color-primary: #181cd1;
  --color-primary-rgb: 24 28 209;
  --color-primary-hsl: 239 79% 46%;
}
Gradient
.gradient-181cd1 {
  background: linear-gradient(135deg, #181cd1, #7118d1);
}
Colored shadow
.shadow-181cd1 {
  box-shadow: 0 8px 24px rgb(24 28 209 / 0.35);
}

#0000cd Medium Blue ΔE 3.02 #0000ff Blue ΔE 5.04 #0014a8 Zaffre ΔE 5.90 #3f00ff Ultramarine ΔE 6.34 #1c39bb Persian Blue ΔE 6.52 #5218fa Han Purple ΔE 7.39 #1034a6 Egyptian Blue ΔE 7.70 #e7e32e Inverted #434343 Grayscale 

Medium Blue
#181cd1  rgb(24, 28, 209)  hsl(239, 79%, 46%)  Medium Blue
#d1cd18  rgb(209, 205, 24)  hsl(59, 79%, 46%)  Citrine
#d1181c  rgb(209, 24, 28)  hsl(359, 79%, 46%)  Lava
#1cd118  rgb(28, 209, 24)  hsl(119, 79%, 46%)  Lime Green