Color

#03556d

#03556d
hex#03556d
rgbrgb(3, 85, 109)
hslhsl(194, 95%, 22%)
oklchoklch(0.419 0.079 225.5)
Closest name: Abyssal Waters (#005765)Relative luminance 0.0762

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6d1c03

#036d51 · #031f6d

#6d0355 · #556d03

Split-complementary

Open in tool →

#6d031f · #6d5103

#51036d · #6d1c03 · #1f6d03

Contrast

#03556d as textRatioAAAA largeAAAFix
Aaon white
8.32:1passpasspassPasses AAA — no fix needed.
Aaon black
2.52:1failfailfail
  • AA: use #047fa4 as the text (4.58:1)
  • AAA: use #05a1d1 as the text (7.03:1)
  • AA: or shift the background to #bfbfbf (4.52:1)
  • AAA: or shift the background to #ededed (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03556d 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

#03556d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03556d
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 #03556d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03556d-9cb6c4-df4e72-1f242d-e9f1ef?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