Color

#1241fd

#1241fd
hex#1241fd
rgbrgb(18, 65, 253)
hslhsl(228, 98%, 53%)
oklchoklch(0.502 0.276 264.8)
Closest name: C64 Blue (#003aff)Relative luminance 0.11

Colors that go with #1241fd

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 →

#fdce12

#12b6fd · #5812fd

#fd1241 · #41fd12

Split-complementary

Open in tool →

#fd5812 · #b6fd12

#fd12b6 · #fdce12 · #12fd58

Contrast

#1241fd as textRatioAAAA largeAAAFix
Aaon white
6.56:1passpassfail
  • AAA: use #0335fc as the text (7.19:1)
Aaon black
3.2:1failpassfail
  • AA: use #4469fd as the text (4.68:1)
  • AAA: use #728efe as the text (7.02:1)
  • AA: or shift the background to #d6d6d6 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1241fd as the background.

Brands using this color

Fonts for this mood

#1241fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1241fd
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 #1241fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1241fd-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