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#0643BD

#0643bd ≈ Cobalt Blue

  • blue
  • Lightness: low
  • Saturation: strong
  • Cool
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#0643bd is a color from the blue family, with low lightness and strong saturation. In the RGB model it is made of 2.35% red, 26.27% green and 74.12% blue; printed in CMYK it uses 96.83% cyan, 64.55% magenta, 0% yellow and 25.88% black. Its hue angle is 220°, with 93.85% saturation and 38.24% 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 call-to-action buttons. White text on this color reaches a contrast ratio of 8.25:1 (WCAG AAA). The closest named color is Cobalt Blue (#0047ab), ΔE 3.37.

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 luminance0.0773

Complementary

  1. #0643bd
  2. #bd8006

Split complementary

  1. #0643bd
  2. #bd2506
  3. #9fbd06

Analogous

  1. #069fbd
  2. #0643bd
  3. #2506bd

Triadic

  1. #0643bd
  2. #bd0643
  3. #43bd06

Tetradic

  1. #0643bd
  2. #8006bd
  3. #bd8006
  4. #43bd06

Square

  1. #0643bd
  2. #bd069f
  3. #bd8006
  4. #06bd25

Monochromatic

  1. #010e29
  2. #042973
  3. #0643bd
  4. #1862f8
  5. #6295fa

Shades

#0643bd mixed progressively with black.

  1. #0643bd
  2. #053caa
  3. #053697
  4. #042f84
  5. #042871
  6. #03225f
  7. #021b4c
  8. #021439
  9. #010d26
  10. #010713
  11. #000000

Tints

#0643bd mixed progressively with white.

  1. #0643bd
  2. #1f56c4
  3. #3869ca
  4. #517bd1
  5. #6a8ed7
  6. #83a1de
  7. #9bb4e5
  8. #b4c7eb
  9. #cdd9f2
  10. #e6ecf8
  11. #ffffff

Tones

#0643bd mixed progressively with gray.

  1. #0643bd
  2. #1249b7
  3. #1e4fb1
  4. #2b55ab
  5. #375ba5
  6. #43629f
  7. #4f6898
  8. #5b6e92
  9. #68748c
  10. #747a86
  11. #808080

Readable text 8.25:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.55:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #4f4f4f ≈ 0.003% of males
Achromatomaly #3d4a89 ≈ 0.001% of males
Protanopia #0057c1 ≈ 1.01% of males
Deuteranopia #0047bb ≈ 1.27% of males
Tritanopia #00647a ≈ 0.0001% of males
Protanomaly #0050bf ≈ 1.08% of males
Deuteranomaly #0045bc ≈ 4.63% of males
Tritanomaly #005999 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-0643bd {
  color: #0643bd;
}
Background
.bg-0643bd {
  background-color: #0643bd;
  color: #ffffff;
}
Border
.border-0643bd {
  border: 2px solid #0643bd;
}
CSS variables
:root {
  --color-primary: #0643bd;
  --color-primary-rgb: 6 67 189;
  --color-primary-hsl: 220 94% 38%;
}
Gradient
.gradient-0643bd {
  background: linear-gradient(135deg, #0643bd, #2506bd);
}
Colored shadow
.shadow-0643bd {
  box-shadow: 0 8px 24px rgb(6 67 189 / 0.35);
}

#0047ab Cobalt Blue ΔE 3.37 #1c39bb Persian Blue ΔE 3.39 #0f52ba Sapphire ΔE 5.12 #1034a6 Egyptian Blue ΔE 5.18 #003399 Smalt ΔE 6.41 #4f42b5 Ocean Blue ΔE 6.76 #0f4d92 Yale Blue ΔE 7.70 #f9bc42 Inverted #4f4f4f Grayscale 

Cobalt Blue
#0643bd  rgb(6, 67, 189)  hsl(220, 94%, 38%)  Cobalt Blue
#bd8006  rgb(189, 128, 6)  hsl(40, 94%, 38%)  Dark Goldenrod
#bd0643  rgb(189, 6, 67)  hsl(340, 94%, 38%)  Cardinal
#43bd06  rgb(67, 189, 6)  hsl(100, 94%, 38%)  Kelly Green