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#274BB7

#274bb7 ≈ Cobalt Blue

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
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#274bb7 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 71.76% blue; printed in CMYK it uses 78.69% cyan, 59.02% magenta, 0% yellow and 28.24% black. Its hue angle is 225°, with 64.86% saturation and 43.53% 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 7.56:1 (WCAG AAA). The closest named color is Cobalt Blue (#0047ab), ΔE 3.14.

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 luminance0.0888

Complementary

  1. #274bb7
  2. #b79327

Split complementary

  1. #274bb7
  2. #b74b27
  3. #93b727

Analogous

  1. #2793b7
  2. #274bb7
  3. #4b27b7

Triadic

  1. #274bb7
  2. #b7274b
  3. #4bb727

Tetradic

  1. #274bb7
  2. #9327b7
  3. #b79327
  4. #4bb727

Square

  1. #274bb7
  2. #b72793
  3. #b79327
  4. #27b74b

Monochromatic

  1. #0c1739
  2. #1a3178
  3. #274bb7
  4. #5173da
  5. #90a6e7

Shades

#274bb7 mixed progressively with black.

  1. #274bb7
  2. #2344a5
  3. #1f3c92
  4. #1b3580
  5. #172d6e
  6. #14265c
  7. #101e49
  8. #0c1737
  9. #080f25
  10. #040812
  11. #000000

Tints

#274bb7 mixed progressively with white.

  1. #274bb7
  2. #3d5dbe
  3. #526fc5
  4. #6881cd
  5. #7d93d4
  6. #93a5db
  7. #a9b7e2
  8. #bec9e9
  9. #d4dbf1
  10. #e9edf8
  11. #ffffff

Tones

#274bb7 mixed progressively with gray.

  1. #274bb7
  2. #3050b2
  3. #3956ac
  4. #425ba7
  5. #4b60a1
  6. #54669c
  7. #5c6b96
  8. #657091
  9. #6e758b
  10. #777b86
  11. #808080

Readable text 7.56:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.78:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #545454 ≈ 0.003% of males
Achromatomaly #465187 ≈ 0.001% of males
Protanopia #005bbb ≈ 1.01% of males
Deuteranopia #004eb5 ≈ 1.27% of males
Tritanopia #006679 ≈ 0.0001% of males
Protanomaly #0055b9 ≈ 1.08% of males
Deuteranomaly #004db6 ≈ 4.63% of males
Tritanomaly #005d96 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-274bb7 {
  color: #274bb7;
}
Background
.bg-274bb7 {
  background-color: #274bb7;
  color: #ffffff;
}
Border
.border-274bb7 {
  border: 2px solid #274bb7;
}
CSS variables
:root {
  --color-primary: #274bb7;
  --color-primary-rgb: 39 75 183;
  --color-primary-hsl: 225 65% 44%;
}
Gradient
.gradient-274bb7 {
  background: linear-gradient(135deg, #274bb7, #4b27b7);
}
Colored shadow
.shadow-274bb7 {
  box-shadow: 0 8px 24px rgb(39 75 183 / 0.35);
}

#0047ab Cobalt Blue ΔE 3.14 #0f52ba Sapphire ΔE 3.31 #1c39bb Persian Blue ΔE 5.53 #4f42b5 Ocean Blue ΔE 6.66 #0f4d92 Yale Blue ΔE 6.71 #1034a6 Egyptian Blue ΔE 7.08 #5a4fcf Iris ΔE 7.83 #d8b448 Inverted #545454 Grayscale 

Cobalt Blue
#274bb7  rgb(39, 75, 183)  hsl(225, 65%, 44%)  Cobalt Blue
#b79327  rgb(183, 147, 39)  hsl(45, 65%, 44%)  Dark Goldenrod
#b7274b  rgb(183, 39, 75)  hsl(345, 65%, 44%)  Cardinal
#4bb727  rgb(75, 183, 39)  hsl(105, 65%, 44%)  Kelly Green