ColorTool
Log in
#103FA7

#103fa7 ≈ Cobalt Blue

  • blue
  • Lightness: low
  • Saturation: strong
  • Cool
Check contrast Explore in graph Random color

#103fa7 is a color from the blue family, with low lightness and strong saturation. In the RGB model it is made of 6.27% red, 24.71% green and 65.49% blue; printed in CMYK it uses 90.42% cyan, 62.28% magenta, 0% yellow and 34.51% black. Its hue angle is 221.32°, with 82.51% saturation and 35.88% 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 9.17:1 (WCAG AAA). The closest named color is Cobalt Blue (#0047ab), ΔE 2.94.

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 luminance0.0646

Complementary

  1. #103fa7
  2. #a77810

Split complementary

  1. #103fa7
  2. #a72c10
  3. #8ba710

Analogous

  1. #108ba7
  2. #103fa7
  3. #2c10a7

Triadic

  1. #103fa7
  2. #a7103f
  3. #3fa710

Tetradic

  1. #103fa7
  2. #7810a7
  3. #a77810
  4. #3fa710

Square

  1. #103fa7
  2. #a7108b
  3. #a77810
  4. #10a72c

Monochromatic

  1. #030a1b
  2. #092561
  3. #103fa7
  4. #1a5be9
  5. #608df0

Shades

#103fa7 mixed progressively with black.

  1. #103fa7
  2. #0e3996
  3. #0d3286
  4. #0b2c75
  5. #0a2664
  6. #082054
  7. #061943
  8. #051332
  9. #030d21
  10. #020611
  11. #000000

Tints

#103fa7 mixed progressively with white.

  1. #103fa7
  2. #2852b0
  3. #4065b9
  4. #5879c1
  5. #708cca
  6. #889fd3
  7. #9fb2dc
  8. #b7c5e5
  9. #cfd9ed
  10. #e7ecf6
  11. #ffffff

Tones

#103fa7 mixed progressively with gray.

  1. #103fa7
  2. #1b46a3
  3. #264c9f
  4. #32539b
  5. #3d5997
  6. #486094
  7. #536690
  8. #5e6d8c
  9. #6a7388
  10. #757a84
  11. #808080

Readable text 9.17:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.29:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #484848 ≈ 0.003% of males
Achromatomaly #39447a ≈ 0.001% of males
Protanopia #004faa ≈ 1.01% of males
Deuteranopia #0041a5 ≈ 1.27% of males
Tritanopia #005a6d ≈ 0.0001% of males
Protanomaly #0049a9 ≈ 1.08% of males
Deuteranomaly #0040a6 ≈ 4.63% of males
Tritanomaly #005188 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-103fa7 {
  color: #103fa7;
}
Background
.bg-103fa7 {
  background-color: #103fa7;
  color: #ffffff;
}
Border
.border-103fa7 {
  border: 2px solid #103fa7;
}
CSS variables
:root {
  --color-primary: #103fa7;
  --color-primary-rgb: 16 63 167;
  --color-primary-hsl: 221 83% 36%;
}
Gradient
.gradient-103fa7 {
  background: linear-gradient(135deg, #103fa7, #2c10a7);
}
Colored shadow
.shadow-103fa7 {
  box-shadow: 0 8px 24px rgb(16 63 167 / 0.35);
}

#0047ab Cobalt Blue ΔE 2.94 #1034a6 Egyptian Blue ΔE 3.52 #003399 Smalt ΔE 3.87 #1c39bb Persian Blue ΔE 4.07 #0f52ba Sapphire ΔE 6.45 #0f4d92 Yale Blue ΔE 6.74 #4f42b5 Ocean Blue ΔE 7.57 #efc058 Inverted #484848 Grayscale 

Cobalt Blue
#103fa7  rgb(16, 63, 167)  hsl(221, 83%, 36%)  Cobalt Blue
#a77810  rgb(167, 120, 16)  hsl(41, 83%, 36%)  Dark Goldenrod
#a7103f  rgb(167, 16, 63)  hsl(341, 83%, 36%)  Vivid Burgundy
#3fa710  rgb(63, 167, 16)  hsl(101, 83%, 36%)  Kelly Green