Color

#171aab

#171aab
hex#171aab
rgbrgb(23, 26, 171)
hslhsl(239, 76%, 38%)
oklchoklch(0.36 0.215 268)
Closest name: Dark Galaxy (#0018a8)Relative luminance 0.0386

Colors that go with #171aab

Charcoal, Crimson and Steel 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 →

#aba817

#1763ab · #5e17ab

#ab171a · #1aab17

Split-complementary

Open in tool →

#ab5e17 · #63ab17

#ab1763 · #aba817 · #17ab5e

Contrast

#171aab as textRatioAAAA largeAAAFix
Aaon white
11.85:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #6264ea as the text (4.53:1)
  • AAA: use #8a8cef as the text (7.08:1)
  • AA: or shift the background to #a1a1a1 (4.59:1)
  • AAA: or shift the background to #c7c7c7 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #171aab 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

#171aab reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #171aab
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 #171aab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/171aab-a09cc4-df964e-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