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#2145AA

#2145aa ≈ Cobalt Blue

  • blue
  • Lightness: low
  • Saturation: strong
  • Cool
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#2145aa is a color from the blue family, with low lightness and strong saturation. In the RGB model it is made of 12.94% red, 27.06% green and 66.67% blue; printed in CMYK it uses 80.59% cyan, 59.41% magenta, 0% yellow and 33.33% black. Its hue angle is 224.23°, with 67.49% saturation and 39.8% 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 8.41:1 (WCAG AAA). The closest named color is Cobalt Blue (#0047ab), ΔE 2.15.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#333399
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0748

Complementary

  1. #2145aa
  2. #aa8621

Split complementary

  1. #2145aa
  2. #aa4121
  3. #89aa21

Analogous

  1. #2189aa
  2. #2145aa
  3. #4121aa

Triadic

  1. #2145aa
  2. #aa2145
  3. #45aa21

Tetradic

  1. #2145aa
  2. #8621aa
  3. #aa8621
  4. #45aa21

Square

  1. #2145aa
  2. #aa2189
  3. #aa8621
  4. #21aa41

Monochromatic

  1. #08112a
  2. #152b6a
  3. #2145aa
  4. #3e67da
  5. #7e99e6

Shades

#2145aa mixed progressively with black.

  1. #2145aa
  2. #1e3e99
  3. #1a3788
  4. #173077
  5. #142966
  6. #112355
  7. #0d1c44
  8. #0a1533
  9. #070e22
  10. #030711
  11. #000000

Tints

#2145aa mixed progressively with white.

  1. #2145aa
  2. #3758b3
  3. #4d6abb
  4. #647dc4
  5. #7a8fcc
  6. #90a2d5
  7. #a6b5dd
  8. #bcc7e6
  9. #d3daee
  10. #e9ecf7
  11. #ffffff

Tones

#2145aa mixed progressively with gray.

  1. #2145aa
  2. #2b4ba6
  3. #3451a2
  4. #3e579d
  5. #475d99
  6. #516395
  7. #5a6891
  8. #646e8d
  9. #6d7488
  10. #777a84
  11. #808080

Readable text 8.41:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.5:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #4d4d4d ≈ 0.003% of males
Achromatomaly #404a7d ≈ 0.001% of males
Protanopia #0054ad ≈ 1.01% of males
Deuteranopia #0047a8 ≈ 1.27% of males
Tritanopia #005f70 ≈ 0.0001% of males
Protanomaly #004eac ≈ 1.08% of males
Deuteranomaly #0046a9 ≈ 4.63% of males
Tritanomaly #00558b ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-2145aa {
  color: #2145aa;
}
Background
.bg-2145aa {
  background-color: #2145aa;
  color: #ffffff;
}
Border
.border-2145aa {
  border: 2px solid #2145aa;
}
CSS variables
:root {
  --color-primary: #2145aa;
  --color-primary-rgb: 33 69 170;
  --color-primary-hsl: 224 67% 40%;
}
Gradient
.gradient-2145aa {
  background: linear-gradient(135deg, #2145aa, #4121aa);
}
Colored shadow
.shadow-2145aa {
  box-shadow: 0 8px 24px rgb(33 69 170 / 0.35);
}

#0047ab Cobalt Blue ΔE 2.15 #1c39bb Persian Blue ΔE 4.70 #0f52ba Sapphire ΔE 4.90 #1034a6 Egyptian Blue ΔE 5.14 #003399 Smalt ΔE 5.69 #0f4d92 Yale Blue ΔE 6.09 #4f42b5 Ocean Blue ΔE 6.92 #deba55 Inverted #4d4d4d Grayscale 

Cobalt Blue
#2145aa  rgb(33, 69, 170)  hsl(224, 67%, 40%)  Cobalt Blue
#aa8621  rgb(170, 134, 33)  hsl(44, 67%, 40%)  Dark Goldenrod
#aa2145  rgb(170, 33, 69)  hsl(344, 67%, 40%)  Vivid Burgundy
#45aa21  rgb(69, 170, 33)  hsl(104, 67%, 40%)  Kelly Green