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#166CFB

#166cfb ≈ Brandeis Blue

  • azure
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#166cfb 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 98.43% blue; printed in CMYK it uses 91.24% cyan, 56.97% magenta, 0% yellow and 1.57% black. Its hue angle is 217.47°, with 96.62% 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 call-to-action buttons. White text on this color reaches a contrast ratio of 4.59:1 (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 luminance0.1786

Complementary

  1. #166cfb
  2. #fba516

Split complementary

  1. #166cfb
  2. #fb3316
  3. #defb16

Analogous

  1. #16defb
  2. #166cfb
  3. #3316fb

Triadic

  1. #166cfb
  2. #fb166c
  3. #6cfb16

Tetradic

  1. #166cfb
  2. #a516fb
  3. #fba516
  4. #6cfb16

Square

  1. #166cfb
  2. #fb16de
  3. #fba516
  4. #16fb33

Monochromatic

  1. #022e76
  2. #034bc1
  3. #166cfb
  4. #619bfc
  5. #accbfe

Shades

#166cfb mixed progressively with black.

  1. #166cfb
  2. #1461e2
  3. #1256c9
  4. #0f4cb0
  5. #0d4197
  6. #0b367e
  7. #092b64
  8. #07204b
  9. #041632
  10. #020b19
  11. #000000

Tints

#166cfb mixed progressively with white.

  1. #166cfb
  2. #2d7bfb
  3. #4589fc
  4. #5c98fc
  5. #73a7fd
  6. #8bb6fd
  7. #a2c4fd
  8. #b9d3fe
  9. #d0e2fe
  10. #e8f0ff
  11. #ffffff

Tones

#166cfb mixed progressively with gray.

  1. #166cfb
  2. #216eef
  3. #2b70e2
  4. #3672d6
  5. #4074ca
  6. #4b76be
  7. #5678b1
  8. #607aa5
  9. #6b7c99
  10. #757e8c
  11. #808080

Readable text 4.59:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.57:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #757575 ≈ 0.003% of males
Achromatomaly #5d72ba ≈ 0.001% of males
Protanopia #0080ff ≈ 1.01% of males
Deuteranopia #006cf8 ≈ 1.27% of males
Tritanopia #0091a9 ≈ 0.0001% of males
Protanomaly #0078fe ≈ 1.08% of males
Deuteranomaly #006cf9 ≈ 4.63% of males
Tritanomaly #0083cf ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-166cfb {
  color: #166cfb;
}
Background
.bg-166cfb {
  background-color: #166cfb;
  color: #ffffff;
}
Border
.border-166cfb {
  border: 2px solid #166cfb;
}
CSS variables
:root {
  --color-primary: #166cfb;
  --color-primary-rgb: 22 108 251;
  --color-primary-hsl: 217 97% 54%;
}
Gradient
.gradient-166cfb {
  background: linear-gradient(135deg, #166cfb, #3316fb);
}
Colored shadow
.shadow-166cfb {
  box-shadow: 0 8px 24px rgb(22 108 251 / 0.35);
}

#0070ff Brandeis Blue ΔE 1.58 #4169e1 Royal Blue ΔE 3.50 #4166f5 Ultramarine Blue ΔE 3.66 #0073cf True Blue ΔE 7.25 #417dc1 Tufts Blue ΔE 7.92 #1560bd Denim ΔE 8.80 #0072bb French Blue ΔE 9.55 #e99304 Inverted #757575 Grayscale 

Brandeis Blue
#166cfb  rgb(22, 108, 251)  hsl(217, 97%, 54%)  Brandeis Blue
#fba516  rgb(251, 165, 22)  hsl(37, 97%, 54%)  Orange
#fb166c  rgb(251, 22, 108)  hsl(337, 97%, 54%)  Rose
#6cfb16  rgb(108, 251, 22)  hsl(97, 97%, 54%)  Lawn Green