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#283F71

#283f71 ≈ Yale Blue

  • blue
  • Lightness: low
  • Saturation: moderate
  • Cool
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#283f71 is a color from the blue family, with low lightness and moderate saturation. In the RGB model it is made of 15.69% red, 24.71% green and 44.31% blue; printed in CMYK it uses 64.6% cyan, 44.25% magenta, 0% yellow and 55.69% black. Its hue angle is 221.1°, with 47.71% saturation and 30% lightness in HSL. It is a cool color, often associated with trust, stability and focus. Designers typically use it for technology products, finance and banking and corporate identities. White text on this color reaches a contrast ratio of 10.3:1 (WCAG AAA). The closest named color is Yale Blue (#0f4d92), ΔE 7.16.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#333366
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.052

Complementary

  1. #283f71
  2. #715a28

Split complementary

  1. #283f71
  2. #713628
  3. #637128

Analogous

  1. #286371
  2. #283f71
  3. #362871

Triadic

  1. #283f71
  2. #71283f
  3. #3f7128

Tetradic

  1. #283f71
  2. #5a2871
  3. #715a28
  4. #3f7128

Square

  1. #283f71
  2. #712863
  3. #715a28
  4. #287136

Monochromatic

  1. #05080f
  2. #141f38
  3. #283f71
  4. #3c5ea9
  5. #6887ca

Shades

#283f71 mixed progressively with black.

  1. #283f71
  2. #243966
  3. #20325a
  4. #1c2c4f
  5. #182644
  6. #142039
  7. #10192d
  8. #0c1322
  9. #080d17
  10. #04060b
  11. #000000

Tints

#283f71 mixed progressively with white.

  1. #283f71
  2. #3e527f
  3. #53658d
  4. #69799c
  5. #7e8caa
  6. #949fb8
  7. #a9b2c6
  8. #bfc5d4
  9. #d4d9e3
  10. #eaecf1
  11. #ffffff

Tones

#283f71 mixed progressively with gray.

  1. #283f71
  2. #314673
  3. #3a4c74
  4. #425376
  5. #4b5977
  6. #546079
  7. #5d667a
  8. #666d7c
  9. #6e737d
  10. #777a7f
  11. #808080

Readable text 10.3:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.04:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #404040 ≈ 0.003% of males
Achromatomaly #384058 ≈ 0.001% of males
Protanopia #294473 ≈ 1.01% of males
Deuteranopia #1e3d70 ≈ 1.27% of males
Tritanopia #004a52 ≈ 0.0001% of males
Protanomaly #284272 ≈ 1.08% of males
Deuteranomaly #223e70 ≈ 4.63% of males
Tritanomaly #0e4660 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-283f71 {
  color: #283f71;
}
Background
.bg-283f71 {
  background-color: #283f71;
  color: #ffffff;
}
Border
.border-283f71 {
  border: 2px solid #283f71;
}
CSS variables
:root {
  --color-primary: #283f71;
  --color-primary-rgb: 40 63 113;
  --color-primary-hsl: 221 48% 30%;
}
Gradient
.gradient-283f71 {
  background: linear-gradient(135deg, #283f71, #362871);
}
Colored shadow
.shadow-283f71 {
  box-shadow: 0 8px 24px rgb(40 63 113 / 0.35);
}

#0f4d92 Yale Blue ΔE 7.16 #003153 Prussian Blue ΔE 7.52 #003399 Smalt ΔE 7.90 #0047ab Cobalt Blue ΔE 8.41 #483d8b Dark Slate Blue ΔE 8.49 #1034a6 Egyptian Blue ΔE 9.29 #002147 Oxford Blue ΔE 10.10 #d7c08e Inverted #404040 Grayscale 

Yale Blue
#283f71  rgb(40, 63, 113)  hsl(221, 48%, 30%)  Yale Blue
#715a28  rgb(113, 90, 40)  hsl(41, 48%, 30%)  Field Drab
#71283f  rgb(113, 40, 63)  hsl(341, 48%, 30%)  Wine
#3f7128  rgb(63, 113, 40)  hsl(101, 48%, 30%)  Sap Green