Color

#2c81af

#2c81af
hex#2c81af
rgbrgb(44, 129, 175)
hslhsl(201, 60%, 43%)
oklchoklch(0.574 0.106 236.9)
Closest name: steelblue (#4682b4)Relative luminance 0.1933

Colors that go with #2c81af

Charcoal, Crimson 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 →

#af5a2c

#2caf9c · #2c40af

#af2c81 · #81af2c

Split-complementary

Open in tool →

#af2c40 · #af9c2c

#9c2caf · #af5a2c · #40af2c

Contrast

#2c81af as textRatioAAAA largeAAAFix
Aaon white
4.32:1failpassfail
  • AA: use #2a7ba7 as the text (4.68:1)
  • AAA: use #205d7e as the text (7.17:1)
  • AA: or shift the background to #0d0d0d (4.5:1)
Aaon black
4.87:1passpassfail
  • AAA: use #439fd0 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2c81af as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2c81af reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c81af
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 #2c81af and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c81af-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