Color

#03565e

#03565e
hex#03565e
rgbrgb(3, 86, 94)
hslhsl(185, 94%, 19%)
oklchoklch(0.414 0.07 205.9)
Closest name: Abyssal Waters (#005765)Relative luminance 0.0748

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5e0a03

#035e38 · #03295e

#5e0356 · #565e03

Split-complementary

Open in tool →

#5e0329 · #5e3803

#38035e · #5e0a03 · #295e03

Contrast

#03565e as textRatioAAAA largeAAAFix
Aaon white
8.41:1passpasspassPasses AAA — no fix needed.
Aaon black
2.5:1failfailfail
  • AA: use #04848f as the text (4.7:1)
  • AAA: use #06a8b7 as the text (7.29:1)
  • AA: or shift the background to #bfbfbf (4.57:1)
  • AAA: or shift the background to #ebebeb (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03565e 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

#03565e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03565e
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 #03565e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03565e-a2b8be-df4e88-1f262d-e9f1ee?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