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#3758EA

#3758ea ≈ Ultramarine Blue

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
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#3758ea is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 21.57% red, 34.51% green and 91.76% blue; printed in CMYK it uses 76.5% cyan, 62.39% magenta, 0% yellow and 8.24% black. Its hue angle is 228.94°, with 81% saturation and 56.67% 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 5.61:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 4.8.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3366ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1373

Complementary

  1. #3758ea
  2. #eac937

Split complementary

  1. #3758ea
  2. #ea7037
  3. #b2ea37

Analogous

  1. #37b2ea
  2. #3758ea
  3. #7037ea

Triadic

  1. #3758ea
  2. #ea3758
  3. #58ea37

Tetradic

  1. #3758ea
  2. #c937ea
  3. #eac937
  4. #58ea37

Square

  1. #3758ea
  2. #ea37b2
  3. #eac937
  4. #37ea70

Monochromatic

  1. #0d217b
  2. #1434c0
  3. #3758ea
  4. #7c92f1
  5. #c1ccf9

Shades

#3758ea mixed progressively with black.

  1. #3758ea
  2. #324fd3
  3. #2c46bb
  4. #273ea4
  5. #21358c
  6. #1c2c75
  7. #16235e
  8. #111a46
  9. #0b122f
  10. #060917
  11. #000000

Tints

#3758ea mixed progressively with white.

  1. #3758ea
  2. #4b69ec
  3. #5f79ee
  4. #738af0
  5. #879bf2
  6. #9bacf5
  7. #afbcf7
  8. #c3cdf9
  9. #d7defb
  10. #ebeefd
  11. #ffffff

Tones

#3758ea mixed progressively with gray.

  1. #3758ea
  2. #3e5cdf
  3. #4660d5
  4. #4d64ca
  5. #5468c0
  6. #5c6cb5
  7. #6370aa
  8. #6a74a0
  9. #717895
  10. #797c8b
  11. #808080

Readable text 5.61:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.75:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #686868 ≈ 0.003% of males
Achromatomaly #5862ac ≈ 0.001% of males
Protanopia #0070ef ≈ 1.01% of males
Deuteranopia #005fe7 ≈ 1.27% of males
Tritanopia #007e99 ≈ 0.0001% of males
Protanomaly #0067ed ≈ 1.08% of males
Deuteranomaly #005ce8 ≈ 4.63% of males
Tritanomaly #0071bf ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-3758ea {
  color: #3758ea;
}
Background
.bg-3758ea {
  background-color: #3758ea;
  color: #ffffff;
}
Border
.border-3758ea {
  border: 2px solid #3758ea;
}
CSS variables
:root {
  --color-primary: #3758ea;
  --color-primary-rgb: 55 88 234;
  --color-primary-hsl: 229 81% 57%;
}
Gradient
.gradient-3758ea {
  background: linear-gradient(135deg, #3758ea, #7037ea);
}
Colored shadow
.shadow-3758ea {
  box-shadow: 0 8px 24px rgb(55 88 234 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 4.80 #4169e1 Royal Blue ΔE 5.58 #6050dc Majorelle Blue ΔE 5.71 #5a4fcf Iris ΔE 5.94 #6a5acd Slate Blue ΔE 7.24 #0f52ba Sapphire ΔE 7.97 #1560bd Denim ΔE 8.64 #c8a715 Inverted #686868 Grayscale 

Ultramarine Blue
#3758ea  rgb(55, 88, 234)  hsl(229, 81%, 57%)  Ultramarine Blue
#eac937  rgb(234, 201, 55)  hsl(49, 81%, 57%)  Jonquil
#ea3758  rgb(234, 55, 88)  hsl(349, 81%, 57%)  Amaranth
#58ea37  rgb(88, 234, 55)  hsl(109, 81%, 57%)  Neon Green