Color

#125ace

#125ace
hex#125ace
rgbrgb(18, 90, 206)
hslhsl(217, 84%, 44%)
oklchoklch(0.5 0.192 260.4)
Closest name: Denim (#1560bd)Relative luminance 0.119

Colors that go with #125ace

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 →

#ce8612

#12b8ce · #2812ce

#ce125a · #5ace12

Split-complementary

Open in tool →

#ce2812 · #b8ce12

#ce12b8 · #ce8612 · #12ce28

Contrast

#125ace as textRatioAAAA largeAAAFix
Aaon white
6.21:1passpassfail
  • AAA: use #1052bc as the text (7.11:1)
Aaon black
3.38:1failpassfail
  • AA: use #2270ec as the text (4.6:1)
  • AAA: use #5f97f1 as the text (7.18:1)
  • AA: or shift the background to #dedede (4.62:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/125ace-9ca7c4-df624e-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