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#103EA5

#103ea5 ≈ Cobalt Blue

  • blue
  • Lightness: low
  • Saturation: strong
  • Cool
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#103ea5 is a color from the blue family, with low lightness and strong saturation. In the RGB model it is made of 6.27% red, 24.31% green and 64.71% blue; printed in CMYK it uses 90.3% cyan, 62.42% magenta, 0% yellow and 35.29% black. Its hue angle is 221.48°, with 82.32% saturation and 35.49% 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 call-to-action buttons. White text on this color reaches a contrast ratio of 9.32:1 (WCAG AAA). The closest named color is Cobalt Blue (#0047ab), ΔE 3.24.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#003399
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0627

Complementary

  1. #103ea5
  2. #a57710

Split complementary

  1. #103ea5
  2. #a52d10
  3. #88a510

Analogous

  1. #1088a5
  2. #103ea5
  3. #2d10a5

Triadic

  1. #103ea5
  2. #a5103e
  3. #3ea510

Tetradic

  1. #103ea5
  2. #7710a5
  3. #a57710
  4. #3ea510

Square

  1. #103ea5
  2. #a51088
  3. #a57710
  4. #10a52d

Monochromatic

  1. #020a1a
  2. #09245f
  3. #103ea5
  4. #1959e9
  5. #5f8bef

Shades

#103ea5 mixed progressively with black.

  1. #103ea5
  2. #0e3895
  3. #0d3284
  4. #0b2b74
  5. #0a2563
  6. #081f53
  7. #061942
  8. #051332
  9. #030c21
  10. #020611
  11. #000000

Tints

#103ea5 mixed progressively with white.

  1. #103ea5
  2. #2851ae
  3. #4065b7
  4. #5878c0
  5. #708bc9
  6. #889fd2
  7. #9fb2db
  8. #b7c5e4
  9. #cfd8ed
  10. #e7ecf6
  11. #ffffff

Tones

#103ea5 mixed progressively with gray.

  1. #103ea5
  2. #1b45a1
  3. #264b9e
  4. #32529a
  5. #3d5896
  6. #485f93
  7. #53668f
  8. #5e6c8b
  9. #6a7387
  10. #757984
  11. #808080

Readable text 9.32:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.25:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #474747 ≈ 0.003% of males
Achromatomaly #384378 ≈ 0.001% of males
Protanopia #004ea8 ≈ 1.01% of males
Deuteranopia #0040a3 ≈ 1.27% of males
Tritanopia #00596b ≈ 0.0001% of males
Protanomaly #0048a7 ≈ 1.08% of males
Deuteranomaly #003fa4 ≈ 4.63% of males
Tritanomaly #005086 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-103ea5 {
  color: #103ea5;
}
Background
.bg-103ea5 {
  background-color: #103ea5;
  color: #ffffff;
}
Border
.border-103ea5 {
  border: 2px solid #103ea5;
}
CSS variables
:root {
  --color-primary: #103ea5;
  --color-primary-rgb: 16 62 165;
  --color-primary-hsl: 221 82% 35%;
}
Gradient
.gradient-103ea5 {
  background: linear-gradient(135deg, #103ea5, #2d10a5);
}
Colored shadow
.shadow-103ea5 {
  box-shadow: 0 8px 24px rgb(16 62 165 / 0.35);
}

#0047ab Cobalt Blue ΔE 3.24 #1034a6 Egyptian Blue ΔE 3.27 #003399 Smalt ΔE 3.50 #1c39bb Persian Blue ΔE 4.14 #0f52ba Sapphire ΔE 6.80 #0f4d92 Yale Blue ΔE 6.89 #4f42b5 Ocean Blue ΔE 7.68 #efc15a Inverted #474747 Grayscale 

Cobalt Blue
#103ea5  rgb(16, 62, 165)  hsl(221, 82%, 35%)  Cobalt Blue
#a57710  rgb(165, 119, 16)  hsl(41, 82%, 35%)  Dark Goldenrod
#a5103e  rgb(165, 16, 62)  hsl(341, 82%, 35%)  Vivid Burgundy
#3ea510  rgb(62, 165, 16)  hsl(101, 82%, 35%)  Kelly Green