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#217DEF

#217def ≈ Tufts Blue

  • azure
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#217def is a color from the azure family, with medium lightness and vivid saturation. In the RGB model it is made of 12.94% red, 49.02% green and 93.73% blue; printed in CMYK it uses 86.19% cyan, 47.7% magenta, 0% yellow and 6.27% black. Its hue angle is 213.2°, with 86.55% saturation and 53.33% 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 5.24:1 (WCAG AA). The closest named color is Tufts Blue (#417dc1), ΔE 4.22.

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 luminance0.2122

Complementary

  1. #217def
  2. #ef9321

Split complementary

  1. #217def
  2. #ef2c21
  3. #e4ef21

Analogous

  1. #21e4ef
  2. #217def
  3. #2c21ef

Triadic

  1. #217def
  2. #ef217d
  3. #7def21

Tetradic

  1. #217def
  2. #9321ef
  3. #ef9321
  4. #7def21

Square

  1. #217def
  2. #ef21e4
  3. #ef9321
  4. #21ef2c

Monochromatic

  1. #08366f
  2. #0d59b6
  3. #217def
  4. #68a7f4
  5. #b0d1f9

Shades

#217def mixed progressively with black.

  1. #217def
  2. #1e71d7
  3. #1a64bf
  4. #1758a7
  5. #144b8f
  6. #113f78
  7. #0d3260
  8. #0a2648
  9. #071930
  10. #030d18
  11. #000000

Tints

#217def mixed progressively with white.

  1. #217def
  2. #378af1
  3. #4d97f2
  4. #64a4f4
  5. #7ab1f5
  6. #90bef7
  7. #a6cbf9
  8. #bcd8fa
  9. #d3e5fc
  10. #e9f2fd
  11. #ffffff

Tones

#217def mixed progressively with gray.

  1. #217def
  2. #2b7de4
  3. #347ed9
  4. #3e7ece
  5. #477ec3
  6. #517fb8
  7. #5a7fac
  8. #647fa1
  9. #6d7f96
  10. #77808b
  11. #808080

Readable text 4:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.24:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7f7f7f ≈ 0.003% of males
Achromatomaly #667eb7 ≈ 0.001% of males
Protanopia #3989f3 ≈ 1.01% of males
Deuteranopia #0077ed ≈ 1.27% of males
Tritanopia #0099aa ≈ 0.0001% of males
Protanomaly #3184f2 ≈ 1.08% of males
Deuteranomaly #0079ee ≈ 4.63% of males
Tritanomaly #008eca ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-217def {
  color: #217def;
}
Background
.bg-217def {
  background-color: #217def;
  color: #000000;
}
Border
.border-217def {
  border: 2px solid #217def;
}
CSS variables
:root {
  --color-primary: #217def;
  --color-primary-rgb: 33 125 239;
  --color-primary-hsl: 213 87% 53%;
}
Gradient
.gradient-217def {
  background: linear-gradient(135deg, #217def, #2c21ef);
}
Colored shadow
.shadow-217def {
  box-shadow: 0 8px 24px rgb(33 125 239 / 0.35);
}

#417dc1 Tufts Blue ΔE 4.22 #0070ff Brandeis Blue ΔE 4.94 #318ce7 Bleu de France ΔE 5.37 #0073cf True Blue ΔE 5.68 #4682b4 Steel Blue ΔE 5.98 #1e90ff Dodger Blue ΔE 6.66 #6082b6 Glaucous ΔE 7.03 #de8210 Inverted #7f7f7f Grayscale 

Tufts Blue
#217def  rgb(33, 125, 239)  hsl(213, 87%, 53%)  Tufts Blue
#ef9321  rgb(239, 147, 33)  hsl(33, 87%, 53%)  Carrot Orange
#ef217d  rgb(239, 33, 125)  hsl(333, 87%, 53%)  Rose
#7def21  rgb(125, 239, 33)  hsl(93, 87%, 53%)  Lawn Green