ColorTool
Log in
#281FBE

#281fbe ≈ Medium Blue

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

#281fbe is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 15.69% red, 12.16% green and 74.51% blue; printed in CMYK it uses 78.95% cyan, 83.68% magenta, 0% yellow and 25.49% black. Its hue angle is 243.4°, with 71.95% saturation and 43.33% 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 10.35:1 (WCAG AAA). The closest named color is Medium Blue (#0000cd), ΔE 3.4.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3333cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0515

Complementary

  1. #281fbe
  2. #b5be1f

Split complementary

  1. #281fbe
  2. #be781f
  3. #65be1f

Analogous

  1. #1f65be
  2. #281fbe
  3. #781fbe

Triadic

  1. #281fbe
  2. #be281f
  3. #1fbe28

Tetradic

  1. #281fbe
  2. #be1fb5
  3. #b5be1f
  4. #1fbe28

Square

  1. #281fbe
  2. #be1f65
  3. #b5be1f
  4. #1fbe78

Monochromatic

  1. #0c0a3a
  2. #1a147c
  3. #281fbe
  4. #5148e1
  5. #908aec

Shades

#281fbe mixed progressively with black.

  1. #281fbe
  2. #241cab
  3. #201998
  4. #1c1685
  5. #181372
  6. #14105f
  7. #100c4c
  8. #0c0939
  9. #080626
  10. #040313
  11. #000000

Tints

#281fbe mixed progressively with white.

  1. #281fbe
  2. #3e35c5
  3. #534ccb
  4. #6962d2
  5. #7e79d8
  6. #948fdf
  7. #a9a5e5
  8. #bfbcec
  9. #d4d2f2
  10. #eae9f9
  11. #ffffff

Tones

#281fbe mixed progressively with gray.

  1. #281fbe
  2. #3129b8
  3. #3a32b2
  4. #423cab
  5. #4b46a5
  6. #54509f
  7. #5d5999
  8. #666393
  9. #6e6d8c
  10. #777686
  11. #808080

Readable text 10.35:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.03:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #404040 ≈ 0.003% of males
Achromatomaly #383686 ≈ 0.001% of males
Protanopia #0048c2 ≈ 1.01% of males
Deuteranopia #0038bb ≈ 1.27% of males
Tritanopia #005371 ≈ 0.0001% of males
Protanomaly #003bc1 ≈ 1.08% of males
Deuteranomaly #0030bc ≈ 4.63% of males
Tritanomaly #004496 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-281fbe {
  color: #281fbe;
}
Background
.bg-281fbe {
  background-color: #281fbe;
  color: #ffffff;
}
Border
.border-281fbe {
  border: 2px solid #281fbe;
}
CSS variables
:root {
  --color-primary: #281fbe;
  --color-primary-rgb: 40 31 190;
  --color-primary-hsl: 243 72% 43%;
}
Gradient
.gradient-281fbe {
  background: linear-gradient(135deg, #281fbe, #781fbe);
}
Colored shadow
.shadow-281fbe {
  box-shadow: 0 8px 24px rgb(40 31 190 / 0.35);
}

#0000cd Medium Blue ΔE 3.40 #0014a8 Zaffre ΔE 4.32 #1c39bb Persian Blue ΔE 6.12 #002395 Imperial Blue ΔE 6.47 #1034a6 Egyptian Blue ΔE 6.56 #0000ff Blue ΔE 7.11 #3f00ff Ultramarine ΔE 8.14 #d7e041 Inverted #404040 Grayscale 

Medium Blue
#281fbe  rgb(40, 31, 190)  hsl(243, 72%, 43%)  Medium Blue
#b5be1f  rgb(181, 190, 31)  hsl(63, 72%, 43%)  Apple Green
#be281f  rgb(190, 40, 31)  hsl(3, 72%, 43%)  Venetian Red
#1fbe28  rgb(31, 190, 40)  hsl(123, 72%, 43%)  Kelly Green