Color

#045581

#045581
hex#045581
rgbrgb(4, 85, 129)
hslhsl(201, 94%, 26%)
oklchoklch(0.43 0.099 241.5)
Closest name: Beyond the Sea (#005784)Relative luminance 0.0811

Tints & shades

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

Harmonies

Complementary

Open in tool →

#813004

#04816e · #041781

#810455 · #558104

Split-complementary

Open in tool →

#810417 · #816e04

#6e0481 · #813004 · #178104

Contrast

#045581 as textRatioAAAA largeAAAFix
Aaon white
8.01:1passpasspassPasses AAA — no fix needed.
Aaon black
2.62:1failfailfail
  • AA: use #067cbc as the text (4.62:1)
  • AAA: use #079ded as the text (7.05:1)
  • AA: or shift the background to #c4c4c4 (4.59:1)
  • AAA: or shift the background to #f0f0f0 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #045581 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#045581 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #045581
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 #045581 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/045581-9cb1c4-df4e62-1f222d-e9f1f0?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