ColorTool
Log in
#283F70

#283f70 ≈ Yale Blue

  • blue
  • Lightness: low
  • Saturation: moderate
  • Cool
Check contrast Explore in graph Random color

#283f70 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 43.92% blue; printed in CMYK it uses 64.29% cyan, 43.75% magenta, 0% yellow and 56.08% black. Its hue angle is 220.83°, with 47.37% saturation and 29.8% 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 luxury branding. White text on this color reaches a contrast ratio of 10.32:1 (WCAG AAA). The closest named color is Yale Blue (#0f4d92), ΔE 7.22.

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 luminance0.0518

Complementary

  1. #283f70
  2. #705928

Split complementary

  1. #283f70
  2. #703528
  3. #637028

Analogous

  1. #286370
  2. #283f70
  3. #352870

Triadic

  1. #283f70
  2. #70283f
  3. #3f7028

Tetradic

  1. #283f70
  2. #592870
  3. #705928
  4. #3f7028

Square

  1. #283f70
  2. #702863
  3. #705928
  4. #287035

Monochromatic

  1. #05080f
  2. #141f38
  3. #283f70
  4. #3c5fa8
  5. #6887c9

Shades

#283f70 mixed progressively with black.

  1. #283f70
  2. #243965
  3. #20325a
  4. #1c2c4e
  5. #182643
  6. #142038
  7. #10192d
  8. #0c1322
  9. #080d16
  10. #04060b
  11. #000000

Tints

#283f70 mixed progressively with white.

  1. #283f70
  2. #3e527e
  3. #53658d
  4. #69799b
  5. #7e8ca9
  6. #949fb8
  7. #a9b2c6
  8. #bfc5d4
  9. #d4d9e2
  10. #eaecf1
  11. #ffffff

Tones

#283f70 mixed progressively with gray.

  1. #283f70
  2. #314672
  3. #3a4c73
  4. #425375
  5. #4b5976
  6. #546078
  7. #5d667a
  8. #666d7b
  9. #6e737d
  10. #777a7e
  11. #808080

Readable text 10.32:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.04:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #404040 ≈ 0.003% of males
Achromatomaly #384057 ≈ 0.001% of males
Protanopia #294472 ≈ 1.01% of males
Deuteranopia #1f3d6f ≈ 1.27% of males
Tritanopia #004a52 ≈ 0.0001% of males
Protanomaly #294271 ≈ 1.08% of males
Deuteranomaly #233e6f ≈ 4.63% of males
Tritanomaly #0f465f ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-283f70 {
  color: #283f70;
}
Background
.bg-283f70 {
  background-color: #283f70;
  color: #ffffff;
}
Border
.border-283f70 {
  border: 2px solid #283f70;
}
CSS variables
:root {
  --color-primary: #283f70;
  --color-primary-rgb: 40 63 112;
  --color-primary-hsl: 221 47% 30%;
}
Gradient
.gradient-283f70 {
  background: linear-gradient(135deg, #283f70, #352870);
}
Colored shadow
.shadow-283f70 {
  box-shadow: 0 8px 24px rgb(40 63 112 / 0.35);
}

#0f4d92 Yale Blue ΔE 7.22 #003153 Prussian Blue ΔE 7.44 #003399 Smalt ΔE 8.02 #0047ab Cobalt Blue ΔE 8.53 #483d8b Dark Slate Blue ΔE 8.61 #1034a6 Egyptian Blue ΔE 9.41 #002147 Oxford Blue ΔE 10.03 #d7c08f Inverted #404040 Grayscale 

Yale Blue
#283f70  rgb(40, 63, 112)  hsl(221, 47%, 30%)  Yale Blue
#705928  rgb(112, 89, 40)  hsl(41, 47%, 30%)  Field Drab
#70283f  rgb(112, 40, 63)  hsl(341, 47%, 30%)  Wine
#3f7028  rgb(63, 112, 40)  hsl(101, 47%, 30%)  Fern Green