Color

#1341fb

#1341fb
hex#1341fb
rgbrgb(19, 65, 251)
hslhsl(228, 97%, 53%)
oklchoklch(0.5 0.273 264.9)
Closest name: C64 Blue (#003aff)Relative luminance 0.1088

Colors that go with #1341fb

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 →

#fbcd13

#13b6fb · #5913fb

#fb1341 · #41fb13

Split-complementary

Open in tool →

#fb5913 · #b6fb13

#fb13b6 · #fbcd13 · #13fb59

Contrast

#1341fb as textRatioAAAA largeAAAFix
Aaon white
6.61:1passpassfail
  • AAA: use #0939fb as the text (7.02:1)
Aaon black
3.18:1failpassfail
  • AA: use #4066fc as the text (4.52:1)
  • AAA: use #728efd as the text (7:1)
  • AA: or shift the background to #d6d6d6 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1341fb as the background.

Brands using this color

Fonts for this mood

#1341fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1341fb
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 #1341fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1341fb-9c9fc4-df7c4e-231f2d-e9eff1?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