ColorTool
Log in
#0000FF

#0000ff Blue

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
  • Web safe
  • blue
Check contrast Explore in graph Random color

#0000ff (Blue) is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 0% red, 0% green and 100% blue; printed in CMYK it uses 100% cyan, 100% magenta, 0% yellow and 0% black. Its hue angle is 240°, with 100% saturation and 50% 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 8.59:1 (WCAG AAA).

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#0000ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0722

Complementary

  1. #0000ff
  2. #ffff00

Split complementary

  1. #0000ff
  2. #ff8000
  3. #80ff00

Analogous

  1. #007fff
  2. #0000ff
  3. #7f00ff

Triadic

  1. #0000ff
  2. #ff0000
  3. #00ff00

Tetradic

  1. #0000ff
  2. #ff00ff
  3. #ffff00
  4. #00ff00

Square

  1. #0000ff
  2. #ff0080
  3. #ffff00
  4. #00ff80

Monochromatic

  1. #000066
  2. #0000b3
  3. #0000ff
  4. #4d4dff
  5. #9999ff

Shades

#0000ff mixed progressively with black.

  1. #0000ff
  2. #0000e6
  3. #0000cc
  4. #0000b3
  5. #000099
  6. #000080
  7. #000066
  8. #00004d
  9. #000033
  10. #00001a
  11. #000000

Tints

#0000ff mixed progressively with white.

  1. #0000ff
  2. #1a1aff
  3. #3333ff
  4. #4d4dff
  5. #6666ff
  6. #8080ff
  7. #9999ff
  8. #b3b3ff
  9. #ccccff
  10. #e6e6ff
  11. #ffffff

Tones

#0000ff mixed progressively with gray.

  1. #0000ff
  2. #0d0df2
  3. #1a1ae6
  4. #2626d9
  5. #3333cc
  6. #4040c0
  7. #4d4db3
  8. #5a5aa6
  9. #666699
  10. #73738d
  11. #808080

Readable text 8.59:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.44:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #4c4c4c ≈ 0.003% of males
Achromatomaly #3b3bb2 ≈ 0.001% of males
Protanopia #0059ff ≈ 1.01% of males
Deuteranopia #003dfb ≈ 1.27% of males
Tritanopia #006b96 ≈ 0.0001% of males
Protanomaly #0045ff ≈ 1.08% of males
Deuteranomaly #002ffd ≈ 4.63% of males
Tritanomaly #0054c9 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-0000ff {
  color: #0000ff;
}
Background
.bg-0000ff {
  background-color: #0000ff;
  color: #ffffff;
}
Border
.border-0000ff {
  border: 2px solid #0000ff;
}
CSS variables
:root {
  --color-primary: #0000ff;
  --color-primary-rgb: 0 0 255;
  --color-primary-hsl: 240 100% 50%;
}
Gradient
.gradient-0000ff {
  background: linear-gradient(135deg, #0000ff, #7f00ff);
}
Colored shadow
.shadow-0000ff {
  box-shadow: 0 8px 24px rgb(0 0 255 / 0.35);
}

#3f00ff Ultramarine ΔE 2.32 #5218fa Han Purple ΔE 4.25 #0000cd Medium Blue ΔE 6.38 #6f00ff Electric Indigo ΔE 6.98 #1c39bb Persian Blue ΔE 9.77 #0014a8 Zaffre ΔE 10.61 #ffff00 Inverted #4c4c4c Grayscale 

Blue
#0000ff  rgb(0, 0, 255)  hsl(240, 100%, 50%)  Blue
#ffff00  rgb(255, 255, 0)  hsl(60, 100%, 50%)  Yellow
#ff0000  rgb(255, 0, 0)  hsl(0, 100%, 50%)  Red
#00ff00  rgb(0, 255, 0)  hsl(120, 100%, 50%)  Lime