Color

#034e63

#034e63
hex#034e63
rgbrgb(3, 78, 99)
hslhsl(193, 94%, 20%)
oklchoklch(0.394 0.073 224.1)
Closest name: Raging Thunderstorm (#004f63)Relative luminance 0.0637

Tints & shades

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

Harmonies

Complementary

Open in tool →

#631803

#036348 · #031e63

#63034e · #4e6303

Split-complementary

Open in tool →

#63031e · #634803

#480363 · #631803 · #1e6303

Contrast

#034e63 as textRatioAAAA largeAAAFix
Aaon white
9.24:1passpasspassPasses AAA — no fix needed.
Aaon black
2.27:1failfailfail
  • AA: use #0581a3 as the text (4.68:1)
  • AAA: use #06a4d0 as the text (7.23:1)
  • AA: or shift the background to #b5b5b5 (4.5:1)
  • AAA: or shift the background to #e3e3e3 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #034e63 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

#034e63 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #034e63
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 #034e63 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/034e63-a2b5be-df4e75-1f242d-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