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#03479B

#03479b ≈ Cobalt Blue

  • azure
  • Lightness: low
  • Saturation: strong
  • Cool
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#03479b is a color from the azure family, with low lightness and strong saturation. In the RGB model it is made of 1.18% red, 27.84% green and 60.78% blue; printed in CMYK it uses 98.06% cyan, 54.19% magenta, 0% yellow and 39.22% black. Its hue angle is 213.16°, with 96.2% saturation and 30.98% 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 8.83:1 (WCAG AAA). The closest named color is Cobalt Blue (#0047ab), ΔE 2.35.

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 luminance0.0689

Complementary

  1. #03479b
  2. #9b5703

Split complementary

  1. #03479b
  2. #9b0b03
  3. #939b03

Analogous

  1. #03939b
  2. #03479b
  3. #0b039b

Triadic

  1. #03479b
  2. #9b0347
  3. #479b03

Tetradic

  1. #03479b
  2. #57039b
  3. #9b5703
  4. #479b03

Square

  1. #03479b
  2. #9b0393
  3. #9b5703
  4. #039b0b

Monochromatic

  1. #000914
  2. #022550
  3. #03479b
  4. #0469e6
  5. #3c91fb

Shades

#03479b mixed progressively with black.

  1. #03479b
  2. #03408c
  3. #02397c
  4. #02326d
  5. #022b5d
  6. #02244e
  7. #011c3e
  8. #01152f
  9. #010e1f
  10. #000710
  11. #000000

Tints

#03479b mixed progressively with white.

  1. #03479b
  2. #1c59a5
  3. #356caf
  4. #4f7eb9
  5. #6891c3
  6. #81a3cd
  7. #9ab5d7
  8. #b3c8e1
  9. #cddaeb
  10. #e6edf5
  11. #ffffff

Tones

#03479b mixed progressively with gray.

  1. #03479b
  2. #104d98
  3. #1c5296
  4. #295893
  5. #355e90
  6. #42648e
  7. #4e698b
  8. #5b6f88
  9. #677585
  10. #747a83
  11. #808080

Readable text 8.83:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.38:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #4a4a4a ≈ 0.003% of males
Achromatomaly #3a4973 ≈ 0.001% of males
Protanopia #00519e ≈ 1.01% of males
Deuteranopia #004499 ≈ 1.27% of males
Tritanopia #005c6a ≈ 0.0001% of males
Protanomaly #004d9d ≈ 1.08% of males
Deuteranomaly #00459a ≈ 4.63% of males
Tritanomaly #005480 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-03479b {
  color: #03479b;
}
Background
.bg-03479b {
  background-color: #03479b;
  color: #ffffff;
}
Border
.border-03479b {
  border: 2px solid #03479b;
}
CSS variables
:root {
  --color-primary: #03479b;
  --color-primary-rgb: 3 71 155;
  --color-primary-hsl: 213 96% 31%;
}
Gradient
.gradient-03479b {
  background: linear-gradient(135deg, #03479b, #0b039b);
}
Colored shadow
.shadow-03479b {
  box-shadow: 0 8px 24px rgb(3 71 155 / 0.35);
}

#0047ab Cobalt Blue ΔE 2.35 #0f4d92 Yale Blue ΔE 2.68 #0f52ba Sapphire ΔE 5.10 #003399 Smalt ΔE 6.91 #1034a6 Egyptian Blue ΔE 7.48 #1c39bb Persian Blue ΔE 8.06 #26619c Lapis Lazuli ΔE 8.81 #fcb864 Inverted #4a4a4a Grayscale 

Cobalt Blue
#03479b  rgb(3, 71, 155)  hsl(213, 96%, 31%)  Cobalt Blue
#9b5703  rgb(155, 87, 3)  hsl(33, 96%, 31%)  Golden Brown
#9b0347  rgb(155, 3, 71)  hsl(333, 96%, 31%)  Jazzberry Jam
#479b03  rgb(71, 155, 3)  hsl(93, 96%, 31%)  Islamic Green