Color

#140df8

#140df8
hex#140df8
rgbrgb(20, 13, 248)
hslhsl(242, 94%, 51%)
oklchoklch(0.45 0.301 265.7)
Closest name: blue (#0000ff)Relative luminance 0.0721

Colors that go with #140df8

Charcoal, Crimson and Cobalt 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 →

#f0f80d

#0d7af8 · #8a0df8

#f8140d · #0df814

Split-complementary

Open in tool →

#f88a0d · #7af80d

#f80d7a · #f0f80d · #0df88a

Contrast

#140df8 as textRatioAAAA largeAAAFix
Aaon white
8.6:1passpasspassPasses AAA — no fix needed.
Aaon black
2.44:1failfailfail
  • AA: use #6661fa as the text (4.66:1)
  • AAA: use #8c88fb as the text (7.03:1)
  • AA: or shift the background to #bdbdbd (4.58:1)
  • AAA: or shift the background to #e8e8e8 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #140df8 as the background.

Brands using this color

Fonts for this mood

#140df8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #140df8
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 #140df8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/140df8-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