Color

#2f5df4

#2f5df4
hex#2f5df4
rgbrgb(47, 93, 244)
hslhsl(226, 90%, 57%)
oklchoklch(0.546 0.231 265.7)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1496

Colors that go with #2f5df4

Charcoal, Crimson 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 →

#f4c62f

#2fbff4 · #632ff4

#f42f5d · #5df42f

Split-complementary

Open in tool →

#f4632f · #bff42f

#f42fbf · #f4c62f · #2ff463

Contrast

#2f5df4 as textRatioAAAA largeAAAFix
Aaon white
5.26:1passpassfail
  • AAA: use #0c41ed as the text (7.01:1)
Aaon black
3.99:1failpassfail
  • AA: use #426cf5 as the text (4.7:1)
  • AAA: use #7292f8 as the text (7.18:1)
  • AA: or shift the background to #f0f0f0 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f5df4 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2f5df4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f5df4
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 #2f5df4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f5df4-9ca1c4-df774e-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