Color

#140dce

#140dce
hex#140dce
rgbrgb(20, 13, 206)
hslhsl(242, 88%, 43%)
oklchoklch(0.395 0.26 266.5)
Closest name: mediumblue (#0000cd)Relative luminance 0.0489

Colors that go with #140dce

Charcoal, Crimson and Cornflower Blue 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 →

#c8ce0d

#0d67ce · #740dce

#ce140d · #0dce14

Split-complementary

Open in tool →

#ce740d · #67ce0d

#ce0d67 · #c8ce0d · #0dce74

Contrast

#140dce as textRatioAAAA largeAAAFix
Aaon white
10.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.98:1failfailfail
  • AA: use #6661f5 as the text (4.59:1)
  • AAA: use #908cf8 as the text (7.29:1)
  • AA: or shift the background to #ababab (4.62:1)
  • AAA: or shift the background to #d4d4d4 (7.16:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/140dce-a29cc4-df9e4e-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