Color

#034391

#034391
hex#034391
rgbrgb(3, 67, 145)
hslhsl(213, 96%, 29%)
oklchoklch(0.398 0.142 257.6)
Closest name: Cascade Twilight (#234893)Relative luminance 0.0608

Tints & shades

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

Harmonies

Complementary

Open in tool →

#915103

#038a91 · #0a0391

#910343 · #439103

Split-complementary

Open in tool →

#910a03 · #8a9103

#91038a · #915103 · #03910a

Contrast

#034391 as textRatioAAAA largeAAAFix
Aaon white
9.48:1passpasspassPasses AAA — no fix needed.
Aaon black
2.22:1failfailfail
  • AA: use #056ff0 as the text (4.54:1)
  • AAA: use #4698fb as the text (7.14:1)
  • AA: or shift the background to #b3b3b3 (4.52:1)
  • AAA: or shift the background to #dedede (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #034391 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#034391 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #034391
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 #034391 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/034391-9ca9c4-df584e-1f202d-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