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#034BB3

#034bb3 ≈ Cobalt Blue

  • azure
  • Lightness: low
  • Saturation: strong
  • Cool
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#034bb3 is a color from the azure family, with low lightness and strong saturation. In the RGB model it is made of 1.18% red, 29.41% green and 70.2% blue; printed in CMYK it uses 98.32% cyan, 58.1% magenta, 0% yellow and 29.8% black. Its hue angle is 215.45°, with 96.7% saturation and 35.69% 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 call-to-action buttons. White text on this color reaches a contrast ratio of 7.89:1 (WCAG AAA). The closest named color is Cobalt Blue (#0047ab), ΔE 1.55.

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 luminance0.0831

Complementary

  1. #034bb3
  2. #b36b03

Split complementary

  1. #034bb3
  2. #b31303
  3. #a3b303

Analogous

  1. #03a3b3
  2. #034bb3
  3. #1303b3

Triadic

  1. #034bb3
  2. #b3034b
  3. #4bb303

Tetradic

  1. #034bb3
  2. #6b03b3
  3. #b36b03
  4. #4bb303

Square

  1. #034bb3
  2. #b303a3
  3. #b36b03
  4. #03b313

Monochromatic

  1. #000c1d
  2. #022b68
  3. #034bb3
  4. #086bfb
  5. #5398fc

Shades

#034bb3 mixed progressively with black.

  1. #034bb3
  2. #0344a1
  3. #023c8f
  4. #02357d
  5. #022d6b
  6. #02265a
  7. #011e48
  8. #011736
  9. #010f24
  10. #000812
  11. #000000

Tints

#034bb3 mixed progressively with white.

  1. #034bb3
  2. #1c5dbb
  3. #356fc2
  4. #4f81ca
  5. #6893d1
  6. #81a5d9
  7. #9ab7e1
  8. #b3c9e8
  9. #cddbf0
  10. #e6edf7
  11. #ffffff

Tones

#034bb3 mixed progressively with gray.

  1. #034bb3
  2. #1050ae
  3. #1c56a9
  4. #295ba4
  5. #35609f
  6. #42669a
  7. #4e6b94
  8. #5b708f
  9. #67758a
  10. #747b85
  11. #808080

Readable text 7.89:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.66:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #515151 ≈ 0.003% of males
Achromatomaly #3f4f84 ≈ 0.001% of males
Protanopia #0059b7 ≈ 1.01% of males
Deuteranopia #004ab1 ≈ 1.27% of males
Tritanopia #006677 ≈ 0.0001% of males
Protanomaly #0054b5 ≈ 1.08% of males
Deuteranomaly #004bb2 ≈ 4.63% of males
Tritanomaly #005c93 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-034bb3 {
  color: #034bb3;
}
Background
.bg-034bb3 {
  background-color: #034bb3;
  color: #ffffff;
}
Border
.border-034bb3 {
  border: 2px solid #034bb3;
}
CSS variables
:root {
  --color-primary: #034bb3;
  --color-primary-rgb: 3 75 179;
  --color-primary-hsl: 215 97% 36%;
}
Gradient
.gradient-034bb3 {
  background: linear-gradient(135deg, #034bb3, #1303b3);
}
Colored shadow
.shadow-034bb3 {
  box-shadow: 0 8px 24px rgb(3 75 179 / 0.35);
}

#0047ab Cobalt Blue ΔE 1.55 #0f52ba Sapphire ΔE 2.36 #0f4d92 Yale Blue ΔE 4.78 #1c39bb Persian Blue ΔE 6.69 #1560bd Denim ΔE 7.18 #1034a6 Egyptian Blue ΔE 7.54 #003399 Smalt ΔE 7.94 #fcb44c Inverted #515151 Grayscale 

Cobalt Blue
#034bb3  rgb(3, 75, 179)  hsl(215, 97%, 36%)  Cobalt Blue
#b36b03  rgb(179, 107, 3)  hsl(35, 97%, 36%)  Ginger
#b3034b  rgb(179, 3, 75)  hsl(335, 97%, 36%)  Vivid Burgundy
#4bb303  rgb(75, 179, 3)  hsl(95, 97%, 36%)  Kelly Green