Color

#2b59da

#2b59da
hex#2b59da
rgbrgb(43, 89, 218)
hslhsl(224, 70%, 51%)
oklchoklch(0.515 0.204 264.9)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1272

Colors that go with #2b59da

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 →

#daab2b

#2bb1da · #532bda

#da2b59 · #59da2b

Split-complementary

Open in tool →

#da532b · #b1da2b

#da2bb1 · #daab2b · #2bda53

Contrast

#2b59da as textRatioAAAA largeAAAFix
Aaon white
5.93:1passpassfail
  • AAA: use #224dc3 as the text (7.2:1)
Aaon black
3.54:1failpassfail
  • AA: use #456ede as the text (4.54:1)
  • AAA: use #7493e7 as the text (7.07:1)
  • AA: or shift the background to #e3e3e3 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b59da as the background.

Brands using this color

Fonts for this mood

#2b59da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b59da
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 #2b59da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b59da-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