Color

#045dec

#045dec
hex#045dec
rgbrgb(4, 93, 236)
hslhsl(217, 97%, 47%)
oklchoklch(0.53 0.228 261.1)
Closest name: Blue Ribbon (#0066ff)Relative luminance 0.1391

Colors that go with #045dec

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 →

#ec9304

#04d1ec · #1f04ec

#ec045d · #5dec04

Split-complementary

Open in tool →

#ec1f04 · #d1ec04

#ec04d1 · #ec9304 · #04ec1f

Contrast

#045dec as textRatioAAAA largeAAAFix
Aaon white
5.55:1passpassfail
  • AAA: use #034fc9 as the text (7.08:1)
Aaon black
3.78:1failpassfail
  • AA: use #136cfb as the text (4.57:1)
  • AAA: use #5495fc as the text (7.08:1)
  • AA: or shift the background to #e8e8e8 (4.53:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/045dec-9ca7c4-df624e-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