Color

#170a75

#170a75
hex#170a75
rgbrgb(23, 10, 117)
hslhsl(247, 84%, 25%)
oklchoklch(0.275 0.163 272.8)
Closest name: Child of the Night (#220077)Relative luminance 0.0168

Colors that go with #170a75

Charcoal, Steel Blue and Cobalt 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 →

#69750a

#0a3375 · #4c0a75

#75170a · #0a7517

Split-complementary

Open in tool →

#754c0a · #33750a

#750a33 · #69750a · #0a754c

Contrast

#170a75 as textRatioAAAA largeAAAFix
Aaon white
15.71:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #705ff1 as the text (4.6:1)
  • AAA: use #968af5 as the text (7.25:1)
  • AA: or shift the background to #8a8a8a (4.55:1)
  • AAA: or shift the background to #adadad (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #170a75 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

#170a75 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #170a75
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 #170a75 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/170a75-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