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#387CD3

#387cd3 ≈ Tufts Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#387cd3 is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 21.96% red, 48.63% green and 82.75% blue; printed in CMYK it uses 73.46% cyan, 41.23% magenta, 0% yellow and 17.25% black. Its hue angle is 213.68°, with 63.79% saturation and 52.35% 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 4.99:1 (WCAG AA). The closest named color is Tufts Blue (#417dc1), ΔE 1.8.

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 luminance0.1996

Complementary

  1. #387cd3
  2. #d38f38

Split complementary

  1. #387cd3
  2. #d34138
  3. #c9d338

Analogous

  1. #38c9d3
  2. #387cd3
  3. #4138d3

Triadic

  1. #387cd3
  2. #d3387c
  3. #7cd338

Tetradic

  1. #387cd3
  2. #8f38d3
  3. #d38f38
  4. #7cd338

Square

  1. #387cd3
  2. #d338c9
  3. #d38f38
  4. #38d341

Monochromatic

  1. #15355d
  2. #22589c
  3. #387cd3
  4. #77a5e1
  5. #b5ceef

Shades

#387cd3 mixed progressively with black.

  1. #387cd3
  2. #3270be
  3. #2d63a9
  4. #275794
  5. #224a7f
  6. #1c3e6a
  7. #163254
  8. #11253f
  9. #0b192a
  10. #060c15
  11. #000000

Tints

#387cd3 mixed progressively with white.

  1. #387cd3
  2. #4c89d7
  3. #6096dc
  4. #74a3e0
  5. #88b0e5
  6. #9cbee9
  7. #afcbed
  8. #c3d8f2
  9. #d7e5f6
  10. #ebf2fb
  11. #ffffff

Tones

#387cd3 mixed progressively with gray.

  1. #387cd3
  2. #3f7ccb
  3. #467dc2
  4. #4e7dba
  5. #557eb2
  6. #5c7eaa
  7. #637ea1
  8. #6a7f99
  9. #727f91
  10. #798088
  11. #808080

Readable text 4.21:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.99:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7b7b7b ≈ 0.003% of males
Achromatomaly #677ca6 ≈ 0.001% of males
Protanopia #5283d6 ≈ 1.01% of males
Deuteranopia #3875d1 ≈ 1.27% of males
Tritanopia #00909d ≈ 0.0001% of males
Protanomaly #4980d5 ≈ 1.08% of males
Deuteranomaly #3878d2 ≈ 4.63% of males
Tritanomaly #0089b5 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-387cd3 {
  color: #387cd3;
}
Background
.bg-387cd3 {
  background-color: #387cd3;
  color: #000000;
}
Border
.border-387cd3 {
  border: 2px solid #387cd3;
}
CSS variables
:root {
  --color-primary: #387cd3;
  --color-primary-rgb: 56 124 211;
  --color-primary-hsl: 214 64% 52%;
}
Gradient
.gradient-387cd3 {
  background: linear-gradient(135deg, #387cd3, #4138d3);
}
Colored shadow
.shadow-387cd3 {
  box-shadow: 0 8px 24px rgb(56 124 211 / 0.35);
}

#417dc1 Tufts Blue ΔE 1.80 #0073cf True Blue ΔE 4.11 #4682b4 Steel Blue ΔE 4.44 #6082b6 Glaucous ΔE 5.59 #0070ff Brandeis Blue ΔE 5.92 #318ce7 Bleu de France ΔE 6.02 #0072bb French Blue ΔE 6.27 #c7832c Inverted #7b7b7b Grayscale 

Tufts Blue
#387cd3  rgb(56, 124, 211)  hsl(214, 64%, 52%)  Tufts Blue
#d38f38  rgb(211, 143, 56)  hsl(34, 64%, 52%)  Peru
#d3387c  rgb(211, 56, 124)  hsl(334, 64%, 52%)  Telemagenta
#7cd338  rgb(124, 211, 56)  hsl(94, 64%, 52%)  Yellow Green