Color

#2f5dd0

#2f5dd0
hex#2f5dd0
rgbrgb(47, 93, 208)
hslhsl(223, 63%, 50%)
oklchoklch(0.516 0.185 264.3)
Closest name: God of Rain (#4466cc)Relative luminance 0.1299

Colors that go with #2f5dd0

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 →

#d0a22f

#2fadd0 · #522fd0

#d02f5d · #5dd02f

Split-complementary

Open in tool →

#d0522f · #add02f

#d02fad · #d0a22f · #2fd052

Contrast

#2f5dd0 as textRatioAAAA largeAAAFix
Aaon white
5.84:1passpassfail
  • AAA: use #2a52b7 as the text (7.03:1)
Aaon black
3.6:1failpassfail
  • AA: use #4870d5 as the text (4.55:1)
  • AAA: use #7694e0 as the text (7.08:1)
  • AA: or shift the background to #e3e3e3 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f5dd0 as the background.

Brands using this color

Fonts for this mood

#2f5dd0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f5dd0
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 #2f5dd0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f5dd0-9ca3c4-df704e-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