Color

#045ca9

#045ca9
hex#045ca9
rgbrgb(4, 92, 169)
hslhsl(208, 95%, 34%)
oklchoklch(0.474 0.143 252.8)
Closest name: Blue Chip (#1d5699)Relative luminance 0.1054

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#a95104

#04a9a4 · #040aa9

#a9045c · #5ca904

Split-complementary

Open in tool →

#a9040a · #a9a404

#a404a9 · #a95104 · #0aa904

Contrast

#045ca9 as textRatioAAAA largeAAAFix
Aaon white
6.75:1passpassfail
  • AAA: use #0459a4 as the text (7.07:1)
Aaon black
3.11:1failpassfail
  • AA: use #0575d6 as the text (4.52:1)
  • AAA: use #2e9bfa as the text (7.19:1)
  • AA: or shift the background to #d4d4d4 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #045ca9 as the background.

Brands using this color

Fonts for this mood

#045ca9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #045ca9
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #045ca9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/045ca9-9cadc4-df4e51-1f212d-e9f1f1?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