Color

#03545e

#03545e
hex#03545e
rgbrgb(3, 84, 94)
hslhsl(187, 94%, 19%)
oklchoklch(0.409 0.069 208.8)
Closest name: Abyssal Waters (#005765)Relative luminance 0.0717

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5e0e03

#035e3b · #03265e

#5e0353 · #535e03

Split-complementary

Open in tool →

#5e0326 · #5e3b03

#3b035e · #5e0e03 · #265e03

Contrast

#03545e as textRatioAAAA largeAAAFix
Aaon white
8.63:1passpasspassPasses AAA — no fix needed.
Aaon black
2.43:1failfailfail
  • AA: use #058494 as the text (4.73:1)
  • AAA: use #06a7bc as the text (7.26:1)
  • AA: or shift the background to #bdbdbd (4.59:1)
  • AAA: or shift the background to #e8e8e8 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03545e 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

#03545e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03545e
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 #03545e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03545e-a2b8be-df4e83-1f262d-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