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#66878F

#66878f ≈ Slate Gray

  • cyan
  • Lightness: medium
  • Saturation: muted
  • Cool
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#66878f is a color from the cyan family, with medium lightness and muted saturation. In the RGB model it is made of 40% red, 52.94% green and 56.08% blue; printed in CMYK it uses 28.67% cyan, 5.59% magenta, 0% yellow and 43.92% black. Its hue angle is 191.71°, with 16.73% saturation and 48.04% lightness in HSL. It is a cool color, often associated with freshness, technology and clarity. Designers typically use it for health and wellness, technology products and brand accents. Black text on this color reaches a contrast ratio of 5.43:1 (WCAG AA). The closest named color is Slate Gray (#708090), ΔE 8.3.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#669999
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2214

Complementary

  1. #66878f
  2. #8f6e66

Split complementary

  1. #66878f
  2. #8f6673
  3. #8f8366

Analogous

  1. #668f83
  2. #66878f
  3. #66738f

Triadic

  1. #66878f
  2. #8f6687
  3. #878f66

Tetradic

  1. #66878f
  2. #6e668f
  3. #8f6e66
  4. #878f66

Square

  1. #66878f
  2. #83668f
  3. #8f6e66
  4. #738f66

Monochromatic

  1. #263336
  2. #465d62
  3. #66878f
  4. #91aab1
  5. #becdd0

Shades

#66878f mixed progressively with black.

  1. #66878f
  2. #5c7a81
  3. #526c72
  4. #475f64
  5. #3d5156
  6. #334448
  7. #293639
  8. #1f292b
  9. #141b1d
  10. #0a0e0e
  11. #000000

Tints

#66878f mixed progressively with white.

  1. #66878f
  2. #75939a
  3. #859fa5
  4. #94abb1
  5. #a3b7bc
  6. #b3c3c7
  7. #c2cfd2
  8. #d1dbdd
  9. #e0e7e9
  10. #f0f3f4
  11. #ffffff

Tones

#66878f mixed progressively with gray.

  1. #66878f
  2. #69868e
  3. #6b868c
  4. #6e858b
  5. #708489
  6. #738488
  7. #768386
  8. #788285
  9. #7b8183
  10. #7d8182
  11. #808080

Readable text 3.87:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.43:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #818181 ≈ 0.003% of males
Achromatomaly #778487 ≈ 0.001% of males
Protanopia #818590 ≈ 1.01% of males
Deuteranopia #7a7f8f ≈ 1.27% of males
Tritanopia #598a89 ≈ 0.0001% of males
Protanomaly #77868f ≈ 1.08% of males
Deuteranomaly #73828f ≈ 4.63% of males
Tritanomaly #5e898c ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-66878f {
  color: #66878f;
}
Background
.bg-66878f {
  background-color: #66878f;
  color: #000000;
}
Border
.border-66878f {
  border: 2px solid #66878f;
}
CSS variables
:root {
  --color-primary: #66878f;
  --color-primary-rgb: 102 135 143;
  --color-primary-hsl: 192 17% 48%;
}
Gradient
.gradient-66878f {
  background: linear-gradient(135deg, #66878f, #66738f);
}
Colored shadow
.shadow-66878f {
  box-shadow: 0 8px 24px rgb(102 135 143 / 0.35);
}

#708090 Slate Gray ΔE 8.30 #708090 Slate Grey ΔE 8.30 #778899 Light Slate Gray ΔE 8.36 #778899 Light Slate Grey ΔE 8.36 #5d8aa8 Air Force Blue ΔE 8.47 #367588 Teal Blue ΔE 9.94 #5f9ea0 Cadet Blue ΔE 9.98 #997870 Inverted #818181 Grayscale 

Slate Gray
#66878f  rgb(102, 135, 143)  hsl(192, 17%, 48%)  Slate Gray
#8f6e66  rgb(143, 110, 102)  hsl(12, 17%, 48%)  Copper Rose
#8f6687  rgb(143, 102, 135)  hsl(312, 17%, 48%)  Mauve Taupe
#878f66  rgb(135, 143, 102)  hsl(72, 17%, 48%)  Moss Green