ColorTool
Log in
#397FF6

#397ff6 ≈ Brandeis Blue

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

#397ff6 is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 22.35% red, 49.8% green and 96.47% blue; printed in CMYK it uses 76.83% cyan, 48.37% magenta, 0% yellow and 3.53% black. Its hue angle is 217.78°, with 91.3% saturation and 59.41% 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 5.54:1 (WCAG AA). The closest named color is Brandeis Blue (#0070ff), ΔE 5.04.

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 luminance0.227

Complementary

  1. #397ff6
  2. #f6b039

Split complementary

  1. #397ff6
  2. #f65239
  3. #ddf639

Analogous

  1. #39ddf6
  2. #397ff6
  3. #5239f6

Triadic

  1. #397ff6
  2. #f6397f
  3. #7ff639

Tetradic

  1. #397ff6
  2. #b039f6
  3. #f6b039
  4. #7ff639

Square

  1. #397ff6
  2. #f639dd
  3. #f6b039
  4. #39f652

Monochromatic

  1. #07398f
  2. #0a56d9
  3. #397ff6
  4. #82aef9
  5. #cbdefd

Shades

#397ff6 mixed progressively with black.

  1. #397ff6
  2. #3372dd
  3. #2e66c5
  4. #2859ac
  5. #224c94
  6. #1d407b
  7. #173362
  8. #11264a
  9. #0b1931
  10. #060d19
  11. #000000

Tints

#397ff6 mixed progressively with white.

  1. #397ff6
  2. #4d8cf7
  3. #6199f8
  4. #74a5f9
  5. #88b2fa
  6. #9cbffb
  7. #b0ccfb
  8. #c4d9fc
  9. #d7e5fd
  10. #ebf2fe
  11. #ffffff

Tones

#397ff6 mixed progressively with gray.

  1. #397ff6
  2. #407fea
  3. #477fde
  4. #4e7fd3
  5. #557fc7
  6. #5d80bb
  7. #6480af
  8. #6b80a3
  9. #728098
  10. #79808c
  11. #808080

Readable text 3.79:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.54:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #838383 ≈ 0.003% of males
Achromatomaly #6d81bc ≈ 0.001% of males
Protanopia #398cfa ≈ 1.01% of males
Deuteranopia #007bf4 ≈ 1.27% of males
Tritanopia #009caf ≈ 0.0001% of males
Protanomaly #3987f9 ≈ 1.08% of males
Deuteranomaly #187df5 ≈ 4.63% of males
Tritanomaly #0091cf ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-397ff6 {
  color: #397ff6;
}
Background
.bg-397ff6 {
  background-color: #397ff6;
  color: #000000;
}
Border
.border-397ff6 {
  border: 2px solid #397ff6;
}
CSS variables
:root {
  --color-primary: #397ff6;
  --color-primary-rgb: 57 127 246;
  --color-primary-hsl: 218 91% 59%;
}
Gradient
.gradient-397ff6 {
  background: linear-gradient(135deg, #397ff6, #5239f6);
}
Colored shadow
.shadow-397ff6 {
  box-shadow: 0 8px 24px rgb(57 127 246 / 0.35);
}

#0070ff Brandeis Blue ΔE 5.04 #417dc1 Tufts Blue ΔE 5.68 #318ce7 Bleu de France ΔE 5.88 #5b92e5 United Nations Blue ΔE 6.12 #1e90ff Dodger Blue ΔE 6.65 #6082b6 Glaucous ΔE 6.83 #4682b4 Steel Blue ΔE 7.09 #c68009 Inverted #838383 Grayscale 

Brandeis Blue
#397ff6  rgb(57, 127, 246)  hsl(218, 91%, 59%)  Brandeis Blue
#f6b039  rgb(246, 176, 57)  hsl(38, 91%, 59%)  Pastel Orange
#f6397f  rgb(246, 57, 127)  hsl(338, 91%, 59%)  French Rose
#7ff639  rgb(127, 246, 57)  hsl(98, 91%, 59%)  Lawn Green