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#66717F

#66717f ≈ Slate Gray

  • azure
  • Lightness: medium
  • Saturation: almost no
  • Neutral
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#66717f is a color from the azure family, with medium lightness and almost no saturation. In the RGB model it is made of 40% red, 44.31% green and 49.8% blue; printed in CMYK it uses 19.69% cyan, 11.02% magenta, 0% yellow and 50.2% black. Its hue angle is 213.6°, with 10.92% saturation and 44.9% lightness in HSL. It is a neutral color, often associated with openness, freedom and calm. Designers typically use it for technology products, finance and banking and brand accents. White text on this color reaches a contrast ratio of 4.96:1 (WCAG AA). The closest named color is Slate Gray (#708090), ΔE 5.92.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#666666
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1617

Complementary

  1. #66717f
  2. #7f7466

Split complementary

  1. #66717f
  2. #7f6766
  3. #7d7f66

Analogous

  1. #667d7f
  2. #66717f
  3. #67667f

Triadic

  1. #66717f
  2. #7f6671
  3. #717f66

Tetradic

  1. #66717f
  2. #74667f
  3. #7f7466
  4. #717f66

Square

  1. #66717f
  2. #7f667d
  3. #7f7466
  4. #667f67

Monochromatic

  1. #22252a
  2. #444b55
  3. #66717f
  4. #8e97a4
  5. #b8bec6

Shades

#66717f mixed progressively with black.

  1. #66717f
  2. #5c6672
  3. #525a66
  4. #474f59
  5. #3d444c
  6. #333940
  7. #292d33
  8. #1f2226
  9. #141719
  10. #0a0b0d
  11. #000000

Tints

#66717f mixed progressively with white.

  1. #66717f
  2. #757f8c
  3. #858d99
  4. #949ca5
  5. #a3aab2
  6. #b3b8bf
  7. #c2c6cc
  8. #d1d4d9
  9. #e0e3e5
  10. #f0f1f2
  11. #ffffff

Tones

#66717f mixed progressively with gray.

  1. #66717f
  2. #69737f
  3. #6b747f
  4. #6e767f
  5. #70777f
  6. #737980
  7. #767a80
  8. #787c80
  9. #7b7d80
  10. #7d7f80
  11. #808080

Readable text 4.96:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.23:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #707070 ≈ 0.003% of males
Achromatomaly #6c7076 ≈ 0.001% of males
Protanopia #6c7180 ≈ 1.01% of males
Deuteranopia #696f7f ≈ 1.27% of males
Tritanopia #607475 ≈ 0.0001% of males
Protanomaly #6a717f ≈ 1.08% of males
Deuteranomaly #68707f ≈ 4.63% of males
Tritanomaly #627379 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-66717f {
  color: #66717f;
}
Background
.bg-66717f {
  background-color: #66717f;
  color: #ffffff;
}
Border
.border-66717f {
  border: 2px solid #66717f;
}
CSS variables
:root {
  --color-primary: #66717f;
  --color-primary-rgb: 102 113 127;
  --color-primary-hsl: 214 11% 45%;
}
Gradient
.gradient-66717f {
  background: linear-gradient(135deg, #66717f, #67667f);
}
Colored shadow
.shadow-66717f {
  box-shadow: 0 8px 24px rgb(102 113 127 / 0.35);
}

#708090 Slate Gray ΔE 5.92 #708090 Slate Grey ΔE 5.92 #696969 Dim Gray ΔE 8.08 #696969 Dim Grey ΔE 8.08 #778899 Light Slate Gray ΔE 8.91 #778899 Light Slate Grey ΔE 8.91 #808080 Gray ΔE 9.95 #998e80 Inverted #707070 Grayscale 

Slate Gray
#66717f  rgb(102, 113, 127)  hsl(214, 11%, 45%)  Slate Gray
#7f7466  rgb(127, 116, 102)  hsl(34, 11%, 45%)  Gray
#7f6671  rgb(127, 102, 113)  hsl(334, 11%, 45%)  Old Lavender
#717f66  rgb(113, 127, 102)  hsl(94, 11%, 45%)  Xanadu