ColorTool
Log in
#283FBC

#283fbc ≈ Persian Blue

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
Check contrast Explore in graph Random color

#283fbc is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 15.69% red, 24.71% green and 73.73% blue; printed in CMYK it uses 78.72% cyan, 66.49% magenta, 0% yellow and 26.27% black. Its hue angle is 230.68°, with 64.91% saturation and 44.71% 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 brand accents. White text on this color reaches a contrast ratio of 8.31:1 (WCAG AAA). The closest named color is Persian Blue (#1c39bb), ΔE 1.74.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3333cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0764

Complementary

  1. #283fbc
  2. #bca528

Split complementary

  1. #283fbc
  2. #bc5b28
  3. #89bc28

Analogous

  1. #2889bc
  2. #283fbc
  3. #5b28bc

Triadic

  1. #283fbc
  2. #bc283f
  3. #3fbc28

Tetradic

  1. #283fbc
  2. #a528bc
  3. #bca528
  4. #3fbc28

Square

  1. #283fbc
  2. #bc2889
  3. #bca528
  4. #28bc5b

Monochromatic

  1. #0d153e
  2. #1b2a7d
  3. #283fbc
  4. #566adb
  5. #95a2e8

Shades

#283fbc mixed progressively with black.

  1. #283fbc
  2. #2439a9
  3. #203296
  4. #1c2c84
  5. #182671
  6. #14205e
  7. #10194b
  8. #0c1338
  9. #080d26
  10. #040613
  11. #000000

Tints

#283fbc mixed progressively with white.

  1. #283fbc
  2. #3e52c3
  3. #5365c9
  4. #6979d0
  5. #7e8cd7
  6. #949fde
  7. #a9b2e4
  8. #bfc5eb
  9. #d4d9f2
  10. #eaecf8
  11. #ffffff

Tones

#283fbc mixed progressively with gray.

  1. #283fbc
  2. #3146b6
  3. #3a4cb0
  4. #4253aa
  5. #4b59a4
  6. #54609e
  7. #5d6698
  8. #666d92
  9. #6e738c
  10. #777a86
  11. #808080

Readable text 8.31:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.53:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #4e4e4e ≈ 0.003% of males
Achromatomaly #424888 ≈ 0.001% of males
Protanopia #0055c0 ≈ 1.01% of males
Deuteranopia #0047ba ≈ 1.27% of males
Tritanopia #006178 ≈ 0.0001% of males
Protanomaly #004dbe ≈ 1.08% of males
Deuteranomaly #0044bb ≈ 4.63% of males
Tritanomaly #005598 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-283fbc {
  color: #283fbc;
}
Background
.bg-283fbc {
  background-color: #283fbc;
  color: #ffffff;
}
Border
.border-283fbc {
  border: 2px solid #283fbc;
}
CSS variables
:root {
  --color-primary: #283fbc;
  --color-primary-rgb: 40 63 188;
  --color-primary-hsl: 231 65% 45%;
}
Gradient
.gradient-283fbc {
  background: linear-gradient(135deg, #283fbc, #5b28bc);
}
Colored shadow
.shadow-283fbc {
  box-shadow: 0 8px 24px rgb(40 63 188 / 0.35);
}

#1c39bb Persian Blue ΔE 1.74 #1034a6 Egyptian Blue ΔE 4.46 #4f42b5 Ocean Blue ΔE 4.70 #0047ab Cobalt Blue ΔE 5.45 #003399 Smalt ΔE 6.27 #0f52ba Sapphire ΔE 7.15 #5a4fcf Iris ΔE 7.72 #d7c043 Inverted #4e4e4e Grayscale 

Persian Blue
#283fbc  rgb(40, 63, 188)  hsl(231, 65%, 45%)  Persian Blue
#bca528  rgb(188, 165, 40)  hsl(51, 65%, 45%)  Brass
#bc283f  rgb(188, 40, 63)  hsl(351, 65%, 45%)  Cardinal
#3fbc28  rgb(63, 188, 40)  hsl(111, 65%, 45%)  Kelly Green