Color

#2a88df

#2a88df
hex#2a88df
rgbrgb(42, 136, 223)
hslhsl(209, 74%, 52%)
oklchoklch(0.617 0.157 250.8)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2343

Colors that go with #2a88df

Charcoal, Crimson and Copper 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 →

#df822a

#2adfdc · #2a2ddf

#df2a88 · #88df2a

Split-complementary

Open in tool →

#df2a2d · #dfdc2a

#dc2adf · #df822a · #2ddf2a

Contrast

#2a88df as textRatioAAAA largeAAAFix
Aaon white
3.69:1failpassfail
  • AA: use #1e78cc as the text (4.55:1)
  • AAA: use #175997 as the text (7.21:1)
  • AA: or shift the background to #1c1c1c (4.61:1)
Aaon black
5.69:1passpassfail
  • AAA: use #4e9ce4 as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a88df as the background.

Brands using this color

Fonts for this mood

#2a88df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a88df
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 #2a88df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a88df-9cacc4-df4e4e-1f212d-e9f1f1?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