ColorTool
Log in
#3977EC

#3977ec ≈ Brandeis Blue

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

#3977ec is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 22.35% red, 46.67% green and 92.55% blue; printed in CMYK it uses 75.85% cyan, 49.58% magenta, 0% yellow and 7.45% black. Its hue angle is 219.22°, with 82.49% saturation and 57.45% 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 5.02:1 (WCAG AA). The closest named color is Brandeis Blue (#0070ff), ΔE 2.9.

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 luminance0.2012

Complementary

  1. #3977ec
  2. #ecae39

Split complementary

  1. #3977ec
  2. #ec5539
  3. #d0ec39

Analogous

  1. #39d0ec
  2. #3977ec
  3. #5539ec

Triadic

  1. #3977ec
  2. #ec3977
  3. #77ec39

Tetradic

  1. #3977ec
  2. #ae39ec
  3. #ecae39
  4. #77ec39

Square

  1. #3977ec
  2. #ec39d0
  3. #ecae39
  4. #39ec55

Monochromatic

  1. #0c3480
  2. #1351c6
  3. #3977ec
  4. #7fa7f3
  5. #c5d7f9

Shades

#3977ec mixed progressively with black.

  1. #3977ec
  2. #336bd4
  3. #2e5fbd
  4. #2853a5
  5. #22478e
  6. #1d3c76
  7. #17305e
  8. #112447
  9. #0b182f
  10. #060c18
  11. #000000

Tints

#3977ec mixed progressively with white.

  1. #3977ec
  2. #4d85ee
  3. #6192f0
  4. #74a0f2
  5. #88adf4
  6. #9cbbf6
  7. #b0c9f7
  8. #c4d6f9
  9. #d7e4fb
  10. #ebf1fd
  11. #ffffff

Tones

#3977ec mixed progressively with gray.

  1. #3977ec
  2. #4078e1
  3. #4779d6
  4. #4e7acc
  5. #557bc1
  6. #5d7cb6
  7. #647cab
  8. #6b7da0
  9. #727e96
  10. #797f8b
  11. #808080

Readable text 4.18:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.02:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7c7c7c ≈ 0.003% of males
Achromatomaly #687ab4 ≈ 0.001% of males
Protanopia #2f85f0 ≈ 1.01% of males
Deuteranopia #0074ea ≈ 1.27% of males
Tritanopia #0093a6 ≈ 0.0001% of males
Protanomaly #337fef ≈ 1.08% of males
Deuteranomaly #1275eb ≈ 4.63% of males
Tritanomaly #0089c6 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-3977ec {
  color: #3977ec;
}
Background
.bg-3977ec {
  background-color: #3977ec;
  color: #000000;
}
Border
.border-3977ec {
  border: 2px solid #3977ec;
}
CSS variables
:root {
  --color-primary: #3977ec;
  --color-primary-rgb: 57 119 236;
  --color-primary-hsl: 219 82% 57%;
}
Gradient
.gradient-3977ec {
  background: linear-gradient(135deg, #3977ec, #5539ec);
}
Colored shadow
.shadow-3977ec {
  box-shadow: 0 8px 24px rgb(57 119 236 / 0.35);
}

#0070ff Brandeis Blue ΔE 2.90 #417dc1 Tufts Blue ΔE 5.25 #4169e1 Royal Blue ΔE 5.39 #0073cf True Blue ΔE 6.26 #4166f5 Ultramarine Blue ΔE 6.48 #6082b6 Glaucous ΔE 6.75 #4682b4 Steel Blue ΔE 7.27 #c68813 Inverted #7c7c7c Grayscale 

Brandeis Blue
#3977ec  rgb(57, 119, 236)  hsl(219, 82%, 57%)  Brandeis Blue
#ecae39  rgb(236, 174, 57)  hsl(39, 82%, 57%)  Marigold
#ec3977  rgb(236, 57, 119)  hsl(339, 82%, 57%)  Rose
#77ec39  rgb(119, 236, 57)  hsl(99, 82%, 57%)  Lawn Green