Color

#125eab

#125eab
hex#125eab
rgbrgb(18, 94, 171)
hslhsl(210, 81%, 37%)
oklchoklch(0.482 0.141 253.7)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1107

Colors that go with #125eab

Charcoal, Crimson and Sienna 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 →

#ab5e12

#12abab · #1212ab

#ab125e · #5eab12

Split-complementary

Open in tool →

#ab1212 · #abab12

#ab12ab · #ab5e12 · #12ab12

Contrast

#125eab as textRatioAAAA largeAAAFix
Aaon white
6.53:1passpassfail
  • AAA: use #1159a2 as the text (7.06:1)
Aaon black
3.21:1failpassfail
  • AA: use #1675d4 as the text (4.53:1)
  • AAA: use #4699ec as the text (7.03:1)
  • AA: or shift the background to #d9d9d9 (4.63:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/125eab-9cabc4-df514e-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