Color

#03685f

#03685f
hex#03685f
rgbrgb(3, 104, 95)
hslhsl(175, 94%, 21%)
oklchoklch(0.465 0.081 184.5)
Closest name: Aqua Obscura (#05696b)Relative luminance 0.1075

Colors that go with #03685f

Charcoal, 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 #03685f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#68030c

#03682d · #033e68

#5f0368 · #685f03

Split-complementary

Open in tool →

#68033e · #682d03

#2d0368 · #68030c · #3e6803

Contrast

#03685f as textRatioAAAA largeAAAFix
Aaon white
6.67:1passpassfail
  • AAA: use #03635b as the text (7.14:1)
Aaon black
3.15:1failpassfail
  • AA: use #04867b as the text (4.7:1)
  • AAA: use #05a89b as the text (7.08:1)
  • AA: or shift the background to #d6d6d6 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03685f 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

#03685f reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03685f
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 #03685f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03685f-a2bdbe-d4599f-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