ColorTool
Log in
#001FCB

#001fcb ≈ Medium Blue

  • blue
  • Lightness: low
  • Saturation: vivid
  • Cool
Check contrast Explore in graph Random color

#001fcb is a color from the blue family, with low lightness and vivid saturation. In the RGB model it is made of 0% red, 12.16% green and 79.61% blue; printed in CMYK it uses 100% cyan, 84.73% magenta, 0% yellow and 20.39% black. Its hue angle is 230.84°, with 100% saturation and 39.8% 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 10.2:1 (WCAG AAA). The closest named color is Medium Blue (#0000cd), ΔE 3.14.

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 luminance0.0529

Complementary

  1. #001fcb
  2. #cbac00

Split complementary

  1. #001fcb
  2. #cb4700
  3. #84cb00

Analogous

  1. #0084cb
  2. #001fcb
  3. #4700cb

Triadic

  1. #001fcb
  2. #cb001f
  3. #1fcb00

Tetradic

  1. #001fcb
  2. #ac00cb
  3. #cbac00
  4. #1fcb00

Square

  1. #001fcb
  2. #cb0084
  3. #cbac00
  4. #00cb47

Monochromatic

  1. #000832
  2. #00137e
  3. #001fcb
  4. #183cff
  5. #657cff

Shades

#001fcb mixed progressively with black.

  1. #001fcb
  2. #001cb7
  3. #0019a2
  4. #00168e
  5. #00137a
  6. #001066
  7. #000c51
  8. #00093d
  9. #000629
  10. #000314
  11. #000000

Tints

#001fcb mixed progressively with white.

  1. #001fcb
  2. #1a35d0
  3. #334cd5
  4. #4d62db
  5. #6679e0
  6. #808fe5
  7. #99a5ea
  8. #b3bcef
  9. #ccd2f5
  10. #e6e9fa
  11. #ffffff

Tones

#001fcb mixed progressively with gray.

  1. #001fcb
  2. #0d29c4
  3. #1a32bc
  4. #263cb5
  5. #3346ad
  6. #4050a6
  7. #4d599e
  8. #5a6397
  9. #666d8f
  10. #737688
  11. #808080

Readable text 10.2:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.06:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #414141 ≈ 0.003% of males
Achromatomaly #32368e ≈ 0.001% of males
Protanopia #004bd0 ≈ 1.01% of males
Deuteranopia #0036c8 ≈ 1.27% of males
Tritanopia #005979 ≈ 0.0001% of males
Protanomaly #003ece ≈ 1.08% of males
Deuteranomaly #002fc9 ≈ 4.63% of males
Tritanomaly #0049a0 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-001fcb {
  color: #001fcb;
}
Background
.bg-001fcb {
  background-color: #001fcb;
  color: #ffffff;
}
Border
.border-001fcb {
  border: 2px solid #001fcb;
}
CSS variables
:root {
  --color-primary: #001fcb;
  --color-primary-rgb: 0 31 203;
  --color-primary-hsl: 231 100% 40%;
}
Gradient
.gradient-001fcb {
  background: linear-gradient(135deg, #001fcb, #4700cb);
}
Colored shadow
.shadow-001fcb {
  box-shadow: 0 8px 24px rgb(0 31 203 / 0.35);
}

#0000cd Medium Blue ΔE 3.14 #0014a8 Zaffre ΔE 5.12 #1c39bb Persian Blue ΔE 5.96 #0000ff Blue ΔE 6.02 #1034a6 Egyptian Blue ΔE 6.79 #002395 Imperial Blue ΔE 7.24 #3f00ff Ultramarine ΔE 7.43 #ffe034 Inverted #414141 Grayscale 

Medium Blue
#001fcb  rgb(0, 31, 203)  hsl(231, 100%, 40%)  Medium Blue
#cbac00  rgb(203, 172, 0)  hsl(51, 100%, 40%)  Metallic Gold
#cb001f  rgb(203, 0, 31)  hsl(351, 100%, 40%)  Lava
#1fcb00  rgb(31, 203, 0)  hsl(111, 100%, 40%)  Lime Green