ColorTool
Log in
#217CEE

#217cee ≈ Tufts Blue

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

#217cee is a color from the azure family, with medium lightness and vivid saturation. In the RGB model it is made of 12.94% red, 48.63% green and 93.33% blue; printed in CMYK it uses 86.13% cyan, 47.9% magenta, 0% yellow and 6.67% black. Its hue angle is 213.37°, with 85.77% saturation and 53.14% 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 5.18:1 (WCAG AA). The closest named color is Tufts Blue (#417dc1), ΔE 4.13.

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 luminance0.2091

Complementary

  1. #217cee
  2. #ee9321

Split complementary

  1. #217cee
  2. #ee2d21
  3. #e2ee21

Analogous

  1. #21e2ee
  2. #217cee
  3. #2d21ee

Triadic

  1. #217cee
  2. #ee217c
  3. #7cee21

Tetradic

  1. #217cee
  2. #9321ee
  3. #ee9321
  4. #7cee21

Square

  1. #217cee
  2. #ee21e2
  3. #ee9321
  4. #21ee2d

Monochromatic

  1. #08356e
  2. #0e58b5
  3. #217cee
  4. #68a6f3
  5. #afd0f9

Shades

#217cee mixed progressively with black.

  1. #217cee
  2. #1e70d6
  3. #1a63be
  4. #1757a7
  5. #144a8f
  6. #113e77
  7. #0d325f
  8. #0a2547
  9. #071930
  10. #030c18
  11. #000000

Tints

#217cee mixed progressively with white.

  1. #217cee
  2. #3789f0
  3. #4d96f1
  4. #64a3f3
  5. #7ab0f5
  6. #90bef7
  7. #a6cbf8
  8. #bcd8fa
  9. #d3e5fc
  10. #e9f2fd
  11. #ffffff

Tones

#217cee mixed progressively with gray.

  1. #217cee
  2. #2b7ce3
  3. #347dd8
  4. #3e7dcd
  5. #477ec2
  6. #517eb7
  7. #5a7eac
  8. #647fa1
  9. #6d7f96
  10. #77808b
  11. #808080

Readable text 4.05:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.18:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7e7e7e ≈ 0.003% of males
Achromatomaly #667db6 ≈ 0.001% of males
Protanopia #3888f2 ≈ 1.01% of males
Deuteranopia #0076ec ≈ 1.27% of males
Tritanopia #0098a9 ≈ 0.0001% of males
Protanomaly #3083f1 ≈ 1.08% of males
Deuteranomaly #0078ed ≈ 4.63% of males
Tritanomaly #008dc9 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-217cee {
  color: #217cee;
}
Background
.bg-217cee {
  background-color: #217cee;
  color: #000000;
}
Border
.border-217cee {
  border: 2px solid #217cee;
}
CSS variables
:root {
  --color-primary: #217cee;
  --color-primary-rgb: 33 124 238;
  --color-primary-hsl: 213 86% 53%;
}
Gradient
.gradient-217cee {
  background: linear-gradient(135deg, #217cee, #2d21ee);
}
Colored shadow
.shadow-217cee {
  box-shadow: 0 8px 24px rgb(33 124 238 / 0.35);
}

#417dc1 Tufts Blue ΔE 4.13 #0070ff Brandeis Blue ΔE 4.66 #0073cf True Blue ΔE 5.42 #318ce7 Bleu de France ΔE 5.71 #4682b4 Steel Blue ΔE 6.00 #6082b6 Glaucous ΔE 7.02 #1e90ff Dodger Blue ΔE 7.03 #de8311 Inverted #7e7e7e Grayscale 

Tufts Blue
#217cee  rgb(33, 124, 238)  hsl(213, 86%, 53%)  Tufts Blue
#ee9321  rgb(238, 147, 33)  hsl(33, 86%, 53%)  Carrot Orange
#ee217c  rgb(238, 33, 124)  hsl(333, 86%, 53%)  Rose
#7cee21  rgb(124, 238, 33)  hsl(93, 86%, 53%)  Lawn Green