ColorTool
Log in
#3F444E

#3f444e ≈ Charcoal

  • blue
  • Lightness: low
  • Saturation: almost no
  • Neutral
Check contrast Explore in graph Random color

#3f444e is a color from the blue family, with low lightness and almost no saturation. In the RGB model it is made of 24.71% red, 26.67% green and 30.59% blue; printed in CMYK it uses 19.23% cyan, 12.82% magenta, 0% yellow and 69.41% black. Its hue angle is 220°, with 10.64% saturation and 27.65% lightness in HSL. It is a neutral 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 9.78:1 (WCAG AAA). The closest named color is Charcoal (#36454f), ΔE 4.79.

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 luminance0.0574

Complementary

  1. #3f444e
  2. #4e493f

Split complementary

  1. #3f444e
  2. #4e423f
  3. #4c4e3f

Analogous

  1. #3f4c4e
  2. #3f444e
  3. #423f4e

Triadic

  1. #3f444e
  2. #4e3f44
  3. #444e3f

Tetradic

  1. #3f444e
  2. #493f4e
  3. #4e493f
  4. #444e3f

Square

  1. #3f444e
  2. #4e3f4c
  3. #4e493f
  4. #3f4e42

Monochromatic

  1. #090a0b
  2. #1d1f24
  3. #3f444e
  4. #616978
  5. #888f9e

Shades

#3f444e mixed progressively with black.

  1. #3f444e
  2. #393d46
  3. #32363e
  4. #2c3037
  5. #26292f
  6. #202227
  7. #191b1f
  8. #131417
  9. #0d0e10
  10. #060708
  11. #000000

Tints

#3f444e mixed progressively with white.

  1. #3f444e
  2. #525760
  3. #656971
  4. #797c83
  5. #8c8f95
  6. #9fa2a7
  7. #b2b4b8
  8. #c5c7ca
  9. #d9dadc
  10. #ececed
  11. #ffffff

Tones

#3f444e mixed progressively with gray.

  1. #3f444e
  2. #464a53
  3. #4c5058
  4. #53565d
  5. #595c62
  6. #606267
  7. #66686c
  8. #6d6e71
  9. #737476
  10. #7a7a7b
  11. #808080

Readable text 9.78:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.15:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #444444 ≈ 0.003% of males
Achromatomaly #424448 ≈ 0.001% of males
Protanopia #41454e ≈ 1.01% of males
Deuteranopia #40434e ≈ 1.27% of males
Tritanopia #3b4647 ≈ 0.0001% of males
Protanomaly #40444e ≈ 1.08% of males
Deuteranomaly #3f444e ≈ 4.63% of males
Tritanomaly #3d454a ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-3f444e {
  color: #3f444e;
}
Background
.bg-3f444e {
  background-color: #3f444e;
  color: #ffffff;
}
Border
.border-3f444e {
  border: 2px solid #3f444e;
}
CSS variables
:root {
  --color-primary: #3f444e;
  --color-primary-rgb: 63 68 78;
  --color-primary-hsl: 220 11% 28%;
}
Gradient
.gradient-3f444e {
  background: linear-gradient(135deg, #3f444e, #423f4e);
}
Colored shadow
.shadow-3f444e {
  box-shadow: 0 8px 24px rgb(63 68 78 / 0.35);
}

#36454f Charcoal ΔE 4.79 #414a4c Outer Space ΔE 6.17 #353839 Onyx ΔE 6.61 #2a3439 Gunmetal ΔE 7.36 #343434 Jet ΔE 7.80 #555555 Davy's Gray ΔE 8.30 #3b3c36 Black Olive ΔE 10.23 #c0bbb1 Inverted #444444 Grayscale 

Charcoal
#3f444e  rgb(63, 68, 78)  hsl(220, 11%, 28%)  Charcoal
#4e493f  rgb(78, 73, 63)  hsl(40, 11%, 28%)  Taupe
#4e3f44  rgb(78, 63, 68)  hsl(340, 11%, 28%)  Wenge
#444e3f  rgb(68, 78, 63)  hsl(100, 11%, 28%)  Rifle Green