Color

#0149da

#0149da
hex#0149da
rgbrgb(1, 73, 218)
hslhsl(220, 99%, 43%)
oklchoklch(0.477 0.229 262.5)
Closest name: C64 Blue (#003aff)Relative luminance 0.0983

Colors that go with #0149da

Charcoal, Crimson and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#da9201

#01b6da · #2501da

#da0149 · #49da01

Split-complementary

Open in tool →

#da2501 · #b6da01

#da01b6 · #da9201 · #01da25

Contrast

#0149da as textRatioAAAA largeAAAFix
Aaon white
7.08:1passpasspassPasses AAA — no fix needed.
Aaon black
2.97:1failfailfail
  • AA: use #206afe as the text (4.55:1)
  • AAA: use #5d92fe as the text (7.01:1)
  • AA: or shift the background to #cfcfcf (4.54:1)
  • AAA: or shift the background to #ffffff (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0149da as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0149da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0149da
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #0149da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0149da-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