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#2847B7

#2847b7 ≈ Cobalt Blue

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
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#2847b7 is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 15.69% red, 27.84% green and 71.76% blue; printed in CMYK it uses 78.14% cyan, 61.2% magenta, 0% yellow and 28.24% black. Its hue angle is 226.99°, with 64.13% saturation and 43.73% 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 7.85:1 (WCAG AAA). The closest named color is Cobalt Blue (#0047ab), ΔE 3.49.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3333cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0838

Complementary

  1. #2847b7
  2. #b79828

Split complementary

  1. #2847b7
  2. #b75028
  3. #8fb728

Analogous

  1. #288fb7
  2. #2847b7
  3. #5028b7

Triadic

  1. #2847b7
  2. #b72847
  3. #47b728

Tetradic

  1. #2847b7
  2. #9828b7
  3. #b79828
  4. #47b728

Square

  1. #2847b7
  2. #b7288f
  3. #b79828
  4. #28b750

Monochromatic

  1. #0d1639
  2. #1a2f78
  3. #2847b7
  4. #5270d9
  5. #91a4e7

Shades

#2847b7 mixed progressively with black.

  1. #2847b7
  2. #2440a5
  3. #203992
  4. #1c3280
  5. #182b6e
  6. #14245c
  7. #101c49
  8. #0c1537
  9. #080e25
  10. #040712
  11. #000000

Tints

#2847b7 mixed progressively with white.

  1. #2847b7
  2. #3e59be
  3. #536cc5
  4. #697ecd
  5. #7e91d4
  6. #94a3db
  7. #a9b5e2
  8. #bfc8e9
  9. #d4daf1
  10. #eaedf8
  11. #ffffff

Tones

#2847b7 mixed progressively with gray.

  1. #2847b7
  2. #314db2
  3. #3a52ac
  4. #4258a7
  5. #4b5ea1
  6. #54649c
  7. #5d6996
  8. #666f91
  9. #6e758b
  10. #777a86
  11. #808080

Readable text 7.85:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.68:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #525252 ≈ 0.003% of males
Achromatomaly #454e86 ≈ 0.001% of males
Protanopia #0059bb ≈ 1.01% of males
Deuteranopia #004bb5 ≈ 1.27% of males
Tritanopia #006478 ≈ 0.0001% of males
Protanomaly #0052b9 ≈ 1.08% of males
Deuteranomaly #004ab6 ≈ 4.63% of males
Tritanomaly #005a95 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-2847b7 {
  color: #2847b7;
}
Background
.bg-2847b7 {
  background-color: #2847b7;
  color: #ffffff;
}
Border
.border-2847b7 {
  border: 2px solid #2847b7;
}
CSS variables
:root {
  --color-primary: #2847b7;
  --color-primary-rgb: 40 71 183;
  --color-primary-hsl: 227 64% 44%;
}
Gradient
.gradient-2847b7 {
  background: linear-gradient(135deg, #2847b7, #5028b7);
}
Colored shadow
.shadow-2847b7 {
  box-shadow: 0 8px 24px rgb(40 71 183 / 0.35);
}

#0047ab Cobalt Blue ΔE 3.49 #1c39bb Persian Blue ΔE 4.19 #0f52ba Sapphire ΔE 4.61 #4f42b5 Ocean Blue ΔE 5.73 #1034a6 Egyptian Blue ΔE 5.91 #003399 Smalt ΔE 7.06 #0f4d92 Yale Blue ΔE 7.50 #d7b848 Inverted #525252 Grayscale 

Cobalt Blue
#2847b7  rgb(40, 71, 183)  hsl(227, 64%, 44%)  Cobalt Blue
#b79828  rgb(183, 152, 40)  hsl(47, 64%, 44%)  Brass
#b72847  rgb(183, 40, 71)  hsl(347, 64%, 44%)  Cardinal
#47b728  rgb(71, 183, 40)  hsl(107, 64%, 44%)  Kelly Green