Color

#0049db

#0049db
hex#0049db
rgbrgb(0, 73, 219)
hslhsl(220, 100%, 43%)
oklchoklch(0.477 0.23 262.5)
Closest name: C64 Blue (#003aff)Relative luminance 0.0988

Tints & shades

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

Harmonies

Complementary

Open in tool →

#db9200

#00b7db · #2500db

#db0049 · #49db00

Split-complementary

Open in tool →

#db2500 · #b7db00

#db00b7 · #db9200 · #00db25

Contrast

#0049db as textRatioAAAA largeAAAFix
Aaon white
7.06:1passpasspassPasses AAA — no fix needed.
Aaon black
2.98:1failfailfail
  • AA: use #1f69ff as the text (4.52:1)
  • AAA: use #5c92ff as the text (7.01:1)
  • AA: or shift the background to #cfcfcf (4.53:1)
  • AAA: or shift the background to #ffffff (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0049db 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

#0049db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0049db
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 #0049db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0049db-9ca5c4-df694e-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