Color

#120aff

#120aff
hex#120aff
rgbrgb(18, 10, 255)
hslhsl(242, 100%, 52%)
oklchoklch(0.458 0.309 265.4)
Closest name: blue (#0000ff)Relative luminance 0.0757

Colors that go with #120aff

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 →

#f7ff0a

#0a7cff · #8d0aff

#ff120a · #0aff12

Split-complementary

Open in tool →

#ff8d0a · #7cff0a

#ff0a7c · #f7ff0a · #0aff8d

Contrast

#120aff as textRatioAAAA largeAAAFix
Aaon white
8.36:1passpasspassPasses AAA — no fix needed.
Aaon black
2.51:1failfailfail
  • AA: use #6661ff as the text (4.72:1)
  • AAA: use #8e8aff as the text (7.23:1)
  • AA: or shift the background to #bfbfbf (4.54:1)
  • AAA: or shift the background to #ebebeb (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #120aff as the background.

Brands using this color

Fonts for this mood

#120aff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #120aff
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 #120aff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/120aff-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