Color

#0f91ae

#0f91ae
hex#0f91ae
rgbrgb(15, 145, 174)
hslhsl(191, 84%, 37%)
oklchoklch(0.608 0.107 219.1)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2341

Colors that go with #0f91ae

Charcoal, Copper and Crimson 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 →

#ae2c0f

#0fae7b · #0f41ae

#ae0f91 · #91ae0f

Split-complementary

Open in tool →

#ae0f41 · #ae7b0f

#7b0fae · #ae2c0f · #41ae0f

Contrast

#0f91ae as textRatioAAAA largeAAAFix
Aaon white
3.7:1failpassfail
  • AA: use #0d819b as the text (4.54:1)
  • AAA: use #0a5e71 as the text (7.36:1)
  • AA: or shift the background to #1c1c1c (4.61:1)
Aaon black
5.68:1passpassfail
  • AAA: use #11a4c5 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f91ae as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#0f91ae reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f91ae
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 #0f91ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f91ae-a2b6be-df4e7a-1f252d-e9f1ef?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