ColorTool
Log in
#3940AB

#3940ab ≈ Persian Blue

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

#3940ab is a color from the blue family, with medium lightness and moderate saturation. In the RGB model it is made of 22.35% red, 25.1% green and 67.06% blue; printed in CMYK it uses 66.67% cyan, 62.57% magenta, 0% yellow and 32.94% black. Its hue angle is 236.32°, with 50% saturation and 44.71% 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 8.42:1 (WCAG AAA). The closest named color is Persian Blue (#1c39bb), ΔE 3.43.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#333399
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0748

Complementary

  1. #3940ab
  2. #aba439

Split complementary

  1. #3940ab
  2. #ab6b39
  3. #79ab39

Analogous

  1. #3979ab
  2. #3940ab
  3. #6b39ab

Triadic

  1. #3940ab
  2. #ab3940
  3. #40ab39

Tetradic

  1. #3940ab
  2. #a439ab
  3. #aba439
  4. #40ab39

Square

  1. #3940ab
  2. #ab3979
  3. #aba439
  4. #39ab6b

Monochromatic

  1. #131538
  2. #262b72
  3. #3940ab
  4. #656bcc
  5. #9ea2df

Shades

#3940ab mixed progressively with black.

  1. #3940ab
  2. #333a9a
  3. #2e3389
  4. #282d78
  5. #222667
  6. #1d2056
  7. #171a44
  8. #111333
  9. #0b0d22
  10. #060611
  11. #000000

Tints

#3940ab mixed progressively with white.

  1. #3940ab
  2. #4d53b3
  3. #6166bc
  4. #7479c4
  5. #888ccd
  6. #9ca0d5
  7. #b0b3dd
  8. #c4c6e6
  9. #d7d9ee
  10. #ebecf7
  11. #ffffff

Tones

#3940ab mixed progressively with gray.

  1. #3940ab
  2. #4046a7
  3. #474da2
  4. #4e539e
  5. #555a9a
  6. #5d6096
  7. #646691
  8. #6b6d8d
  9. #727389
  10. #797a84
  11. #808080

Readable text 8.42:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.5:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #4d4d4d ≈ 0.003% of males
Achromatomaly #46487e ≈ 0.001% of males
Protanopia #0052ae ≈ 1.01% of males
Deuteranopia #0048a9 ≈ 1.27% of males
Tritanopia #005b6f ≈ 0.0001% of males
Protanomaly #084cad ≈ 1.08% of males
Deuteranomaly #0045aa ≈ 4.63% of males
Tritanomaly #04518b ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-3940ab {
  color: #3940ab;
}
Background
.bg-3940ab {
  background-color: #3940ab;
  color: #ffffff;
}
Border
.border-3940ab {
  border: 2px solid #3940ab;
}
CSS variables
:root {
  --color-primary: #3940ab;
  --color-primary-rgb: 57 64 171;
  --color-primary-hsl: 236 50% 45%;
}
Gradient
.gradient-3940ab {
  background: linear-gradient(135deg, #3940ab, #6b39ab);
}
Colored shadow
.shadow-3940ab {
  box-shadow: 0 8px 24px rgb(57 64 171 / 0.35);
}

#1c39bb Persian Blue ΔE 3.43 #4f42b5 Ocean Blue ΔE 3.63 #1034a6 Egyptian Blue ΔE 4.46 #003399 Smalt ΔE 5.88 #0047ab Cobalt Blue ΔE 5.90 #483d8b Dark Slate Blue ΔE 6.04 #5a4fcf Iris ΔE 7.90 #c6bf54 Inverted #4d4d4d Grayscale 

Persian Blue
#3940ab  rgb(57, 64, 171)  hsl(236, 50%, 45%)  Persian Blue
#aba439  rgb(171, 164, 57)  hsl(56, 50%, 45%)  Brass
#ab3940  rgb(171, 57, 64)  hsl(356, 50%, 45%)  Cardinal
#40ab39  rgb(64, 171, 57)  hsl(116, 50%, 45%)  Kelly Green