Color

#03436d

#03436d
hex#03436d
rgbrgb(3, 67, 109)
hslhsl(204, 95%, 22%)
oklchoklch(0.37 0.092 245.5)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0514

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6d2d03

#036d63 · #030d6d

#6d0343 · #436d03

Split-complementary

Open in tool →

#6d030d · #6d6303

#63036d · #6d2d03 · #0d6d03

Contrast

#03436d as textRatioAAAA largeAAAFix
Aaon white
10.36:1passpasspassPasses AAA — no fix needed.
Aaon black
2.03:1failfailfail
  • AA: use #0579c7 as the text (4.57:1)
  • AAA: use #0b9af9 as the text (7:1)
  • AA: or shift the background to #ababab (4.51:1)
  • AAA: or shift the background to #d6d6d6 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03436d 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

#03436d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03436d
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 #03436d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03436d-9cafc4-df4e5a-1f222d-e9f1f0?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