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#287EDA

#287eda ≈ Tufts Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#287eda is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 15.69% red, 49.41% green and 85.49% blue; printed in CMYK it uses 81.65% cyan, 42.2% magenta, 0% yellow and 14.51% black. Its hue angle is 211.01°, with 70.63% saturation and 50.59% 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 5.09:1 (WCAG AA). The closest named color is Tufts Blue (#417dc1), ΔE 2.45.

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 luminance0.2043

Complementary

  1. #287eda
  2. #da8428

Split complementary

  1. #287eda
  2. #da2b28
  3. #d7da28

Analogous

  1. #28d7da
  2. #287eda
  3. #2b28da

Triadic

  1. #287eda
  2. #da287e
  3. #7eda28

Tetradic

  1. #287eda
  2. #8428da
  3. #da8428
  4. #7eda28

Square

  1. #287eda
  2. #da28d7
  3. #da8428
  4. #28da2b

Monochromatic

  1. #0f335a
  2. #1b599b
  3. #287eda
  4. #69a5e5
  5. #abccf0

Shades

#287eda mixed progressively with black.

  1. #287eda
  2. #2471c4
  3. #2065ae
  4. #1c5899
  5. #184c83
  6. #143f6d
  7. #103257
  8. #0c2641
  9. #08192c
  10. #040d16
  11. #000000

Tints

#287eda mixed progressively with white.

  1. #287eda
  2. #3e8bde
  3. #5398e1
  4. #69a5e5
  5. #7eb2e9
  6. #94bfed
  7. #a9cbf0
  8. #bfd8f4
  9. #d4e5f8
  10. #eaf2fb
  11. #ffffff

Tones

#287eda mixed progressively with gray.

  1. #287eda
  2. #317ed1
  3. #3a7ec8
  4. #427fbf
  5. #4b7fb6
  6. #547fad
  7. #5d7fa4
  8. #667f9b
  9. #6e8092
  10. #778089
  11. #808080

Readable text 4.13:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.09:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7d7d7d ≈ 0.003% of males
Achromatomaly #657daa ≈ 0.001% of males
Protanopia #5085de ≈ 1.01% of males
Deuteranopia #2e75d8 ≈ 1.27% of males
Tritanopia #0094a1 ≈ 0.0001% of males
Protanomaly #4382dc ≈ 1.08% of males
Deuteranomaly #2c79d9 ≈ 4.63% of males
Tritanomaly #008cbb ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-287eda {
  color: #287eda;
}
Background
.bg-287eda {
  background-color: #287eda;
  color: #000000;
}
Border
.border-287eda {
  border: 2px solid #287eda;
}
CSS variables
:root {
  --color-primary: #287eda;
  --color-primary-rgb: 40 126 218;
  --color-primary-hsl: 211 71% 51%;
}
Gradient
.gradient-287eda {
  background: linear-gradient(135deg, #287eda, #2b28da);
}
Colored shadow
.shadow-287eda {
  box-shadow: 0 8px 24px rgb(40 126 218 / 0.35);
}

#417dc1 Tufts Blue ΔE 2.45 #4682b4 Steel Blue ΔE 4.32 #0073cf True Blue ΔE 4.36 #318ce7 Bleu de France ΔE 4.97 #0072bb French Blue ΔE 6.31 #6082b6 Glaucous ΔE 6.57 #0070ff Brandeis Blue ΔE 6.60 #d78125 Inverted #7d7d7d Grayscale 

Tufts Blue
#287eda  rgb(40, 126, 218)  hsl(211, 71%, 51%)  Tufts Blue
#da8428  rgb(218, 132, 40)  hsl(31, 71%, 51%)  Fulvous
#da287e  rgb(218, 40, 126)  hsl(331, 71%, 51%)  Telemagenta
#7eda28  rgb(126, 218, 40)  hsl(91, 71%, 51%)  Yellow Green