ColorTool
Log in
#1D40CD

#1d40cd ≈ Persian Blue

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

#1d40cd is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 11.37% red, 25.1% green and 80.39% blue; printed in CMYK it uses 85.85% cyan, 68.78% magenta, 0% yellow and 19.61% black. Its hue angle is 228.07°, with 75.21% saturation and 45.88% 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 7.87:1 (WCAG AAA). The closest named color is Persian Blue (#1c39bb), ΔE 3.02.

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 luminance0.0834

Complementary

  1. #1d40cd
  2. #cdaa1d

Split complementary

  1. #1d40cd
  2. #cd521d
  3. #98cd1d

Analogous

  1. #1d98cd
  2. #1d40cd
  3. #521dcd

Triadic

  1. #1d40cd
  2. #cd1d40
  3. #40cd1d

Tetradic

  1. #1d40cd
  2. #aa1dcd
  3. #cdaa1d
  4. #40cd1d

Square

  1. #1d40cd
  2. #cd1d98
  3. #cdaa1d
  4. #1dcd52

Monochromatic

  1. #0a1647
  2. #142b8a
  3. #1d40cd
  4. #506ee6
  5. #93a6f0

Shades

#1d40cd mixed progressively with black.

  1. #1d40cd
  2. #1a3ab9
  3. #1733a4
  4. #142d90
  5. #11267b
  6. #0f2067
  7. #0c1a52
  8. #09133e
  9. #060d29
  10. #030615
  11. #000000

Tints

#1d40cd mixed progressively with white.

  1. #1d40cd
  2. #3453d2
  3. #4a66d7
  4. #6179dc
  5. #778ce1
  6. #8ea0e6
  7. #a5b3eb
  8. #bbc6f0
  9. #d2d9f5
  10. #e8ecfa
  11. #ffffff

Tones

#1d40cd mixed progressively with gray.

  1. #1d40cd
  2. #2746c5
  3. #314dbe
  4. #3b53b6
  5. #455aae
  6. #4f60a7
  7. #58669f
  8. #626d97
  9. #6c738f
  10. #767a88
  11. #808080

Readable text 7.87:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.67:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #525252 ≈ 0.003% of males
Achromatomaly #424b94 ≈ 0.001% of males
Protanopia #005ad1 ≈ 1.01% of males
Deuteranopia #0049ca ≈ 1.27% of males
Tritanopia #006781 ≈ 0.0001% of males
Protanomaly #0051d0 ≈ 1.08% of males
Deuteranomaly #0046cb ≈ 4.63% of males
Tritanomaly #005aa5 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-1d40cd {
  color: #1d40cd;
}
Background
.bg-1d40cd {
  background-color: #1d40cd;
  color: #ffffff;
}
Border
.border-1d40cd {
  border: 2px solid #1d40cd;
}
CSS variables
:root {
  --color-primary: #1d40cd;
  --color-primary-rgb: 29 64 205;
  --color-primary-hsl: 228 75% 46%;
}
Gradient
.gradient-1d40cd {
  background: linear-gradient(135deg, #1d40cd, #521dcd);
}
Colored shadow
.shadow-1d40cd {
  box-shadow: 0 8px 24px rgb(29 64 205 / 0.35);
}

#1c39bb Persian Blue ΔE 3.02 #4f42b5 Ocean Blue ΔE 5.54 #1034a6 Egyptian Blue ΔE 6.17 #0047ab Cobalt Blue ΔE 6.37 #5a4fcf Iris ΔE 7.11 #0f52ba Sapphire ΔE 7.17 #003399 Smalt ΔE 8.05 #e2bf32 Inverted #525252 Grayscale 

Persian Blue
#1d40cd  rgb(29, 64, 205)  hsl(228, 75%, 46%)  Persian Blue
#cdaa1d  rgb(205, 170, 29)  hsl(48, 75%, 46%)  Metallic Gold
#cd1d40  rgb(205, 29, 64)  hsl(348, 75%, 46%)  Cardinal
#40cd1d  rgb(64, 205, 29)  hsl(108, 75%, 46%)  Lime Green