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#003FA9

#003fa9 ≈ Cobalt Blue

  • azure
  • Lightness: low
  • Saturation: strong
  • Cool
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#003fa9 is a color from the azure family, with low lightness and strong saturation. In the RGB model it is made of 0% red, 24.71% green and 66.27% blue; printed in CMYK it uses 100% cyan, 62.72% magenta, 0% yellow and 33.73% black. Its hue angle is 217.63°, with 100% saturation and 33.14% lightness in HSL. It is a cool color, often associated with openness, freedom and calm. Designers typically use it for technology products, finance and banking and corporate identities. White text on this color reaches a contrast ratio of 9.19:1 (WCAG AAA). The closest named color is Cobalt Blue (#0047ab), ΔE 2.71.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#003399
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0642

Complementary

  1. #003fa9
  2. #a96a00

Split complementary

  1. #003fa9
  2. #a91500
  3. #94a900

Analogous

  1. #0094a9
  2. #003fa9
  3. #1500a9

Triadic

  1. #003fa9
  2. #a9003f
  3. #3fa900

Tetradic

  1. #003fa9
  2. #6a00a9
  3. #a96a00
  4. #3fa900

Square

  1. #003fa9
  2. #a90094
  3. #a96a00
  4. #00a915

Monochromatic

  1. #000814
  2. #00225d
  3. #003fa9
  4. #005cf6
  5. #4389ff

Shades

#003fa9 mixed progressively with black.

  1. #003fa9
  2. #003998
  3. #003287
  4. #002c76
  5. #002665
  6. #002055
  7. #001944
  8. #001333
  9. #000d22
  10. #000611
  11. #000000

Tints

#003fa9 mixed progressively with white.

  1. #003fa9
  2. #1a52b2
  3. #3365ba
  4. #4d79c3
  5. #668ccb
  6. #809fd4
  7. #99b2dd
  8. #b3c5e5
  9. #ccd9ee
  10. #e6ecf6
  11. #ffffff

Tones

#003fa9 mixed progressively with gray.

  1. #003fa9
  2. #0d46a5
  3. #1a4ca1
  4. #26539d
  5. #335999
  6. #406095
  7. #4d6690
  8. #5a6d8c
  9. #667388
  10. #737a84
  11. #808080

Readable text 9.19:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.28:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #484848 ≈ 0.003% of males
Achromatomaly #37447b ≈ 0.001% of males
Protanopia #004fac ≈ 1.01% of males
Deuteranopia #0041a7 ≈ 1.27% of males
Tritanopia #005b6e ≈ 0.0001% of males
Protanomaly #0049ab ≈ 1.08% of males
Deuteranomaly #0040a8 ≈ 4.63% of males
Tritanomaly #005189 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-003fa9 {
  color: #003fa9;
}
Background
.bg-003fa9 {
  background-color: #003fa9;
  color: #ffffff;
}
Border
.border-003fa9 {
  border: 2px solid #003fa9;
}
CSS variables
:root {
  --color-primary: #003fa9;
  --color-primary-rgb: 0 63 169;
  --color-primary-hsl: 218 100% 33%;
}
Gradient
.gradient-003fa9 {
  background: linear-gradient(135deg, #003fa9, #1500a9);
}
Colored shadow
.shadow-003fa9 {
  box-shadow: 0 8px 24px rgb(0 63 169 / 0.35);
}

#0047ab Cobalt Blue ΔE 2.71 #1034a6 Egyptian Blue ΔE 3.73 #003399 Smalt ΔE 4.02 #1c39bb Persian Blue ΔE 4.21 #0f52ba Sapphire ΔE 6.28 #0f4d92 Yale Blue ΔE 6.57 #4f42b5 Ocean Blue ΔE 7.99 #ffc056 Inverted #484848 Grayscale 

Cobalt Blue
#003fa9  rgb(0, 63, 169)  hsl(218, 100%, 33%)  Cobalt Blue
#a96a00  rgb(169, 106, 0)  hsl(38, 100%, 33%)  Ginger
#a9003f  rgb(169, 0, 63)  hsl(338, 100%, 33%)  Vivid Burgundy
#3fa900  rgb(63, 169, 0)  hsl(98, 100%, 33%)  Kelly Green