Color

#170c45

#170c45
hex#170c45
rgbrgb(23, 12, 69)
hslhsl(252, 70%, 16%)
oklchoklch(0.217 0.1 283.1)
Closest name: Deadly Depths (#111144)Relative luminance 0.0087

Colors that go with #170c45

Charcoal, Sea Green and Sienna 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 →

#3a450c

#0c1d45 · #340c45

#45180c · #0c4518

Split-complementary

Open in tool →

#45340c · #1d450c

#450c1d · #3a450c · #0c4534

Contrast

#170c45 as textRatioAAAA largeAAAFix
Aaon white
17.87:1passpasspassPasses AAA — no fix needed.
Aaon black
1.17:1failfailfail
  • AA: use #795fe3 as the text (4.56:1)
  • AAA: use #9d8aea as the text (7.26:1)
  • AA: or shift the background to #808080 (4.53:1)
  • AAA: or shift the background to #a3a3a3 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #170c45 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

#170c45 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #170c45
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 #170c45 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/170c45-a99cc4-dfb64e-281f2d-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