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#3F4043

#3f4043 ≈ Onyx

  • gray
  • Lightness: low
  • Saturation: almost no
  • Neutral
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#3f4043 is a color from the gray family, with low lightness and almost no saturation. In the RGB model it is made of 24.71% red, 25.1% green and 26.27% blue; printed in CMYK it uses 5.97% cyan, 4.48% magenta, 0% yellow and 73.73% black. Its hue angle is 225°, with 3.08% saturation and 25.49% lightness in HSL. It is a neutral color, often associated with neutrality, balance and professionalism. Designers typically use it for body text and typography and corporate identities. White text on this color reaches a contrast ratio of 10.37:1 (WCAG AAA). The closest named color is Onyx (#353839), ΔE 3.49.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#333333
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0513

Complementary

  1. #3f4043
  2. #43423f

Split complementary

  1. #3f4043
  2. #43403f
  3. #42433f

Analogous

  1. #3f4243
  2. #3f4043
  3. #403f43

Triadic

  1. #3f4043
  2. #433f40
  3. #40433f

Tetradic

  1. #3f4043
  2. #423f43
  3. #43423f
  4. #40433f

Square

  1. #3f4043
  2. #433f42
  3. #43423f
  4. #3f4340

Monochromatic

  1. #0a0a0b
  2. #1a1a1c
  3. #3f4043
  4. #64666a
  5. #8a8c91

Shades

#3f4043 mixed progressively with black.

  1. #3f4043
  2. #393a3c
  3. #323336
  4. #2c2d2f
  5. #262628
  6. #202022
  7. #191a1b
  8. #131314
  9. #0d0d0d
  10. #060607
  11. #000000

Tints

#3f4043 mixed progressively with white.

  1. #3f4043
  2. #525356
  3. #656669
  4. #79797b
  5. #8c8c8e
  6. #9fa0a1
  7. #b2b3b4
  8. #c5c6c7
  9. #d9d9d9
  10. #ececec
  11. #ffffff

Tones

#3f4043 mixed progressively with gray.

  1. #3f4043
  2. #464649
  3. #4c4d4f
  4. #535355
  5. #595a5b
  6. #606062
  7. #666668
  8. #6d6d6e
  9. #737374
  10. #7a7a7a
  11. #808080

Readable text 10.37:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.03:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #404040 ≈ 0.003% of males
Achromatomaly #404041 ≈ 0.001% of males
Protanopia #3f4043 ≈ 1.01% of males
Deuteranopia #3f4043 ≈ 1.27% of males
Tritanopia #3e4141 ≈ 0.0001% of males
Protanomaly #3f4043 ≈ 1.08% of males
Deuteranomaly #3f4043 ≈ 4.63% of males
Tritanomaly #3f4042 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-3f4043 {
  color: #3f4043;
}
Background
.bg-3f4043 {
  background-color: #3f4043;
  color: #ffffff;
}
Border
.border-3f4043 {
  border: 2px solid #3f4043;
}
CSS variables
:root {
  --color-primary: #3f4043;
  --color-primary-rgb: 63 64 67;
  --color-primary-hsl: 225 3% 25%;
}
Gradient
.gradient-3f4043 {
  background: linear-gradient(135deg, #3f4043, #403f43);
}
Colored shadow
.shadow-3f4043 {
  box-shadow: 0 8px 24px rgb(63 64 67 / 0.35);
}

#353839 Onyx ΔE 3.49 #343434 Jet ΔE 4.36 #414a4c Outer Space ΔE 5.39 #3b3c36 Black Olive ΔE 6.12 #2a3439 Gunmetal ΔE 6.43 #36454f Charcoal ΔE 6.60 #555555 Davy's Gray ΔE 7.39 #c0bfbc Inverted #404040 Grayscale 

Onyx
#3f4043  rgb(63, 64, 67)  hsl(225, 3%, 25%)  Onyx
#43423f  rgb(67, 66, 63)  hsl(45, 3%, 25%)  Black Olive
#433f40  rgb(67, 63, 64)  hsl(345, 3%, 25%)  Jet
#40433f  rgb(64, 67, 63)  hsl(105, 3%, 25%)  Black Olive