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#234BB2

#234bb2 ≈ Cobalt Blue

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
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#234bb2 is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 13.73% red, 29.41% green and 69.8% blue; printed in CMYK it uses 80.34% cyan, 57.87% magenta, 0% yellow and 30.2% black. Its hue angle is 223.22°, with 67.14% saturation and 41.76% 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 7.72:1 (WCAG AAA). The closest named color is Cobalt Blue (#0047ab), ΔE 2.36.

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 luminance0.086

Complementary

  1. #234bb2
  2. #b28a23

Split complementary

  1. #234bb2
  2. #b24223
  3. #92b223

Analogous

  1. #2392b2
  2. #234bb2
  3. #4223b2

Triadic

  1. #234bb2
  2. #b2234b
  3. #4bb223

Tetradic

  1. #234bb2
  2. #8a23b2
  3. #b28a23
  4. #4bb223

Square

  1. #234bb2
  2. #b22392
  3. #b28a23
  4. #23b242

Monochromatic

  1. #0a1532
  2. #163072
  3. #234bb2
  4. #4770db
  5. #87a2e7

Shades

#234bb2 mixed progressively with black.

  1. #234bb2
  2. #2044a0
  3. #1c3c8e
  4. #19357d
  5. #152d6b
  6. #122659
  7. #0e1e47
  8. #0b1735
  9. #070f24
  10. #040812
  11. #000000

Tints

#234bb2 mixed progressively with white.

  1. #234bb2
  2. #395dba
  3. #4f6fc1
  4. #6581c9
  5. #7b93d1
  6. #91a5d9
  7. #a7b7e0
  8. #bdc9e8
  9. #d3dbf0
  10. #e9edf7
  11. #ffffff

Tones

#234bb2 mixed progressively with gray.

  1. #234bb2
  2. #2c50ad
  3. #3656a8
  4. #3f5ba3
  5. #48609e
  6. #526699
  7. #5b6b94
  8. #64708f
  9. #6d758a
  10. #777b85
  11. #808080

Readable text 7.72:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.72:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #535353 ≈ 0.003% of males
Achromatomaly #445084 ≈ 0.001% of males
Protanopia #005ab5 ≈ 1.01% of males
Deuteranopia #004cb0 ≈ 1.27% of males
Tritanopia #006577 ≈ 0.0001% of males
Protanomaly #0054b4 ≈ 1.08% of males
Deuteranomaly #004cb1 ≈ 4.63% of males
Tritanomaly #005c92 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-234bb2 {
  color: #234bb2;
}
Background
.bg-234bb2 {
  background-color: #234bb2;
  color: #ffffff;
}
Border
.border-234bb2 {
  border: 2px solid #234bb2;
}
CSS variables
:root {
  --color-primary: #234bb2;
  --color-primary-rgb: 35 75 178;
  --color-primary-hsl: 223 67% 42%;
}
Gradient
.gradient-234bb2 {
  background: linear-gradient(135deg, #234bb2, #4223b2);
}
Colored shadow
.shadow-234bb2 {
  box-shadow: 0 8px 24px rgb(35 75 178 / 0.35);
}

#0047ab Cobalt Blue ΔE 2.36 #0f52ba Sapphire ΔE 2.99 #0f4d92 Yale Blue ΔE 5.83 #1c39bb Persian Blue ΔE 5.90 #1034a6 Egyptian Blue ΔE 7.05 #4f42b5 Ocean Blue ΔE 7.33 #003399 Smalt ΔE 7.73 #dcb44d Inverted #535353 Grayscale 

Cobalt Blue
#234bb2  rgb(35, 75, 178)  hsl(223, 67%, 42%)  Cobalt Blue
#b28a23  rgb(178, 138, 35)  hsl(43, 67%, 42%)  Dark Goldenrod
#b2234b  rgb(178, 35, 75)  hsl(343, 67%, 42%)  Vivid Burgundy
#4bb223  rgb(75, 178, 35)  hsl(103, 67%, 42%)  Kelly Green