Color

#171915

#171915
hex#171915
rgbrgb(23, 25, 21)
hslhsl(90, 9%, 9%)
oklchoklch(0.21 0.008 128.9)
Closest name: Coco’s Black (#1c1c1a)Relative luminance 0.0093

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#171519

#191915 · #151915

#151719 · #191517

Split-complementary

Open in tool →

#151519 · #191519

#151919 · #171519 · #191515

Contrast

#171915 as textRatioAAAA largeAAAFix
Aaon white
17.7:1passpasspassPasses AAA — no fix needed.
Aaon black
1.19:1failfailfail
  • AA: use #6e7864 as the text (4.53:1)
  • AAA: use #8f9985 as the text (7.06:1)
  • AA: or shift the background to #828282 (4.61:1)
  • AAA: or shift the background to #a3a3a3 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #171915 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#171915 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #171915
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #171915 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/171915-adbea2-514edf-202d1f-f1f1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md