Cool Gray 10 is a very dark, muted shade in the black color family, with a cool feel. Its HEX code is #17191C, which equals rgb(23, 25, 28) in RGB and hsl(216, 10%, 10%) in HSL. In print terms it converts to roughly C18 M11 Y0 K89, although exact CMYK results depend on the paper and color profile.
- HEX
#17191C - RGB
23, 25, 28 - HSL
216°, 10%, 10% - CMYK
18, 11, 0, 89 - Family
Black - Tone
Very dark, muted
About Cool Gray 10
Black and near-black shades give depth, contrast and a sense of sophistication. Dark neutrals are the foundation of dark modes, text colors and high-end branding. Designers often reach for it as an accent, a button color or a background tint. Text in white is the most readable choice on this color, with a contrast ratio of 17.61:1. Its complementary color is #1C1A17.
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Cool Gray 10 color codes
| HEX | #17191C |
|---|---|
| RGB | rgb(23, 25, 28) |
| HSL | hsl(216, 10%, 10%) |
| HSV | 216°, 18%, 11% |
| CMYK | 18%, 11%, 0%, 89% |
| Decimal | 1513756 |
Shades and tints of Cool Gray 10
Lighter tints are mixed with white and darker shades are mixed with black.
- 50
#D8D9D9 - 100
#B2B2B3 - 200
#8B8C8E - 300
#646668 - 400
#3E3F42 - 500
#17191C - 600
#131517 - 700
#0F1113 - 800
#0C0D0E - 900
#080809 - 950
#040405
Color harmonies for Cool Gray 10
- Complementary
#1C1A17≈ Neutral Gray 10 - Analogous −30°
#171C1C≈ Cool Gray 10 - Analogous +30°
#17171C≈ Cool Gray 10 - Triadic +120°
#1C1719≈ Neutral Gray 10 - Triadic +240°
#191C17≈ Warm Gray 10 - Split 150°
#1C1717≈ Warm Gray 10 - Split 210°
#1C1C17≈ Warm Gray 10
Contrast and accessibility of Cool Gray 10
| Text color | Sample | Contrast ratio | WCAG |
|---|---|---|---|
| White text on Cool Gray 10 | Aa | 17.61:1 | AAA (excellent) |
| Black text on Cool Gray 10 | Aa | 1.19:1 | Fails |
CSS code for Cool Gray 10
background-color: #17191C;color: #17191C;background-color: rgb(23, 25, 28);background-color: hsl(216, 10%, 10%);:root { --color-cool-gray-10: #17191C; }class="bg-[#17191C]"Colors similar to Cool Gray 10
- Neutral Gray 10
#1A1A1A - Darkest Dusty Cerulean
#14191F - Darkest Dusty Cornflower
#14181F - Darkest Dusty Azure
#141B1F - Darkest Dusty Sapphire
#14171F - Darkest Dusty Capri
#141C1F - Darkest Dusty Cobalt
#14161F - Darkest Dusty Peacock
#141D1F - Darkest Dusty Royal
#14151F - Darkest Dusty Iris
#17141F - Darkest Dusty Periwinkle
#18141F - Darkest Dusty Indigo
#16141F
More black shades
- Jet Black
#0A0A0A - Neutral Gray 5
#0D0D0D - Neutral Gray 10
#1A1A1A - Warm Gray 5
#0E0D0C - Warm Gray 10
#1C1A17 - Cool Gray 5
#0C0D0E - Darkest Dusty Red
#1F1414 - Darkest Dusty Scarlet
#1F1514 - Darkest Dusty Vermilion
#1F1614 - Darkest Dusty Cinnabar
#1F1714 - Darkest Dusty Persimmon
#1F1814
Frequently asked questions
What is the HEX code for Cool Gray 10?
The HEX code for Cool Gray 10 is #17191C.
What is the RGB value of Cool Gray 10?
Cool Gray 10 has an RGB value of 23, 25, 28 (rgb(23, 25, 28)). In HSL it is 216°, 10%, 10%.
What text color should I use on Cool Gray 10?
Use white text on Cool Gray 10. White text has a contrast ratio of 17.61:1 and black text has 1.19:1; WCAG AA requires at least 4.5:1 for normal text.
What color goes well with Cool Gray 10?
The complementary color of Cool Gray 10 is #1C1A17. Analogous colors #171C1C and #17171C also pair well.