Color

#034cd3

#034cd3
hex#034cd3
rgbrgb(3, 76, 211)
hslhsl(219, 97%, 42%)
oklchoklch(0.475 0.217 262)
Closest name: Denim (#2243b6)Relative luminance 0.0989

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d38a03

#03b4d3 · #2203d3

#d3034c · #4cd303

Split-complementary

Open in tool →

#d32203 · #b4d303

#d303b4 · #d38a03 · #03d322

Contrast

#034cd3 as textRatioAAAA largeAAAFix
Aaon white
7.05:1passpasspassPasses AAA — no fix needed.
Aaon black
2.98:1failfailfail
  • AA: use #1d6bfc as the text (4.56:1)
  • AAA: use #5e96fd as the text (7.26:1)
  • AA: or shift the background to #cfcfcf (4.53:1)
  • AAA: or shift the background to #ffffff (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 #034cd3 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

#034cd3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #034cd3
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 #034cd3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/034cd3-9ca5c4-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