ColorTool
Log in
#181FBC

#181fbc ≈ Medium Blue

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
Check contrast Explore in graph Random color

#181fbc is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 9.41% red, 12.16% green and 73.73% blue; printed in CMYK it uses 87.23% cyan, 83.51% magenta, 0% yellow and 26.27% black. Its hue angle is 237.44°, with 77.36% saturation and 41.57% 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 10.71:1 (WCAG AAA). The closest named color is Medium Blue (#0000cd), ΔE 3.39.

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 luminance0.0481

Complementary

  1. #181fbc
  2. #bcb518

Split complementary

  1. #181fbc
  2. #bc6318
  3. #71bc18

Analogous

  1. #1871bc
  2. #181fbc
  3. #6318bc

Triadic

  1. #181fbc
  2. #bc181f
  3. #1fbc18

Tetradic

  1. #181fbc
  2. #b518bc
  3. #bcb518
  4. #1fbc18

Square

  1. #181fbc
  2. #bc1871
  3. #bcb518
  4. #18bc63

Monochromatic

  1. #070934
  2. #0f1478
  3. #181fbc
  4. #3b42e6
  5. #7e83ef

Shades

#181fbc mixed progressively with black.

  1. #181fbc
  2. #161ca9
  3. #131996
  4. #111684
  5. #0e1371
  6. #0c105e
  7. #0a0c4b
  8. #070938
  9. #050626
  10. #020313
  11. #000000

Tints

#181fbc mixed progressively with white.

  1. #181fbc
  2. #2f35c3
  3. #464cc9
  4. #5d62d0
  5. #7479d7
  6. #8c8fde
  7. #a3a5e4
  8. #babceb
  9. #d1d2f2
  10. #e8e9f8
  11. #ffffff

Tones

#181fbc mixed progressively with gray.

  1. #181fbc
  2. #2229b6
  3. #2d32b0
  4. #373caa
  5. #4246a4
  6. #4c509e
  7. #565998
  8. #616392
  9. #6b6d8c
  10. #767686
  11. #808080

Readable text 10.71:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.96:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #3e3e3e ≈ 0.003% of males
Achromatomaly #323484 ≈ 0.001% of males
Protanopia #0046c0 ≈ 1.01% of males
Deuteranopia #0035b9 ≈ 1.27% of males
Tritanopia #005370 ≈ 0.0001% of males
Protanomaly #003abf ≈ 1.08% of males
Deuteranomaly #002eba ≈ 4.63% of males
Tritanomaly #004495 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-181fbc {
  color: #181fbc;
}
Background
.bg-181fbc {
  background-color: #181fbc;
  color: #ffffff;
}
Border
.border-181fbc {
  border: 2px solid #181fbc;
}
CSS variables
:root {
  --color-primary: #181fbc;
  --color-primary-rgb: 24 31 188;
  --color-primary-hsl: 237 77% 42%;
}
Gradient
.gradient-181fbc {
  background: linear-gradient(135deg, #181fbc, #6318bc);
}
Colored shadow
.shadow-181fbc {
  box-shadow: 0 8px 24px rgb(24 31 188 / 0.35);
}

#0000cd Medium Blue ΔE 3.39 #0014a8 Zaffre ΔE 3.63 #002395 Imperial Blue ΔE 5.73 #1c39bb Persian Blue ΔE 6.04 #1034a6 Egyptian Blue ΔE 6.11 #0000ff Blue ΔE 7.61 #003399 Smalt ΔE 7.70 #e7e043 Inverted #3e3e3e Grayscale 

Medium Blue
#181fbc  rgb(24, 31, 188)  hsl(237, 77%, 42%)  Medium Blue
#bcb518  rgb(188, 181, 24)  hsl(57, 77%, 42%)  Old Gold
#bc181f  rgb(188, 24, 31)  hsl(357, 77%, 42%)  Firebrick
#1fbc18  rgb(31, 188, 24)  hsl(117, 77%, 42%)  Kelly Green