ColorTool
Log in
#171F2C

#171f2c ≈ Rich Black

  • azure
  • Lightness: very low
  • Saturation: muted
  • Cool
Check contrast Explore in graph Random color

#171f2c is a color from the azure family, with very low lightness and muted saturation. In the RGB model it is made of 9.02% red, 12.16% green and 17.25% blue; printed in CMYK it uses 47.73% cyan, 29.55% magenta, 0% yellow and 82.75% black. Its hue angle is 217.14°, with 31.34% saturation and 13.14% lightness in HSL. It is a cool color, often associated with openness, freedom and calm. Designers typically use it for technology products, finance and banking and luxury branding. White text on this color reaches a contrast ratio of 16.55:1 (WCAG AAA). The closest named color is Rich Black (#010b13), ΔE 7.06.

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 luminance0.0134

Complementary

  1. #171f2c
  2. #2c2417

Split complementary

  1. #171f2c
  2. #2c1a17
  3. #2a2c17

Analogous

  1. #172a2c
  2. #171f2c
  3. #1a172c

Triadic

  1. #171f2c
  2. #2c171f
  3. #1f2c17

Tetradic

  1. #171f2c
  2. #24172c
  3. #2c2417
  4. #1f2c17

Square

  1. #171f2c
  2. #2c172a
  3. #2c2417
  4. #172c1a

Monochromatic

  1. #07090d
  2. #07090d
  3. #171f2c
  4. #31425e
  5. #4c6690

Shades

#171f2c mixed progressively with black.

  1. #171f2c
  2. #151c28
  3. #121923
  4. #10161f
  5. #0e131a
  6. #0c1016
  7. #090c12
  8. #07090d
  9. #050609
  10. #020304
  11. #000000

Tints

#171f2c mixed progressively with white.

  1. #171f2c
  2. #2e3541
  3. #454c56
  4. #5d626b
  5. #747980
  6. #8b8f96
  7. #a2a5ab
  8. #b9bcc0
  9. #d1d2d5
  10. #e8e9ea
  11. #ffffff

Tones

#171f2c mixed progressively with gray.

  1. #171f2c
  2. #222934
  3. #2c323d
  4. #373c45
  5. #41464e
  6. #4c5056
  7. #56595e
  8. #616367
  9. #6b6d6f
  10. #767678
  11. #808080

Readable text 16.55:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.27:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #1f1f1f ≈ 0.003% of males
Achromatomaly #1c1f25 ≈ 0.001% of males
Protanopia #1a202d ≈ 1.01% of males
Deuteranopia #181e2c ≈ 1.27% of males
Tritanopia #102223 ≈ 0.0001% of males
Protanomaly #191f2c ≈ 1.08% of males
Deuteranomaly #181e2c ≈ 4.63% of males
Tritanomaly #132127 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-171f2c {
  color: #171f2c;
}
Background
.bg-171f2c {
  background-color: #171f2c;
  color: #ffffff;
}
Border
.border-171f2c {
  border: 2px solid #171f2c;
}
CSS variables
:root {
  --color-primary: #171f2c;
  --color-primary-rgb: 23 31 44;
  --color-primary-hsl: 217 31% 13%;
}
Gradient
.gradient-171f2c {
  background: linear-gradient(135deg, #171f2c, #1a172c);
}
Colored shadow
.shadow-171f2c {
  box-shadow: 0 8px 24px rgb(23 31 44 / 0.35);
}

#010b13 Rich Black ΔE 7.06 #2a3439 Gunmetal ΔE 8.78 #002147 Oxford Blue ΔE 9.41 #003153 Prussian Blue ΔE 10.24 #343434 Jet ΔE 10.55 #000000 Black ΔE 10.68 #353839 Onyx ΔE 10.82 #e8e0d3 Inverted #1f1f1f Grayscale 

Rich Black
#171f2c  rgb(23, 31, 44)  hsl(217, 31%, 13%)  Rich Black
#2c2417  rgb(44, 36, 23)  hsl(37, 31%, 13%)  Bistre
#2c171f  rgb(44, 23, 31)  hsl(337, 31%, 13%)  Licorice
#1f2c17  rgb(31, 44, 23)  hsl(97, 31%, 13%)  Phthalo Green