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#257DEE

#257dee ≈ Tufts Blue

  • azure
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#257dee is a color from the azure family, with medium lightness and vivid saturation. In the RGB model it is made of 14.51% red, 49.02% green and 93.33% blue; printed in CMYK it uses 84.45% cyan, 47.48% magenta, 0% yellow and 6.67% black. Its hue angle is 213.73°, with 85.53% saturation and 53.92% 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 5.25:1 (WCAG AA). The closest named color is Tufts Blue (#417dc1), ΔE 4.18.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3366ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2123

Complementary

  1. #257dee
  2. #ee9625

Split complementary

  1. #257dee
  2. #ee3125
  3. #e2ee25

Analogous

  1. #25e2ee
  2. #257dee
  3. #3125ee

Triadic

  1. #257dee
  2. #ee257d
  3. #7dee25

Tetradic

  1. #257dee
  2. #9625ee
  3. #ee9625
  4. #7dee25

Square

  1. #257dee
  2. #ee25e2
  3. #ee9625
  4. #25ee31

Monochromatic

  1. #093771
  2. #0e59b8
  3. #257dee
  4. #6ca7f4
  5. #b3d2f9

Shades

#257dee mixed progressively with black.

  1. #257dee
  2. #2171d6
  3. #1e64be
  4. #1a58a7
  5. #164b8f
  6. #133f77
  7. #0f325f
  8. #0b2647
  9. #071930
  10. #040d18
  11. #000000

Tints

#257dee mixed progressively with white.

  1. #257dee
  2. #3b8af0
  3. #5197f1
  4. #66a4f3
  5. #7cb1f5
  6. #92bef7
  7. #a8cbf8
  8. #bed8fa
  9. #d3e5fc
  10. #e9f2fd
  11. #ffffff

Tones

#257dee mixed progressively with gray.

  1. #257dee
  2. #2e7de3
  3. #377ed8
  4. #407ecd
  5. #497ec2
  6. #537fb7
  7. #5c7fac
  8. #657fa1
  9. #6e7f96
  10. #77808b
  11. #808080

Readable text 4:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.25:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7f7f7f ≈ 0.003% of males
Achromatomaly #677eb6 ≈ 0.001% of males
Protanopia #3b89f2 ≈ 1.01% of males
Deuteranopia #0077ec ≈ 1.27% of males
Tritanopia #0098aa ≈ 0.0001% of males
Protanomaly #3384f1 ≈ 1.08% of males
Deuteranomaly #0179ed ≈ 4.63% of males
Tritanomaly #008ec9 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-257dee {
  color: #257dee;
}
Background
.bg-257dee {
  background-color: #257dee;
  color: #000000;
}
Border
.border-257dee {
  border: 2px solid #257dee;
}
CSS variables
:root {
  --color-primary: #257dee;
  --color-primary-rgb: 37 125 238;
  --color-primary-hsl: 214 86% 54%;
}
Gradient
.gradient-257dee {
  background: linear-gradient(135deg, #257dee, #3125ee);
}
Colored shadow
.shadow-257dee {
  box-shadow: 0 8px 24px rgb(37 125 238 / 0.35);
}

#417dc1 Tufts Blue ΔE 4.18 #0070ff Brandeis Blue ΔE 4.90 #318ce7 Bleu de France ΔE 5.42 #0073cf True Blue ΔE 5.71 #4682b4 Steel Blue ΔE 5.96 #1e90ff Dodger Blue ΔE 6.72 #6082b6 Glaucous ΔE 6.91 #da8211 Inverted #7f7f7f Grayscale 

Tufts Blue
#257dee  rgb(37, 125, 238)  hsl(214, 86%, 54%)  Tufts Blue
#ee9625  rgb(238, 150, 37)  hsl(34, 86%, 54%)  Carrot Orange
#ee257d  rgb(238, 37, 125)  hsl(334, 86%, 54%)  Rose
#7dee25  rgb(125, 238, 37)  hsl(94, 86%, 54%)  Lawn Green