Color

#17868c

#17868c
hex#17868c
rgbrgb(23, 134, 140)
hslhsl(183, 72%, 32%)
oklchoklch(0.566 0.091 200.7)
Closest name: darkcyan (#008b8b)Relative luminance 0.1913

Colors that go with #17868c

Charcoal, Crimson and Amber 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 →

#8c1d17

#178c57 · #174c8c

#8c1786 · #868c17

Split-complementary

Open in tool →

#8c174c · #8c5717

#57178c · #8c1d17 · #4c8c17

Contrast

#17868c as textRatioAAAA largeAAAFix
Aaon white
4.35:1failpassfail
  • AA: use #168288 as the text (4.58:1)
  • AAA: use #106165 as the text (7.19:1)
  • AA: or shift the background to #0a0a0a (4.55:1)
Aaon black
4.83:1passpassfail
  • AAA: use #1da8af as the text (7.27:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #17868c as the background.

Brands using this color

Fonts for this mood

#17868c reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #17868c
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 #17868c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/17868c-a2b9be-d4598e-1f262d-e9f1ee?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