Color

#045d81

#045d81
hex#045d81
rgbrgb(4, 93, 129)
hslhsl(197, 94%, 26%)
oklchoklch(0.451 0.093 234)
Closest name: Blue Velvet (#0d6183)Relative luminance 0.0944

Tints & shades

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

Harmonies

Complementary

Open in tool →

#812704

#048166 · #041f81

#81045d · #5d8104

Split-complementary

Open in tool →

#81041f · #816604

#660481 · #812704 · #1f8104

Contrast

#045d81 as textRatioAAAA largeAAAFix
Aaon white
7.27:1passpasspassPasses AAA — no fix needed.
Aaon black
2.89:1failfailfail
  • AA: use #057ead as the text (4.59:1)
  • AAA: use #07a1df as the text (7.17:1)
  • AA: or shift the background to #cccccc (4.53:1)
  • AAA: or shift the background to #fcfcfc (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #045d81 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

#045d81 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #045d81
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 #045d81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/045d81-9cb4c4-df4e6b-1f232d-e9f1ef?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