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#437BB1

#437bb1 ≈ Tufts Blue

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#437bb1 is a color from the azure family, with medium lightness and moderate saturation. In the RGB model it is made of 26.27% red, 48.24% green and 69.41% blue; printed in CMYK it uses 62.15% cyan, 30.51% magenta, 0% yellow and 30.59% black. Its hue angle is 209.45°, with 45.08% saturation and 47.84% 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 4.71:1 (WCAG AA). The closest named color is Tufts Blue (#417dc1), ΔE 2.08.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#336699
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1853

Complementary

  1. #437bb1
  2. #b17943

Split complementary

  1. #437bb1
  2. #b14344
  3. #b1b043

Analogous

  1. #43b1b0
  2. #437bb1
  3. #4344b1

Triadic

  1. #437bb1
  2. #b1437b
  3. #7bb143

Tetradic

  1. #437bb1
  2. #7943b1
  3. #b17943
  4. #7bb143

Square

  1. #437bb1
  2. #b043b1
  3. #b17943
  4. #44b143

Monochromatic

  1. #192e42
  2. #2e5479
  3. #437bb1
  4. #76a1cb
  5. #adc7e0

Shades

#437bb1 mixed progressively with black.

  1. #437bb1
  2. #3c6f9f
  3. #36628e
  4. #2f567c
  5. #284a6a
  6. #223e59
  7. #1b3147
  8. #142535
  9. #0d1923
  10. #070c12
  11. #000000

Tints

#437bb1 mixed progressively with white.

  1. #437bb1
  2. #5688b9
  3. #6995c1
  4. #7ba3c8
  5. #8eb0d0
  6. #a1bdd8
  7. #b4cae0
  8. #c7d7e8
  9. #d9e5ef
  10. #ecf2f7
  11. #ffffff

Tones

#437bb1 mixed progressively with gray.

  1. #437bb1
  2. #497cac
  3. #4f7ca7
  4. #557da2
  5. #5b7d9d
  6. #627e99
  7. #687e94
  8. #6e7f8f
  9. #747f8a
  10. #7a8085
  11. #808080

Readable text 4.46:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.71:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #777777 ≈ 0.003% of males
Achromatomaly #667992 ≈ 0.001% of males
Protanopia #647db3 ≈ 1.01% of males
Deuteranopia #5572b0 ≈ 1.27% of males
Tritanopia #00888e ≈ 0.0001% of males
Protanomaly #587cb2 ≈ 1.08% of males
Deuteranomaly #4e76b0 ≈ 4.63% of males
Tritanomaly #17839d ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-437bb1 {
  color: #437bb1;
}
Background
.bg-437bb1 {
  background-color: #437bb1;
  color: #000000;
}
Border
.border-437bb1 {
  border: 2px solid #437bb1;
}
CSS variables
:root {
  --color-primary: #437bb1;
  --color-primary-rgb: 67 123 177;
  --color-primary-hsl: 209 45% 48%;
}
Gradient
.gradient-437bb1 {
  background: linear-gradient(135deg, #437bb1, #4344b1);
}
Colored shadow
.shadow-437bb1 {
  box-shadow: 0 8px 24px rgb(67 123 177 / 0.35);
}

#417dc1 Tufts Blue ΔE 2.08 #4682b4 Steel Blue ΔE 2.76 #0073cf True Blue ΔE 4.26 #0072bb French Blue ΔE 4.65 #6082b6 Glaucous ΔE 5.49 #436b95 Queen Blue ΔE 6.60 #007ba7 Cerulean ΔE 7.41 #bc844e Inverted #777777 Grayscale 

Tufts Blue
#437bb1  rgb(67, 123, 177)  hsl(209, 45%, 48%)  Tufts Blue
#b17943  rgb(177, 121, 67)  hsl(29, 45%, 48%)  Copper
#b1437b  rgb(177, 67, 123)  hsl(329, 45%, 48%)  Mulberry
#7bb143  rgb(123, 177, 67)  hsl(89, 45%, 48%)  Kelly Green