Color

#17059e

#17059e
hex#17059e
rgbrgb(23, 5, 158)
hslhsl(247, 94%, 32%)
oklchoklch(0.327 0.212 269.1)
Closest name: Everlasting Night (#000099)Relative luminance 0.0276

Colors that go with #17059e

Crimson, 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 →

#8c9e05

#05409e · #63059e

#9e1705 · #059e17

Split-complementary

Open in tool →

#9e6305 · #409e05

#9e0540 · #8c9e05 · #059e63

Contrast

#17059e as textRatioAAAA largeAAAFix
Aaon white
13.53:1passpasspassPasses AAA — no fix needed.
Aaon black
1.55:1failfailfail
  • AA: use #6e5cfa as the text (4.57:1)
  • AAA: use #9688fb as the text (7.21:1)
  • AA: or shift the background to #969696 (4.57:1)
  • AAA: or shift the background to #bdbdbd (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #17059e as the background.

Brands using this color

Fonts for this mood

#17059e reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #17059e
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 #17059e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/17059e-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