Color

#170d63

#170d63
hex#170d63
rgbrgb(23, 13, 99)
hslhsl(247, 77%, 22%)
oklchoklch(0.254 0.139 275.3)
Closest name: Dying Storm Blue (#111166)Relative luminance 0.0137

Colors that go with #170d63

Charcoal, Steel Blue and 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 →

#59630d

#0d2e63 · #420d63

#63170d · #0d6317

Split-complementary

Open in tool →

#63420d · #2e630d

#630d2e · #59630d · #0d6342

Contrast

#170d63 as textRatioAAAA largeAAAFix
Aaon white
16.48:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #7161ea as the text (4.6:1)
  • AAA: use #968af0 as the text (7.19:1)
  • AA: or shift the background to #878787 (4.59:1)
  • AAA: or shift the background to #ababab (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #170d63 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

#170d63 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #170d63
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 #170d63 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/170d63-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