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#304DA2

#304da2 ≈ Cobalt Blue

  • blue
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#304da2 is a color from the blue family, with medium lightness and moderate saturation. In the RGB model it is made of 18.82% red, 30.2% green and 63.53% blue; printed in CMYK it uses 70.37% cyan, 52.47% magenta, 0% yellow and 36.47% black. Its hue angle is 224.74°, with 54.29% saturation and 41.18% 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 7.75:1 (WCAG AAA). The closest named color is Cobalt Blue (#0047ab), ΔE 3.27.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#336699
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0854

Complementary

  1. #304da2
  2. #a28530

Split complementary

  1. #304da2
  2. #a24c30
  3. #86a230

Analogous

  1. #3086a2
  2. #304da2
  3. #4c30a2

Triadic

  1. #304da2
  2. #a2304d
  3. #4da230

Tetradic

  1. #304da2
  2. #8530a2
  3. #a28530
  4. #4da230

Square

  1. #304da2
  2. #a23086
  3. #a28530
  4. #30a24c

Monochromatic

  1. #0d152c
  2. #1f3167
  3. #304da2
  4. #5371cc
  5. #8ea2dd

Shades

#304da2 mixed progressively with black.

  1. #304da2
  2. #2b4592
  3. #263e82
  4. #223671
  5. #1d2e61
  6. #182751
  7. #131f41
  8. #0e1731
  9. #0a0f20
  10. #050810
  11. #000000

Tints

#304da2 mixed progressively with white.

  1. #304da2
  2. #455fab
  3. #5971b5
  4. #6e82be
  5. #8394c7
  6. #98a6d1
  7. #acb8da
  8. #c1cae3
  9. #d6dbec
  10. #eaedf6
  11. #ffffff

Tones

#304da2 mixed progressively with gray.

  1. #304da2
  2. #38529f
  3. #40579b
  4. #485c98
  5. #506194
  6. #586791
  7. #606c8e
  8. #68718a
  9. #707687
  10. #787b83
  11. #808080

Readable text 7.75:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.71:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #535353 ≈ 0.003% of males
Achromatomaly #47507a ≈ 0.001% of males
Protanopia #1758a5 ≈ 1.01% of males
Deuteranopia #004ea0 ≈ 1.27% of males
Tritanopia #006170 ≈ 0.0001% of males
Protanomaly #2354a4 ≈ 1.08% of males
Deuteranomaly #144da1 ≈ 4.63% of males
Tritanomaly #005a87 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-304da2 {
  color: #304da2;
}
Background
.bg-304da2 {
  background-color: #304da2;
  color: #ffffff;
}
Border
.border-304da2 {
  border: 2px solid #304da2;
}
CSS variables
:root {
  --color-primary: #304da2;
  --color-primary-rgb: 48 77 162;
  --color-primary-hsl: 225 54% 41%;
}
Gradient
.gradient-304da2 {
  background: linear-gradient(135deg, #304da2, #4c30a2);
}
Colored shadow
.shadow-304da2 {
  box-shadow: 0 8px 24px rgb(48 77 162 / 0.35);
}

#0047ab Cobalt Blue ΔE 3.27 #0f52ba Sapphire ΔE 4.06 #0f4d92 Yale Blue ΔE 4.94 #1c39bb Persian Blue ΔE 7.38 #1034a6 Egyptian Blue ΔE 7.83 #4f42b5 Ocean Blue ΔE 7.88 #1560bd Denim ΔE 7.95 #cfb25d Inverted #535353 Grayscale 

Cobalt Blue
#304da2  rgb(48, 77, 162)  hsl(225, 54%, 41%)  Cobalt Blue
#a28530  rgb(162, 133, 48)  hsl(45, 54%, 41%)  Dark Goldenrod
#a2304d  rgb(162, 48, 77)  hsl(345, 54%, 41%)  Vivid Burgundy
#4da230  rgb(77, 162, 48)  hsl(105, 54%, 41%)  Kelly Green