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#137BDB

#137bdb ≈ Tufts Blue

  • azure
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#137bdb is a color from the azure family, with medium lightness and vivid saturation. In the RGB model it is made of 7.45% red, 48.24% green and 85.88% blue; printed in CMYK it uses 91.32% cyan, 43.84% magenta, 0% yellow and 14.12% black. Its hue angle is 208.8°, with 84.03% saturation and 46.67% 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 4.88:1 (WCAG AA). The closest named color is Tufts Blue (#417dc1), ΔE 2.73.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#0066cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1942

Complementary

  1. #137bdb
  2. #db7313

Split complementary

  1. #137bdb
  2. #db1317
  3. #dbd713

Analogous

  1. #13dbd7
  2. #137bdb
  3. #1317db

Triadic

  1. #137bdb
  2. #db137b
  3. #7bdb13

Tetradic

  1. #137bdb
  2. #7313db
  3. #db7313
  4. #7bdb13

Square

  1. #137bdb
  2. #d713db
  3. #db7313
  4. #17db13

Monochromatic

  1. #072c4e
  2. #0d5395
  3. #137bdb
  4. #4ba1ef
  5. #92c6f5

Shades

#137bdb mixed progressively with black.

  1. #137bdb
  2. #116fc5
  3. #0f62af
  4. #0d5699
  5. #0b4a83
  6. #0a3e6e
  7. #083158
  8. #062542
  9. #04192c
  10. #020c16
  11. #000000

Tints

#137bdb mixed progressively with white.

  1. #137bdb
  2. #2b88df
  3. #4295e2
  4. #5aa3e6
  5. #71b0e9
  6. #89bded
  7. #a1caf1
  8. #b8d7f4
  9. #d0e5f8
  10. #e7f2fb
  11. #ffffff

Tones

#137bdb mixed progressively with gray.

  1. #137bdb
  2. #1e7cd2
  3. #297cc9
  4. #347dc0
  5. #3f7db7
  6. #4a7eae
  7. #547ea4
  8. #5f7f9b
  9. #6a7f92
  10. #758089
  11. #808080

Readable text 4.3:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.88:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7a7a7a ≈ 0.003% of males
Achromatomaly #617aaa ≈ 0.001% of males
Protanopia #4883df ≈ 1.01% of males
Deuteranopia #1c72d9 ≈ 1.27% of males
Tritanopia #0092a0 ≈ 0.0001% of males
Protanomaly #3980dd ≈ 1.08% of males
Deuteranomaly #1976da ≈ 4.63% of males
Tritanomaly #008abb ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-137bdb {
  color: #137bdb;
}
Background
.bg-137bdb {
  background-color: #137bdb;
  color: #000000;
}
Border
.border-137bdb {
  border: 2px solid #137bdb;
}
CSS variables
:root {
  --color-primary: #137bdb;
  --color-primary-rgb: 19 123 219;
  --color-primary-hsl: 209 84% 47%;
}
Gradient
.gradient-137bdb {
  background: linear-gradient(135deg, #137bdb, #1317db);
}
Colored shadow
.shadow-137bdb {
  box-shadow: 0 8px 24px rgb(19 123 219 / 0.35);
}

#417dc1 Tufts Blue ΔE 2.73 #0073cf True Blue ΔE 3.23 #4682b4 Steel Blue ΔE 4.74 #0072bb French Blue ΔE 5.27 #318ce7 Bleu de France ΔE 6.01 #0070ff Brandeis Blue ΔE 6.42 #6082b6 Glaucous ΔE 7.34 #ec8424 Inverted #7a7a7a Grayscale 

Tufts Blue
#137bdb  rgb(19, 123, 219)  hsl(209, 84%, 47%)  Tufts Blue
#db7313  rgb(219, 115, 19)  hsl(29, 84%, 47%)  Ochre
#db137b  rgb(219, 19, 123)  hsl(329, 84%, 47%)  Telemagenta
#7bdb13  rgb(123, 219, 19)  hsl(89, 84%, 47%)  Yellow Green