Color

#1040fe

#1040fe
hex#1040fe
rgbrgb(16, 64, 254)
hslhsl(228, 99%, 53%)
oklchoklch(0.502 0.278 264.7)
Closest name: C64 Blue (#003aff)Relative luminance 0.1093

Colors that go with #1040fe

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 →

#fece10

#10b7fe · #5810fe

#fe1040 · #40fe10

Split-complementary

Open in tool →

#fe5810 · #b7fe10

#fe10b7 · #fece10 · #10fe58

Contrast

#1040fe as textRatioAAAA largeAAAFix
Aaon white
6.59:1passpassfail
  • AAA: use #0134fe as the text (7.18:1)
Aaon black
3.19:1failpassfail
  • AA: use #4369fe as the text (4.69:1)
  • AAA: use #7691fe as the text (7.25:1)
  • AA: or shift the background to #d6d6d6 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1040fe as the background.

Brands using this color

Fonts for this mood

#1040fe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1040fe
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 #1040fe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1040fe-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