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#237CD7

#237cd7 ≈ Tufts Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#237cd7 is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 13.73% red, 48.63% green and 84.31% blue; printed in CMYK it uses 83.72% cyan, 42.33% magenta, 0% yellow and 15.69% black. Its hue angle is 210.33°, with 72% saturation and 49.02% 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 4.94:1 (WCAG AA). The closest named color is Tufts Blue (#417dc1), ΔE 2.27.

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 luminance0.1968

Complementary

  1. #237cd7
  2. #d77e23

Split complementary

  1. #237cd7
  2. #d72423
  3. #d6d723

Analogous

  1. #23d6d7
  2. #237cd7
  3. #2423d7

Triadic

  1. #237cd7
  2. #d7237c
  3. #7cd723

Tetradic

  1. #237cd7
  2. #7e23d7
  3. #d77e23
  4. #7cd723

Square

  1. #237cd7
  2. #d723d6
  3. #d77e23
  4. #23d724

Monochromatic

  1. #0e3053
  2. #185695
  3. #237cd7
  4. #61a3e5
  5. #a3c9f0

Shades

#237cd7 mixed progressively with black.

  1. #237cd7
  2. #2070c2
  3. #1c63ac
  4. #195797
  5. #154a81
  6. #123e6c
  7. #0e3256
  8. #0b2541
  9. #07192b
  10. #040c16
  11. #000000

Tints

#237cd7 mixed progressively with white.

  1. #237cd7
  2. #3989db
  3. #4f96df
  4. #65a3e3
  5. #7bb0e7
  6. #91beeb
  7. #a7cbef
  8. #bdd8f3
  9. #d3e5f7
  10. #e9f2fb
  11. #ffffff

Tones

#237cd7 mixed progressively with gray.

  1. #237cd7
  2. #2c7cce
  3. #367dc6
  4. #3f7dbd
  5. #487eb4
  6. #527eac
  7. #5b7ea3
  8. #647f9a
  9. #6d7f91
  10. #778089
  11. #808080

Readable text 4.25:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.94:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7b7b7b ≈ 0.003% of males
Achromatomaly #637ba8 ≈ 0.001% of males
Protanopia #4e83db ≈ 1.01% of males
Deuteranopia #2c73d5 ≈ 1.27% of males
Tritanopia #00929f ≈ 0.0001% of males
Protanomaly #4080d9 ≈ 1.08% of males
Deuteranomaly #2877d6 ≈ 4.63% of males
Tritanomaly #008ab8 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-237cd7 {
  color: #237cd7;
}
Background
.bg-237cd7 {
  background-color: #237cd7;
  color: #000000;
}
Border
.border-237cd7 {
  border: 2px solid #237cd7;
}
CSS variables
:root {
  --color-primary: #237cd7;
  --color-primary-rgb: 35 124 215;
  --color-primary-hsl: 210 72% 49%;
}
Gradient
.gradient-237cd7 {
  background: linear-gradient(135deg, #237cd7, #2423d7);
}
Colored shadow
.shadow-237cd7 {
  box-shadow: 0 8px 24px rgb(35 124 215 / 0.35);
}

#417dc1 Tufts Blue ΔE 2.27 #0073cf True Blue ΔE 3.51 #4682b4 Steel Blue ΔE 4.36 #0072bb French Blue ΔE 5.47 #318ce7 Bleu de France ΔE 5.74 #0070ff Brandeis Blue ΔE 6.52 #6082b6 Glaucous ΔE 6.83 #dc8328 Inverted #7b7b7b Grayscale 

Tufts Blue
#237cd7  rgb(35, 124, 215)  hsl(210, 72%, 49%)  Tufts Blue
#d77e23  rgb(215, 126, 35)  hsl(30, 72%, 49%)  Bronze
#d7237c  rgb(215, 35, 124)  hsl(330, 72%, 49%)  Telemagenta
#7cd723  rgb(124, 215, 35)  hsl(90, 72%, 49%)  Yellow Green