Color

#125fd3

#125fd3
hex#125fd3
rgbrgb(18, 95, 211)
hslhsl(216, 84%, 45%)
oklchoklch(0.515 0.193 259.7)
Closest name: Denim (#1560bd)Relative luminance 0.1302

Colors that go with #125fd3

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 →

#d38612

#12c0d3 · #2612d3

#d3125f · #5fd312

Split-complementary

Open in tool →

#d32612 · #c0d312

#d312c0 · #d38612 · #12d326

Contrast

#125fd3 as textRatioAAAA largeAAAFix
Aaon white
5.83:1passpassfail
  • AAA: use #1053b7 as the text (7.14:1)
Aaon black
3.6:1failpassfail
  • AA: use #1e70eb as the text (4.57:1)
  • AAA: use #5b97f1 as the text (7.14:1)
  • AA: or shift the background to #e3e3e3 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #125fd3 as the background.

Brands using this color

Fonts for this mood

#125fd3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #125fd3
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 #125fd3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/125fd3-9ca7c4-df5f4e-201f2d-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