Color

#0f8dcc

#0f8dcc
hex#0f8dcc
rgbrgb(15, 141, 204)
hslhsl(200, 86%, 43%)
oklchoklch(0.613 0.136 239.4)
Closest name: steelblue (#4682b4)Relative luminance 0.2351

Colors that go with #0f8dcc

Charcoal, Red and Royal 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 →

#cc4e0f

#0fccad · #0f2fcc

#cc0f8d · #8dcc0f

Split-complementary

Open in tool →

#cc0f2f · #ccad0f

#ad0fcc · #cc4e0f · #2fcc0f

Contrast

#0f8dcc as textRatioAAAA largeAAAFix
Aaon white
3.68:1failpassfail
  • AA: use #0e7db4 as the text (4.55:1)
  • AAA: use #0a5c85 as the text (7.29:1)
  • AA: or shift the background to #1c1c1c (4.63:1)
Aaon black
5.7:1passpassfail
  • AAA: use #11a1e8 as the text (7.29:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f8dcc as the background.

Brands using this color

Fonts for this mood

#0f8dcc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f8dcc
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 #0f8dcc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f8dcc-9cb2c4-df4e64-1f232d-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