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#166CFD

#166cfd ≈ Brandeis Blue

  • azure
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#166cfd is a color from the azure family, with medium lightness and vivid saturation. In the RGB model it is made of 8.63% red, 42.35% green and 99.22% blue; printed in CMYK it uses 91.3% cyan, 57.31% magenta, 0% yellow and 0.78% black. Its hue angle is 217.66°, with 98.3% saturation and 53.92% 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 4.6:1 (WCAG AA). The closest named color is Brandeis Blue (#0070ff), ΔE 1.58.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#0066ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1799

Complementary

  1. #166cfd
  2. #fda716

Split complementary

  1. #166cfd
  2. #fd3316
  3. #e0fd16

Analogous

  1. #16e0fd
  2. #166cfd
  3. #3316fd

Triadic

  1. #166cfd
  2. #fd166c
  3. #6cfd16

Tetradic

  1. #166cfd
  2. #a716fd
  3. #fda716
  4. #6cfd16

Square

  1. #166cfd
  2. #fd16e0
  3. #fda716
  4. #16fd33

Monochromatic

  1. #012e79
  2. #024ac5
  3. #166cfd
  4. #629cfe
  5. #aeccfe

Shades

#166cfd mixed progressively with black.

  1. #166cfd
  2. #1461e4
  3. #1256ca
  4. #0f4cb1
  5. #0d4198
  6. #0b367f
  7. #092b65
  8. #07204c
  9. #041633
  10. #020b19
  11. #000000

Tints

#166cfd mixed progressively with white.

  1. #166cfd
  2. #2d7bfd
  3. #4589fd
  4. #5c98fe
  5. #73a7fe
  6. #8bb6fe
  7. #a2c4fe
  8. #b9d3fe
  9. #d0e2ff
  10. #e8f0ff
  11. #ffffff

Tones

#166cfd mixed progressively with gray.

  1. #166cfd
  2. #216ef1
  3. #2b70e4
  4. #3672d8
  5. #4074cb
  6. #4b76bf
  7. #5678b2
  8. #607aa6
  9. #6b7c99
  10. #757e8d
  11. #808080

Readable text 4.57:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.6:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #767676 ≈ 0.003% of males
Achromatomaly #5e72bc ≈ 0.001% of males
Protanopia #0080ff ≈ 1.01% of males
Deuteranopia #006cfa ≈ 1.27% of males
Tritanopia #0091aa ≈ 0.0001% of males
Protanomaly #0079ff ≈ 1.08% of males
Deuteranomaly #006cfb ≈ 4.63% of males
Tritanomaly #0084d1 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-166cfd {
  color: #166cfd;
}
Background
.bg-166cfd {
  background-color: #166cfd;
  color: #000000;
}
Border
.border-166cfd {
  border: 2px solid #166cfd;
}
CSS variables
:root {
  --color-primary: #166cfd;
  --color-primary-rgb: 22 108 253;
  --color-primary-hsl: 218 98% 54%;
}
Gradient
.gradient-166cfd {
  background: linear-gradient(135deg, #166cfd, #3316fd);
}
Colored shadow
.shadow-166cfd {
  box-shadow: 0 8px 24px rgb(22 108 253 / 0.35);
}

#0070ff Brandeis Blue ΔE 1.58 #4166f5 Ultramarine Blue ΔE 3.59 #4169e1 Royal Blue ΔE 3.62 #0073cf True Blue ΔE 7.47 #417dc1 Tufts Blue ΔE 8.06 #1560bd Denim ΔE 9.05 #4682b4 Steel Blue ΔE 9.71 #e99302 Inverted #767676 Grayscale 

Brandeis Blue
#166cfd  rgb(22, 108, 253)  hsl(218, 98%, 54%)  Brandeis Blue
#fda716  rgb(253, 167, 22)  hsl(38, 98%, 54%)  Orange
#fd166c  rgb(253, 22, 108)  hsl(338, 98%, 54%)  Rose
#6cfd16  rgb(108, 253, 22)  hsl(98, 98%, 54%)  Lawn Green