Color

#063f5b

#063f5b
hex#063f5b
rgbrgb(6, 63, 91)
hslhsl(200, 88%, 19%)
oklchoklch(0.349 0.073 237.1)
Closest name: Maniac Mansion (#004058)Relative luminance 0.0435

Colors that go with #063f5b

Crimson, Royal Blue and Teal lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5b2206

#065b4d · #06145b

#5b063f · #3f5b06

Split-complementary

Open in tool →

#5b0614 · #5b4d06

#4d065b · #5b2206 · #145b06

Contrast

#063f5b as textRatioAAAA largeAAAFix
Aaon white
11.23:1passpasspassPasses AAA — no fix needed.
Aaon black
1.87:1failfailfail
  • AA: use #0c7db6 as the text (4.62:1)
  • AAA: use #0f9ee6 as the text (7.05:1)
  • AA: or shift the background to #a6a6a6 (4.61:1)
  • AAA: or shift the background to #cfcfcf (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #063f5b 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

#063f5b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #063f5b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #063f5b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/063f5b-9cb2c4-df4e64-1f232d-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