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#287CBE

#287cbe ≈ Tufts Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#287cbe is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 15.69% red, 48.63% green and 74.51% blue; printed in CMYK it uses 78.95% cyan, 34.74% magenta, 0% yellow and 25.49% black. Its hue angle is 206.4°, with 65.22% saturation and 45.1% 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 brand accents. Black text on this color reaches a contrast ratio of 4.72:1 (WCAG AA). The closest named color is Tufts Blue (#417dc1), ΔE 3.11.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3366cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1858

Complementary

  1. #287cbe
  2. #be6a28

Split complementary

  1. #287cbe
  2. #be2831
  3. #beb528

Analogous

  1. #28beb5
  2. #287cbe
  3. #2831be

Triadic

  1. #287cbe
  2. #be287c
  3. #7cbe28

Tetradic

  1. #287cbe
  2. #6a28be
  3. #be6a28
  4. #7cbe28

Square

  1. #287cbe
  2. #b528be
  3. #be6a28
  4. #31be28

Monochromatic

  1. #0d2a40
  2. #1b537f
  3. #287cbe
  4. #57a1dc
  5. #96c4e9

Shades

#287cbe mixed progressively with black.

  1. #287cbe
  2. #2470ab
  3. #206398
  4. #1c5785
  5. #184a72
  6. #143e5f
  7. #10324c
  8. #0c2539
  9. #081926
  10. #040c13
  11. #000000

Tints

#287cbe mixed progressively with white.

  1. #287cbe
  2. #3e89c5
  3. #5396cb
  4. #69a3d2
  5. #7eb0d8
  6. #94bedf
  7. #a9cbe5
  8. #bfd8ec
  9. #d4e5f2
  10. #eaf2f9
  11. #ffffff

Tones

#287cbe mixed progressively with gray.

  1. #287cbe
  2. #317cb8
  3. #3a7db2
  4. #427dab
  5. #4b7ea5
  6. #547e9f
  7. #5d7e99
  8. #667f93
  9. #6e7f8c
  10. #778086
  11. #808080

Readable text 4.45:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.72:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #777777 ≈ 0.003% of males
Achromatomaly #617999 ≈ 0.001% of males
Protanopia #5d7fc1 ≈ 1.01% of males
Deuteranopia #4771bd ≈ 1.27% of males
Tritanopia #008c94 ≈ 0.0001% of males
Protanomaly #4d7ec0 ≈ 1.08% of males
Deuteranomaly #3d76bd ≈ 4.63% of males
Tritanomaly #0086a6 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-287cbe {
  color: #287cbe;
}
Background
.bg-287cbe {
  background-color: #287cbe;
  color: #000000;
}
Border
.border-287cbe {
  border: 2px solid #287cbe;
}
CSS variables
:root {
  --color-primary: #287cbe;
  --color-primary-rgb: 40 124 190;
  --color-primary-hsl: 206 65% 45%;
}
Gradient
.gradient-287cbe {
  background: linear-gradient(135deg, #287cbe, #2831be);
}
Colored shadow
.shadow-287cbe {
  box-shadow: 0 8px 24px rgb(40 124 190 / 0.35);
}

#417dc1 Tufts Blue ΔE 3.11 #4682b4 Steel Blue ΔE 3.20 #0072bb French Blue ΔE 3.80 #0073cf True Blue ΔE 3.94 #007ba7 Cerulean ΔE 6.77 #318ce7 Bleu de France ΔE 7.15 #6082b6 Glaucous ΔE 7.60 #d78341 Inverted #777777 Grayscale 

Tufts Blue
#287cbe  rgb(40, 124, 190)  hsl(206, 65%, 45%)  Tufts Blue
#be6a28  rgb(190, 106, 40)  hsl(26, 65%, 45%)  Copper
#be287c  rgb(190, 40, 124)  hsl(326, 65%, 45%)  Medium Violet Red
#7cbe28  rgb(124, 190, 40)  hsl(86, 65%, 45%)  Apple Green