Color

#17233b

#17233b
hex#17233b
rgbrgb(23, 35, 59)
hslhsl(220, 44%, 16%)
oklchoklch(0.258 0.049 263.2)
Closest name: Eclipse Elixir (#1f2133)Relative luminance 0.017

Colors that go with #17233b

Charcoal, Dark Olive Green 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 →

#3b2f17

#17353b · #1d173b

#3b1723 · #233b17

Split-complementary

Open in tool →

#3b1d17 · #353b17

#3b1735 · #3b2f17 · #173b1d

Contrast

#17233b as textRatioAAAA largeAAAFix
Aaon white
15.67:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #5276bc as the text (4.68:1)
  • AAA: use #7b96cc as the text (7.08:1)
  • AA: or shift the background to #8a8a8a (4.54:1)
  • AAA: or shift the background to #b0b0b0 (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #17233b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#17233b reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #17233b
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 #17233b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/17233b-9ca5c4-df694e-211f2d-e9f0f1?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