Color

#170353

#170353
hex#170353
rgbrgb(23, 3, 83)
hslhsl(255, 93%, 17%)
oklchoklch(0.222 0.128 280.6)
Closest name: Ravenclaw (#0a0555)Relative luminance 0.0087

Colors that go with #170353

Charcoal, Denim and Sea Green 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 →

#405403

#031754 · #400354

#541703 · #035417

Split-complementary

Open in tool →

#544003 · #175403

#540317 · #405403 · #035440

Contrast

#170353 as textRatioAAAA largeAAAFix
Aaon white
17.88:1passpasspassPasses AAA — no fix needed.
Aaon black
1.17:1failfailfail
  • AA: use #8058f9 as the text (4.68:1)
  • AAA: use #a284fb as the text (7.23:1)
  • 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 #170353 as the background.

Brands using this color

Fonts for this mood

#170353 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #170353
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 #170353 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/170353-ab9cc4-dfbd4e-291f2d-e9ebf1?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