Color

#170d68

#170d68
hex#170d68
rgbrgb(23, 13, 104)
hslhsl(247, 78%, 23%)
oklchoklch(0.261 0.145 274.5)
Closest name: Dying Storm Blue (#111166)Relative luminance 0.0147

Colors that go with #170d68

Charcoal, Steel Blue and Cadet Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5e680d

#0d3068 · #450d68

#68180d · #0d6818

Split-complementary

Open in tool →

#68450d · #30680d

#680d30 · #5e680d · #0d6845

Contrast

#170d68 as textRatioAAAA largeAAAFix
Aaon white
16.23:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #7060eb as the text (4.56:1)
  • AAA: use #9589f0 as the text (7.11:1)
  • AA: or shift the background to #878787 (4.52:1)
  • AAA: or shift the background to #ababab (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #170d68 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

#170d68 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #170d68
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #170d68 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/170d68-a59cc4-dfaa4e-271f2d-e9ecf1?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