Color

#171736

#171736
hex#171736
rgbrgb(23, 23, 54)
hslhsl(240, 40%, 15%)
oklchoklch(0.224 0.059 280.5)
Closest name: Dark Knight (#151931)Relative luminance 0.0106

Tints & shades

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

Harmonies

Complementary

Open in tool →

#363617

#172636 · #261736

#361717 · #173617

Split-complementary

Open in tool →

#362617 · #263617

#361726 · #363617 · #173626

Contrast

#171736 as textRatioAAAA largeAAAFix
Aaon white
17.32:1passpasspassPasses AAA — no fix needed.
Aaon black
1.21:1failfailfail
  • AA: use #6d6dc0 as the text (4.6:1)
  • AAA: use #9090d0 as the text (7.09:1)
  • AA: or shift the background to #828282 (4.51:1)
  • AAA: or shift the background to #a6a6a6 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #171736 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#171736 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #171736
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 #171736 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/171736-a19cc4-df994e-251f2d-e9edf1?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