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#274BB3

#274bb3 ≈ Cobalt Blue

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
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#274bb3 is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 15.29% red, 29.41% green and 70.2% blue; printed in CMYK it uses 78.21% cyan, 58.1% magenta, 0% yellow and 29.8% black. Its hue angle is 224.57°, with 64.22% saturation and 42.75% 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 7.65:1 (WCAG AAA). The closest named color is Cobalt Blue (#0047ab), ΔE 2.75.

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 luminance0.0872

Complementary

  1. #274bb3
  2. #b38f27

Split complementary

  1. #274bb3
  2. #b34927
  3. #91b327

Analogous

  1. #2791b3
  2. #274bb3
  3. #4927b3

Triadic

  1. #274bb3
  2. #b3274b
  3. #4bb327

Tetradic

  1. #274bb3
  2. #8f27b3
  3. #b38f27
  4. #4bb327

Square

  1. #274bb3
  2. #b32791
  3. #b38f27
  4. #27b349

Monochromatic

  1. #0c1635
  2. #193174
  3. #274bb3
  4. #4e72d8
  5. #8da4e6

Shades

#274bb3 mixed progressively with black.

  1. #274bb3
  2. #2344a1
  3. #1f3c8f
  4. #1b357d
  5. #172d6b
  6. #14265a
  7. #101e48
  8. #0c1736
  9. #080f24
  10. #040812
  11. #000000

Tints

#274bb3 mixed progressively with white.

  1. #274bb3
  2. #3d5dbb
  3. #526fc2
  4. #6881ca
  5. #7d93d1
  6. #93a5d9
  7. #a9b7e1
  8. #bec9e8
  9. #d4dbf0
  10. #e9edf7
  11. #ffffff

Tones

#274bb3 mixed progressively with gray.

  1. #274bb3
  2. #3050ae
  3. #3956a9
  4. #425ba4
  5. #4b609f
  6. #54669a
  7. #5c6b94
  8. #65708f
  9. #6e758a
  10. #777b85
  11. #808080

Readable text 7.65:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.74:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #535353 ≈ 0.003% of males
Achromatomaly #465084 ≈ 0.001% of males
Protanopia #005ab7 ≈ 1.01% of males
Deuteranopia #004db1 ≈ 1.27% of males
Tritanopia #006577 ≈ 0.0001% of males
Protanomaly #0054b5 ≈ 1.08% of males
Deuteranomaly #004cb2 ≈ 4.63% of males
Tritanomaly #005c93 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-274bb3 {
  color: #274bb3;
}
Background
.bg-274bb3 {
  background-color: #274bb3;
  color: #ffffff;
}
Border
.border-274bb3 {
  border: 2px solid #274bb3;
}
CSS variables
:root {
  --color-primary: #274bb3;
  --color-primary-rgb: 39 75 179;
  --color-primary-hsl: 225 64% 43%;
}
Gradient
.gradient-274bb3 {
  background: linear-gradient(135deg, #274bb3, #4927b3);
}
Colored shadow
.shadow-274bb3 {
  box-shadow: 0 8px 24px rgb(39 75 179 / 0.35);
}

#0047ab Cobalt Blue ΔE 2.75 #0f52ba Sapphire ΔE 3.23 #1c39bb Persian Blue ΔE 5.72 #0f4d92 Yale Blue ΔE 6.23 #4f42b5 Ocean Blue ΔE 6.90 #1034a6 Egyptian Blue ΔE 7.01 #003399 Smalt ΔE 7.79 #d8b44c Inverted #535353 Grayscale 

Cobalt Blue
#274bb3  rgb(39, 75, 179)  hsl(225, 64%, 43%)  Cobalt Blue
#b38f27  rgb(179, 143, 39)  hsl(45, 64%, 43%)  Dark Goldenrod
#b3274b  rgb(179, 39, 75)  hsl(345, 64%, 43%)  Vivid Burgundy
#4bb327  rgb(75, 179, 39)  hsl(105, 64%, 43%)  Kelly Green