Color

#054df5

#054df5
hex#054df5
rgbrgb(5, 77, 245)
hslhsl(222, 96%, 49%)
oklchoklch(0.511 0.256 263.2)
Closest name: C64 Blue (#003aff)Relative luminance 0.1193

Colors that go with #054df5

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 →

#f5ad05

#05c5f5 · #3505f5

#f5054d · #4df505

Split-complementary

Open in tool →

#f53505 · #c5f505

#f505c5 · #f5ad05 · #05f535

Contrast

#054df5 as textRatioAAAA largeAAAFix
Aaon white
6.2:1passpassfail
  • AAA: use #0547e1 as the text (7.01:1)
Aaon black
3.39:1failpassfail
  • AA: use #2d6bfb as the text (4.61:1)
  • AAA: use #6492fc as the text (7.06:1)
  • AA: or shift the background to #dedede (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 #054df5 as the background.

Brands using this color

Fonts for this mood

#054df5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #054df5
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 #054df5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/054df5-9ca3c4-df6e4e-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