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#18171F

#18171f ≈ Rich Black

  • gray
  • Lightness: very low
  • Saturation: muted
  • Neutral
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#18171f is a color from the gray family, with very low lightness and muted saturation. In the RGB model it is made of 9.41% red, 9.02% green and 12.16% blue; printed in CMYK it uses 22.58% cyan, 25.81% magenta, 0% yellow and 87.84% black. Its hue angle is 247.5°, with 14.81% saturation and 10.59% 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 17.78:1 (WCAG AAA). The closest named color is Rich Black (#010b13), ΔE 6.46.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#000033
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0091

Complementary

  1. #18171f
  2. #1e1f17

Split complementary

  1. #18171f
  2. #1f1c17
  3. #1a1f17

Analogous

  1. #171a1f
  2. #18171f
  3. #1c171f

Triadic

  1. #18171f
  2. #1f1817
  3. #171f18

Tetradic

  1. #18171f
  2. #1f171e
  3. #1e1f17
  4. #171f18

Square

  1. #18171f
  2. #1f171a
  3. #1e1f17
  4. #171f1c

Monochromatic

  1. #09090c
  2. #09090c
  3. #18171f
  4. #3a384b
  5. #5c5877

Shades

#18171f mixed progressively with black.

  1. #18171f
  2. #16151c
  3. #131219
  4. #111016
  5. #0e0e13
  6. #0c0c10
  7. #0a090c
  8. #070709
  9. #050506
  10. #020203
  11. #000000

Tints

#18171f mixed progressively with white.

  1. #18171f
  2. #2f2e35
  3. #46454c
  4. #5d5d62
  5. #747479
  6. #8c8b8f
  7. #a3a2a5
  8. #bab9bc
  9. #d1d1d2
  10. #e8e8e9
  11. #ffffff

Tones

#18171f mixed progressively with gray.

  1. #18171f
  2. #222229
  3. #2d2c32
  4. #37373c
  5. #424146
  6. #4c4c50
  7. #565659
  8. #616163
  9. #6b6b6d
  10. #767676
  11. #808080

Readable text 17.78:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.18:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #181818 ≈ 0.003% of males
Achromatomaly #18181b ≈ 0.001% of males
Protanopia #15181f ≈ 1.01% of males
Deuteranopia #15181f ≈ 1.27% of males
Tritanopia #17181a ≈ 0.0001% of males
Protanomaly #16181f ≈ 1.08% of males
Deuteranomaly #16171f ≈ 4.63% of males
Tritanomaly #17181c ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-18171f {
  color: #18171f;
}
Background
.bg-18171f {
  background-color: #18171f;
  color: #ffffff;
}
Border
.border-18171f {
  border: 2px solid #18171f;
}
CSS variables
:root {
  --color-primary: #18171f;
  --color-primary-rgb: 24 23 31;
  --color-primary-hsl: 248 15% 11%;
}
Gradient
.gradient-18171f {
  background: linear-gradient(135deg, #18171f, #1c171f);
}
Colored shadow
.shadow-18171f {
  box-shadow: 0 8px 24px rgb(24 23 31 / 0.35);
}

#010b13 Rich Black ΔE 6.46 #1a1110 Licorice ΔE 6.77 #000000 Black ΔE 7.62 #100c08 Smoky Black ΔE 7.69 #343434 Jet ΔE 10.66 #2a3439 Gunmetal ΔE 11.42 #353839 Onyx ΔE 11.84 #e7e8e0 Inverted #181818 Grayscale 

Rich Black
#18171f  rgb(24, 23, 31)  hsl(248, 15%, 11%)  Rich Black
#1e1f17  rgb(30, 31, 23)  hsl(68, 15%, 11%)  Smoky Black
#1f1817  rgb(31, 24, 23)  hsl(8, 15%, 11%)  Licorice
#171f18  rgb(23, 31, 24)  hsl(128, 15%, 11%)  Smoky Black