Color

#17028d

#17028d
hex#17028d
rgbrgb(23, 2, 141)
hslhsl(249, 97%, 28%)
oklchoklch(0.301 0.195 270.5)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0215

Colors that go with #17028d

Steel Blue, Charcoal 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 →

#788d02

#02338d · #5c028d

#8d1702 · #028d17

Split-complementary

Open in tool →

#8d5c02 · #338d02

#8d0233 · #788d02 · #028d5c

Contrast

#17028d as textRatioAAAA largeAAAFix
Aaon white
14.69:1passpasspassPasses AAA — no fix needed.
Aaon black
1.43:1failfailfail
  • AA: use #7259fc as the text (4.55:1)
  • AAA: use #9886fd as the text (7.16:1)
  • AA: or shift the background to #8f8f8f (4.54:1)
  • AAA: or shift the background to #b3b3b3 (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 #17028d as the background.

Brands using this color

Fonts for this mood

#17028d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #17028d
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 #17028d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/17028d-a79cc4-dfae4e-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