Color

#125eb5

#125eb5
hex#125eb5
rgbrgb(18, 94, 181)
hslhsl(212, 82%, 39%)
oklchoklch(0.489 0.155 255.9)
Closest name: Denim (#1560bd)Relative luminance 0.1147

Colors that go with #125eb5

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 →

#b56912

#12b0b5 · #1712b5

#b5125e · #5eb512

Split-complementary

Open in tool →

#b51712 · #b0b512

#b512b0 · #b56912 · #12b517

Contrast

#125eb5 as textRatioAAAA largeAAAFix
Aaon white
6.38:1passpassfail
  • AAA: use #1157a7 as the text (7.13:1)
Aaon black
3.29:1failpassfail
  • AA: use #1674df as the text (4.6:1)
  • AAA: use #4f99ee as the text (7.12:1)
  • AA: or shift the background to #d9d9d9 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #125eb5 as the background.

Brands using this color

Fonts for this mood

#125eb5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #125eb5
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 #125eb5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/125eb5-9caac4-df564e-1f202d-e9f1f1?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