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#3780DA

#3780da ≈ Tufts Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#3780da is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 21.57% red, 50.2% green and 85.49% blue; printed in CMYK it uses 74.77% cyan, 41.28% magenta, 0% yellow and 14.51% black. Its hue angle is 213.13°, with 68.78% saturation and 53.53% lightness in HSL. It is a cool color, often associated with openness, freedom and calm. Designers typically use it for technology products, finance and banking and brand accents. Black text on this color reaches a contrast ratio of 5.26:1 (WCAG AA). The closest named color is Tufts Blue (#417dc1), ΔE 2.66.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3399cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2131

Complementary

  1. #3780da
  2. #da9137

Split complementary

  1. #3780da
  2. #da4037
  3. #d2da37

Analogous

  1. #37d2da
  2. #3780da
  3. #4037da

Triadic

  1. #3780da
  2. #da3780
  3. #80da37

Tetradic

  1. #3780da
  2. #9137da
  3. #da9137
  4. #80da37

Square

  1. #3780da
  2. #da37d2
  3. #da9137
  4. #37da40

Monochromatic

  1. #133865
  2. #1f5ba6
  3. #3780da
  4. #78a9e6
  5. #b8d2f2

Shades

#3780da mixed progressively with black.

  1. #3780da
  2. #3273c4
  3. #2c66ae
  4. #275a99
  5. #214d83
  6. #1c406d
  7. #163357
  8. #112641
  9. #0b1a2c
  10. #060d16
  11. #000000

Tints

#3780da mixed progressively with white.

  1. #3780da
  2. #4b8dde
  3. #5f99e1
  4. #73a6e5
  5. #87b3e9
  6. #9bc0ed
  7. #afccf0
  8. #c3d9f4
  9. #d7e6f8
  10. #ebf2fb
  11. #ffffff

Tones

#3780da mixed progressively with gray.

  1. #3780da
  2. #3e80d1
  3. #4680c8
  4. #4d80bf
  5. #5480b6
  6. #5c80ad
  7. #6380a4
  8. #6a809b
  9. #718092
  10. #798089
  11. #808080

Readable text 3.99:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.26:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7f7f7f ≈ 0.003% of males
Achromatomaly #6a80ab ≈ 0.001% of males
Protanopia #5487de ≈ 1.01% of males
Deuteranopia #3878d8 ≈ 1.27% of males
Tritanopia #0095a2 ≈ 0.0001% of males
Protanomaly #4a84dc ≈ 1.08% of males
Deuteranomaly #387cd9 ≈ 4.63% of males
Tritanomaly #008dbb ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-3780da {
  color: #3780da;
}
Background
.bg-3780da {
  background-color: #3780da;
  color: #000000;
}
Border
.border-3780da {
  border: 2px solid #3780da;
}
CSS variables
:root {
  --color-primary: #3780da;
  --color-primary-rgb: 55 128 218;
  --color-primary-hsl: 213 69% 54%;
}
Gradient
.gradient-3780da {
  background: linear-gradient(135deg, #3780da, #4037da);
}
Colored shadow
.shadow-3780da {
  box-shadow: 0 8px 24px rgb(55 128 218 / 0.35);
}

#417dc1 Tufts Blue ΔE 2.66 #4682b4 Steel Blue ΔE 4.42 #318ce7 Bleu de France ΔE 4.47 #0073cf True Blue ΔE 5.39 #6082b6 Glaucous ΔE 5.77 #1e90ff Dodger Blue ΔE 6.36 #0070ff Brandeis Blue ΔE 6.55 #c87f25 Inverted #7f7f7f Grayscale 

Tufts Blue
#3780da  rgb(55, 128, 218)  hsl(213, 69%, 54%)  Tufts Blue
#da9137  rgb(218, 145, 55)  hsl(33, 69%, 54%)  Carrot Orange
#da3780  rgb(218, 55, 128)  hsl(333, 69%, 54%)  Telemagenta
#80da37  rgb(128, 218, 55)  hsl(93, 69%, 54%)  Yellow Green