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#437DB3

#437db3 ≈ Tufts Blue

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#437db3 is a color from the azure family, with medium lightness and moderate saturation. In the RGB model it is made of 26.27% red, 49.02% green and 70.2% blue; printed in CMYK it uses 62.57% cyan, 30.17% magenta, 0% yellow and 29.8% black. Its hue angle is 208.93°, with 45.53% saturation and 48.24% 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 4.82:1 (WCAG AA). The closest named color is Tufts Blue (#417dc1), ΔE 1.92.

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 luminance0.1912

Complementary

  1. #437db3
  2. #b37943

Split complementary

  1. #437db3
  2. #b34345
  3. #b3b143

Analogous

  1. #43b3b1
  2. #437db3
  3. #4345b3

Triadic

  1. #437db3
  2. #b3437d
  3. #7db343

Tetradic

  1. #437db3
  2. #7943b3
  3. #b37943
  4. #7db343

Square

  1. #437db3
  2. #b143b3
  3. #b37943
  4. #45b343

Monochromatic

  1. #192f44
  2. #2e567b
  3. #437db3
  4. #77a3cc
  5. #aec8e1

Shades

#437db3 mixed progressively with black.

  1. #437db3
  2. #3c71a1
  3. #36648f
  4. #2f587d
  5. #284b6b
  6. #223f5a
  7. #1b3248
  8. #142636
  9. #0d1924
  10. #070d12
  11. #000000

Tints

#437db3 mixed progressively with white.

  1. #437db3
  2. #568abb
  3. #6997c2
  4. #7ba4ca
  5. #8eb1d1
  6. #a1bed9
  7. #b4cbe1
  8. #c7d8e8
  9. #d9e5f0
  10. #ecf2f7
  11. #ffffff

Tones

#437db3 mixed progressively with gray.

  1. #437db3
  2. #497dae
  3. #4f7ea9
  4. #557ea4
  5. #5b7e9f
  6. #627f9a
  7. #687f94
  8. #6e7f8f
  9. #747f8a
  10. #7a8085
  11. #808080

Readable text 4.35:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.82:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #797979 ≈ 0.003% of males
Achromatomaly #687b94 ≈ 0.001% of males
Protanopia #667fb5 ≈ 1.01% of males
Deuteranopia #5774b2 ≈ 1.27% of males
Tritanopia #008a90 ≈ 0.0001% of males
Protanomaly #5a7eb4 ≈ 1.08% of males
Deuteranomaly #4f78b2 ≈ 4.63% of males
Tritanomaly #14859f ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-437db3 {
  color: #437db3;
}
Background
.bg-437db3 {
  background-color: #437db3;
  color: #000000;
}
Border
.border-437db3 {
  border: 2px solid #437db3;
}
CSS variables
:root {
  --color-primary: #437db3;
  --color-primary-rgb: 67 125 179;
  --color-primary-hsl: 209 46% 48%;
}
Gradient
.gradient-437db3 {
  background: linear-gradient(135deg, #437db3, #4345b3);
}
Colored shadow
.shadow-437db3 {
  box-shadow: 0 8px 24px rgb(67 125 179 / 0.35);
}

#417dc1 Tufts Blue ΔE 1.92 #4682b4 Steel Blue ΔE 2.00 #0073cf True Blue ΔE 4.65 #0072bb French Blue ΔE 5.08 #6082b6 Glaucous ΔE 5.38 #5d8aa8 Air Force Blue ΔE 6.99 #318ce7 Bleu de France ΔE 7.18 #bc824c Inverted #797979 Grayscale 

Tufts Blue
#437db3  rgb(67, 125, 179)  hsl(209, 46%, 48%)  Tufts Blue
#b37943  rgb(179, 121, 67)  hsl(29, 46%, 48%)  Copper
#b3437d  rgb(179, 67, 125)  hsl(329, 46%, 48%)  Mulberry
#7db343  rgb(125, 179, 67)  hsl(89, 46%, 48%)  Kelly Green