Color

#140bc1

#140bc1
hex#140bc1
rgbrgb(20, 11, 193)
hslhsl(243, 89%, 40%)
oklchoklch(0.377 0.247 266.8)
Closest name: mediumblue (#0000cd)Relative luminance 0.0424

Colors that go with #140bc1

Charcoal, Cornflower Blue and Crimson 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 →

#b8c10b

#0b5dc1 · #6f0bc1

#c1140b · #0bc114

Split-complementary

Open in tool →

#c16f0b · #5dc10b

#c10b5d · #b8c10b · #0bc16f

Contrast

#140bc1 as textRatioAAAA largeAAAFix
Aaon white
11.37:1passpasspassPasses AAA — no fix needed.
Aaon black
1.85:1failfailfail
  • AA: use #6760f6 as the text (4.58:1)
  • AAA: use #918bf8 as the text (7.25:1)
  • AA: or shift the background to #a3a3a3 (4.51:1)
  • AAA: or shift the background to #cccccc (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #140bc1 as the background.

Brands using this color

Fonts for this mood

#140bc1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #140bc1
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 #140bc1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/140bc1-a39cc4-dfa04e-261f2d-e9edf1?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