Color

#1047ea

#1047ea
hex#1047ea
rgbrgb(16, 71, 234)
hslhsl(225, 87%, 49%)
oklchoklch(0.491 0.248 264.1)
Closest name: C64 Blue (#003aff)Relative luminance 0.1056

Colors that go with #1047ea

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 →

#eab310

#10b3ea · #4710ea

#ea1047 · #47ea10

Split-complementary

Open in tool →

#ea4710 · #b3ea10

#ea10b3 · #eab310 · #10ea47

Contrast

#1047ea as textRatioAAAA largeAAAFix
Aaon white
6.75:1passpassfail
  • AAA: use #1044e0 as the text (7.18:1)
Aaon black
3.11:1failpassfail
  • AA: use #406df2 as the text (4.69:1)
  • AAA: use #7091f5 as the text (7.06:1)
  • AA: or shift the background to #d4d4d4 (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 #1047ea as the background.

Brands using this color

Fonts for this mood

#1047ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1047ea
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 #1047ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1047ea-9ca1c4-df754e-221f2d-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