Color

#2a5adf

#2a5adf
hex#2a5adf
rgbrgb(42, 90, 223)
hslhsl(224, 74%, 52%)
oklchoklch(0.52 0.209 264.7)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1313

Colors that go with #2a5adf

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 →

#dfaf2a

#2ab5df · #542adf

#df2a5a · #5adf2a

Split-complementary

Open in tool →

#df542a · #b5df2a

#df2ab5 · #dfaf2a · #2adf54

Contrast

#2a5adf as textRatioAAAA largeAAAFix
Aaon white
5.79:1passpassfail
  • AAA: use #1e4dcc as the text (7.03:1)
Aaon black
3.63:1failpassfail
  • AA: use #456fe3 as the text (4.64:1)
  • AAA: use #7595ea as the text (7.24:1)
  • AA: or shift the background to #e3e3e3 (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 #2a5adf as the background.

Brands using this color

Fonts for this mood

#2a5adf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a5adf
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 #2a5adf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a5adf-9ca2c4-df724e-221f2d-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