Color

#05405c

#05405c
hex#05405c
rgbrgb(5, 64, 92)
hslhsl(199, 90%, 19%)
oklchoklch(0.352 0.073 236.5)
Closest name: Maniac Mansion (#004058)Relative luminance 0.0447

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5c2005

#055c4c · #05155c

#5c0540 · #405c05

Split-complementary

Open in tool →

#5c0515 · #5c4c05

#4c055c · #5c2005 · #155c05

Contrast

#05405c as textRatioAAAA largeAAAFix
Aaon white
11.09:1passpasspassPasses AAA — no fix needed.
Aaon black
1.89:1failfailfail
  • AA: use #097db3 as the text (4.6:1)
  • AAA: use #0c9fe4 as the text (7.1:1)
  • AA: or shift the background to #a6a6a6 (4.55:1)
  • AAA: or shift the background to #cfcfcf (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #05405c 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

#05405c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #05405c
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 #05405c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/05405c-9cb3c4-df4e66-1f232d-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