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#0047AB

#0047ab Cobalt Blue

  • azure
  • Lightness: low
  • Saturation: strong
  • Cool
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#0047ab (Cobalt Blue) is a color from the azure family, with low lightness and strong saturation. In the RGB model it is made of 0% red, 27.84% green and 67.06% blue; printed in CMYK it uses 100% cyan, 58.48% magenta, 0% yellow and 32.94% black. Its hue angle is 215.09°, with 100% saturation and 33.53% 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 8.44:1 (WCAG AAA).

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 luminance0.0745

Complementary

  1. #0047ab
  2. #ab6400

Split complementary

  1. #0047ab
  2. #ab0f00
  3. #9cab00

Analogous

  1. #009cab
  2. #0047ab
  3. #0f00ab

Triadic

  1. #0047ab
  2. #ab0047
  3. #47ab00

Tetradic

  1. #0047ab
  2. #6400ab
  3. #ab6400
  4. #47ab00

Square

  1. #0047ab
  2. #ab009c
  3. #ab6400
  4. #00ab0f

Monochromatic

  1. #000814
  2. #00275f
  3. #0047ab
  4. #0067f8
  5. #4592ff

Shades

#0047ab mixed progressively with black.

  1. #0047ab
  2. #00409a
  3. #003989
  4. #003278
  5. #002b67
  6. #002456
  7. #001c44
  8. #001533
  9. #000e22
  10. #000711
  11. #000000

Tints

#0047ab mixed progressively with white.

  1. #0047ab
  2. #1a59b3
  3. #336cbc
  4. #4d7ec4
  5. #6691cd
  6. #80a3d5
  7. #99b5dd
  8. #b3c8e6
  9. #ccdaee
  10. #e6edf7
  11. #ffffff

Tones

#0047ab mixed progressively with gray.

  1. #0047ab
  2. #0d4da7
  3. #1a52a2
  4. #26589e
  5. #335e9a
  6. #406496
  7. #4d6991
  8. #5a6f8d
  9. #667589
  10. #737a84
  11. #808080

Readable text 8.44:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.49:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #4d4d4d ≈ 0.003% of males
Achromatomaly #3c4b7e ≈ 0.001% of males
Protanopia #0055ae ≈ 1.01% of males
Deuteranopia #0046a9 ≈ 1.27% of males
Tritanopia #006172 ≈ 0.0001% of males
Protanomaly #004fad ≈ 1.08% of males
Deuteranomaly #0047aa ≈ 4.63% of males
Tritanomaly #00588c ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-0047ab {
  color: #0047ab;
}
Background
.bg-0047ab {
  background-color: #0047ab;
  color: #ffffff;
}
Border
.border-0047ab {
  border: 2px solid #0047ab;
}
CSS variables
:root {
  --color-primary: #0047ab;
  --color-primary-rgb: 0 71 171;
  --color-primary-hsl: 215 100% 34%;
}
Gradient
.gradient-0047ab {
  background: linear-gradient(135deg, #0047ab, #0f00ab);
}
Colored shadow
.shadow-0047ab {
  box-shadow: 0 8px 24px rgb(0 71 171 / 0.35);
}

#0f52ba Sapphire ΔE 3.85 #0f4d92 Yale Blue ΔE 4.48 #1c39bb Persian Blue ΔE 6.20 #1034a6 Egyptian Blue ΔE 6.42 #003399 Smalt ΔE 6.55 #1560bd Denim ΔE 8.52 #ffb854 Inverted #4d4d4d Grayscale 

Cobalt Blue
#0047ab  rgb(0, 71, 171)  hsl(215, 100%, 34%)  Cobalt Blue
#ab6400  rgb(171, 100, 0)  hsl(35, 100%, 34%)  Ginger
#ab0047  rgb(171, 0, 71)  hsl(335, 100%, 34%)  Vivid Burgundy
#47ab00  rgb(71, 171, 0)  hsl(95, 100%, 34%)  Kelly Green