ColorTool
Log in
#3779FA

#3779fa ≈ Brandeis Blue

  • azure
  • Lightness: medium
  • Saturation: vivid
  • Cool
Check contrast Explore in graph Random color

#3779fa is a color from the azure family, with medium lightness and vivid saturation. In the RGB model it is made of 21.57% red, 47.45% green and 98.04% blue; printed in CMYK it uses 78% cyan, 51.6% magenta, 0% yellow and 1.96% black. Its hue angle is 219.69°, with 95.12% saturation and 59.8% 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 call-to-action buttons. Black text on this color reaches a contrast ratio of 5.28:1 (WCAG AA). The closest named color is Brandeis Blue (#0070ff), ΔE 3.21.

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 luminance0.2139

Complementary

  1. #3779fa
  2. #fab837

Split complementary

  1. #3779fa
  2. #fa5637
  3. #dbfa37

Analogous

  1. #37dbfa
  2. #3779fa
  3. #5637fa

Triadic

  1. #3779fa
  2. #fa3779
  3. #79fa37

Tetradic

  1. #3779fa
  2. #b837fa
  3. #fab837
  4. #79fa37

Square

  1. #3779fa
  2. #fa37db
  3. #fab837
  4. #37fa56

Monochromatic

  1. #043594
  2. #064fdf
  3. #3779fa
  4. #82abfc
  5. #ccddfe

Shades

#3779fa mixed progressively with black.

  1. #3779fa
  2. #326de1
  3. #2c61c8
  4. #2755af
  5. #214996
  6. #1c3d7d
  7. #163064
  8. #11244b
  9. #0b1832
  10. #060c19
  11. #000000

Tints

#3779fa mixed progressively with white.

  1. #3779fa
  2. #4b86fb
  3. #5f94fb
  4. #73a1fc
  5. #87affc
  6. #9bbcfd
  7. #afc9fd
  8. #c3d7fe
  9. #d7e4fe
  10. #ebf2ff
  11. #ffffff

Tones

#3779fa mixed progressively with gray.

  1. #3779fa
  2. #3e7aee
  3. #467ae2
  4. #4d7bd5
  5. #547cc9
  6. #5c7dbd
  7. #637db1
  8. #6a7ea5
  9. #717f98
  10. #797f8c
  11. #808080

Readable text 3.98:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.28:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7f7f7f ≈ 0.003% of males
Achromatomaly #6a7dbd ≈ 0.001% of males
Protanopia #1b89ff ≈ 1.01% of males
Deuteranopia #0077f7 ≈ 1.27% of males
Tritanopia #0098ae ≈ 0.0001% of males
Protanomaly #2983fd ≈ 1.08% of males
Deuteranomaly #0078f8 ≈ 4.63% of males
Tritanomaly #008dd1 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-3779fa {
  color: #3779fa;
}
Background
.bg-3779fa {
  background-color: #3779fa;
  color: #000000;
}
Border
.border-3779fa {
  border: 2px solid #3779fa;
}
CSS variables
:root {
  --color-primary: #3779fa;
  --color-primary-rgb: 55 121 250;
  --color-primary-hsl: 220 95% 60%;
}
Gradient
.gradient-3779fa {
  background: linear-gradient(135deg, #3779fa, #5637fa);
}
Colored shadow
.shadow-3779fa {
  box-shadow: 0 8px 24px rgb(55 121 250 / 0.35);
}

#0070ff Brandeis Blue ΔE 3.21 #417dc1 Tufts Blue ΔE 6.34 #4169e1 Royal Blue ΔE 6.48 #4166f5 Ultramarine Blue ΔE 6.88 #6082b6 Glaucous ΔE 7.38 #0073cf True Blue ΔE 7.67 #4682b4 Steel Blue ΔE 7.91 #c88605 Inverted #7f7f7f Grayscale 

Brandeis Blue
#3779fa  rgb(55, 121, 250)  hsl(220, 95%, 60%)  Brandeis Blue
#fab837  rgb(250, 184, 55)  hsl(40, 95%, 60%)  Amber
#fa3779  rgb(250, 55, 121)  hsl(340, 95%, 60%)  Rose
#79fa37  rgb(121, 250, 55)  hsl(100, 95%, 60%)  Lawn Green