Color

#043186

#043186
hex#043186
rgbrgb(4, 49, 134)
hslhsl(219, 94%, 27%)
oklchoklch(0.349 0.15 261.7)
Closest name: Below the Surface (#0a2f7c)Relative luminance 0.0394

Tints & shades

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

Harmonies

Complementary

Open in tool →

#865804

#047286 · #180486

#860431 · #318604

Split-complementary

Open in tool →

#861804 · #728604

#860472 · #865804 · #048618

Contrast

#043186 as textRatioAAAA largeAAAFix
Aaon white
11.74:1passpasspassPasses AAA — no fix needed.
Aaon black
1.79:1failfailfail
  • AA: use #206cf8 as the text (4.56:1)
  • AAA: use #5c93fa as the text (7.01:1)
  • AA: or shift the background to #a1a1a1 (4.54:1)
  • AAA: or shift the background to #c9c9c9 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #043186 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

#043186 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #043186
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 #043186 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/043186-9ca5c4-df664e-211f2d-e9f0f1?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