Color

#03635e

#03635e
hex#03635e
rgbrgb(3, 99, 94)
hslhsl(177, 94%, 20%)
oklchoklch(0.451 0.077 188.7)
Closest name: Mosque (#005f5b)Relative luminance 0.0975

Colors that go with #03635e

Crimson, Blue and Cadet Blue 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.

Real palettes that use #03635e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#630308

#03632e · #033863

#5e0363 · #635e03

Split-complementary

Open in tool →

#630338 · #632e03

#2e0363 · #630308 · #386303

Contrast

#03635e as textRatioAAAA largeAAAFix
Aaon white
7.12:1passpasspassPasses AAA — no fix needed.
Aaon black
2.95:1failfailfail
  • AA: use #04867f as the text (4.72:1)
  • AAA: use #05a8a0 as the text (7.12:1)
  • AA: or shift the background to #cfcfcf (4.57:1)
  • AAA: or shift the background to #ffffff (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 #03635e as the background.

Brands using this color

Fonts for this mood

#03635e reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03635e
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 #03635e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03635e-a2bcbe-d4599b-1f282d-e9f1ed?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