Color

#126cba

#126cba
hex#126cba
rgbrgb(18, 108, 186)
hslhsl(208, 82%, 40%)
oklchoklch(0.525 0.145 251.1)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.144

Colors that go with #126cba

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 →

#ba6012

#12bab4 · #1218ba

#ba126c · #6cba12

Split-complementary

Open in tool →

#ba1218 · #bab412

#b412ba · #ba6012 · #18ba12

Contrast

#126cba as textRatioAAAA largeAAAFix
Aaon white
5.41:1passpassfail
  • AAA: use #0f5999 as the text (7.22:1)
Aaon black
3.88:1failpassfail
  • AA: use #1579d1 as the text (4.69:1)
  • AAA: use #3c9aec as the text (7.03:1)
  • AA: or shift the background to #ebebeb (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 #126cba as the background.

Brands using this color

Fonts for this mood

#126cba reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #126cba
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 #126cba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/126cba-9cadc4-df4e51-1f212d-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