Color

#00405c

#00405c
hex#00405c
rgbrgb(0, 64, 92)
hslhsl(198, 100%, 18%)
oklchoklch(0.351 0.075 235.4)
Closest name: Maniac Mansion (#004058)Relative luminance 0.0444

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5c1c00

#005c49 · #00125c

#5c0040 · #405c00

Split-complementary

Open in tool →

#5c0012 · #5c4900

#49005c · #5c1c00 · #125c00

Contrast

#00405c as textRatioAAAA largeAAAFix
Aaon white
11.12:1passpasspassPasses AAA — no fix needed.
Aaon black
1.89:1failfailfail
  • AA: use #007db3 as the text (4.58:1)
  • AAA: use #00a1e6 as the text (7.24:1)
  • AA: or shift the background to #a6a6a6 (4.57:1)
  • AAA: or shift the background to #cfcfcf (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #00405c 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

#00405c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #00405c
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 #00405c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/00405c-9cb3c4-df4e69-1f232d-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