ColorTool
Log in
#171E1F

#171e1f ≈ Rich Black

  • gray
  • Lightness: very low
  • Saturation: muted
  • Neutral
Check contrast Explore in graph Random color

#171e1f is a color from the gray family, with very low lightness and muted saturation. In the RGB model it is made of 9.02% red, 11.76% green and 12.16% blue; printed in CMYK it uses 25.81% cyan, 3.23% magenta, 0% yellow and 87.84% black. Its hue angle is 187.5°, 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 16.91:1 (WCAG AAA). The closest named color is Rich Black (#010b13), ΔE 6.06.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#003333
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0121

Complementary

  1. #171e1f
  2. #1f1817

Split complementary

  1. #171e1f
  2. #1f171a
  3. #1f1c17

Analogous

  1. #171f1c
  2. #171e1f
  3. #171a1f

Triadic

  1. #171e1f
  2. #1f171e
  3. #1e1f17

Tetradic

  1. #171e1f
  2. #18171f
  3. #1f1817
  4. #1e1f17

Square

  1. #171e1f
  2. #1c171f
  3. #1f1817
  4. #1a1f17

Monochromatic

  1. #090b0c
  2. #090b0c
  3. #171e1f
  4. #38494b
  5. #587377

Shades

#171e1f mixed progressively with black.

  1. #171e1f
  2. #151b1c
  3. #121819
  4. #101516
  5. #0e1213
  6. #0c0f10
  7. #090c0c
  8. #070909
  9. #050606
  10. #020303
  11. #000000

Tints

#171e1f mixed progressively with white.

  1. #171e1f
  2. #2e3535
  3. #454b4c
  4. #5d6262
  5. #747879
  6. #8b8f8f
  7. #a2a5a5
  8. #b9bcbc
  9. #d1d2d2
  10. #e8e9e9
  11. #ffffff

Tones

#171e1f mixed progressively with gray.

  1. #171e1f
  2. #222829
  3. #2c3232
  4. #373b3c
  5. #414546
  6. #4c4f50
  7. #565959
  8. #616363
  9. #6b6c6d
  10. #767676
  11. #808080

Readable text 16.91:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.24:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #1d1d1d ≈ 0.003% of males
Achromatomaly #1b1d1e ≈ 0.001% of males
Protanopia #1d1d1f ≈ 1.01% of males
Deuteranopia #1b1c1f ≈ 1.27% of males
Tritanopia #151f1e ≈ 0.0001% of males
Protanomaly #1b1e1f ≈ 1.08% of males
Deuteranomaly #1a1d1f ≈ 4.63% of males
Tritanomaly #161e1f ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-171e1f {
  color: #171e1f;
}
Background
.bg-171e1f {
  background-color: #171e1f;
  color: #ffffff;
}
Border
.border-171e1f {
  border: 2px solid #171e1f;
}
CSS variables
:root {
  --color-primary: #171e1f;
  --color-primary-rgb: 23 30 31;
  --color-primary-hsl: 188 15% 11%;
}
Gradient
.gradient-171e1f {
  background: linear-gradient(135deg, #171e1f, #171a1f);
}
Colored shadow
.shadow-171e1f {
  box-shadow: 0 8px 24px rgb(23 30 31 / 0.35);
}

#010b13 Rich Black ΔE 6.06 #2a3439 Gunmetal ΔE 7.29 #100c08 Smoky Black ΔE 7.50 #000000 Black ΔE 7.65 #343434 Jet ΔE 8.50 #353839 Onyx ΔE 8.84 #1a1110 Licorice ΔE 10.86 #e8e1e0 Inverted #1d1d1d Grayscale 

Rich Black
#171e1f  rgb(23, 30, 31)  hsl(188, 15%, 11%)  Rich Black
#1f1817  rgb(31, 24, 23)  hsl(8, 15%, 11%)  Licorice
#1f171e  rgb(31, 23, 30)  hsl(308, 15%, 11%)  Licorice
#1e1f17  rgb(30, 31, 23)  hsl(68, 15%, 11%)  Smoky Black