Color

#115b83

#115b83
hex#115b83
rgbrgb(17, 91, 131)
hslhsl(201, 77%, 29%)
oklchoklch(0.449 0.094 239)
Closest name: Beyond the Sea (#005784)Relative luminance 0.0924

Colors that go with #115b83

Crimson, Royal Blue and Sienna 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 →

#833911

#118372 · #112283

#83115b · #5b8311

Split-complementary

Open in tool →

#831122 · #837211

#721183 · #833911 · #228311

Contrast

#115b83 as textRatioAAAA largeAAAFix
Aaon white
7.37:1passpasspassPasses AAA — no fix needed.
Aaon black
2.85:1failfailfail
  • AA: use #177eb5 as the text (4.69:1)
  • AAA: use #229fe2 as the text (7.13:1)
  • AA: or shift the background to #cccccc (4.59:1)
  • AAA: or shift the background to #fafafa (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #115b83 as the background.

Brands using this color

Fonts for this mood

#115b83 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #115b83
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 #115b83 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/115b83-9cb1c4-df4e62-1f222d-e9f1f0?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