Color

#045df6

#045df6
hex#045df6
rgbrgb(4, 93, 246)
hslhsl(218, 97%, 49%)
oklchoklch(0.539 0.24 261.7)
Closest name: Blue Ribbon (#0066ff)Relative luminance 0.1451

Colors that go with #045df6

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 →

#f69d04

#04d6f6 · #2404f6

#f6045d · #5df604

Split-complementary

Open in tool →

#f62404 · #d6f604

#f604d6 · #f69d04 · #04f624

Contrast

#045df6 as textRatioAAAA largeAAAFix
Aaon white
5.38:1passpassfail
  • AAA: use #034ece as the text (7.04:1)
Aaon black
3.9:1failpassfail
  • AA: use #186bfb as the text (4.53:1)
  • AAA: use #5995fc as the text (7.13:1)
  • AA: or shift the background to #ebebeb (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #045df6 as the background.

Brands using this color

Fonts for this mood

#045df6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #045df6
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 #045df6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/045df6-9ca6c4-df644e-201f2d-e9f0f1?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