Color

#034db5

#034db5
hex#034db5
rgbrgb(3, 77, 181)
hslhsl(215, 97%, 36%)
oklchoklch(0.45 0.177 259.6)
Closest name: Denim (#2243b6)Relative luminance 0.0866

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b56b03

#03a6b5 · #1203b5

#b5034d · #4db503

Split-complementary

Open in tool →

#b51203 · #a6b503

#b503a6 · #b56b03 · #03b512

Contrast

#034db5 as textRatioAAAA largeAAAFix
Aaon white
7.68:1passpasspassPasses AAA — no fix needed.
Aaon black
2.73:1failfailfail
  • AA: use #046bfb as the text (4.5:1)
  • AAA: use #4f97fc as the text (7.16:1)
  • AA: or shift the background to #c7c7c7 (4.55:1)
  • AAA: or shift the background to #f5f5f5 (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 #034db5 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

#034db5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #034db5
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 #034db5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/034db5-9ca8c4-df5d4e-201f2d-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