Color

#2a5ccf

#2a5ccf
hex#2a5ccf
rgbrgb(42, 92, 207)
hslhsl(222, 66%, 49%)
oklchoklch(0.511 0.186 263.5)
Closest name: Denim (#1560bd)Relative luminance 0.1265

Colors that go with #2a5ccf

Charcoal, Sea Green 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 →

#cf9e2a

#2aaecf · #4b2acf

#cf2a5c · #5ccf2a

Split-complementary

Open in tool →

#cf4b2a · #aecf2a

#cf2aae · #cf9e2a · #2acf4b

Contrast

#2a5ccf as textRatioAAAA largeAAAFix
Aaon white
5.95:1passpassfail
  • AAA: use #2551b6 as the text (7.16:1)
Aaon black
3.53:1failpassfail
  • AA: use #4571d9 as the text (4.62:1)
  • AAA: use #7395e2 as the text (7.13:1)
  • AA: or shift the background to #e0e0e0 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a5ccf as the background.

Brands using this color

Fonts for this mood

#2a5ccf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a5ccf
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 #2a5ccf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a5ccf-9ca3c4-df6e4e-211f2d-e9eff1?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