Color

#120c83

#120c83
hex#120c83
rgbrgb(18, 12, 131)
hslhsl(243, 83%, 28%)
oklchoklch(0.292 0.18 269.2)
Closest name: darkblue (#00008b)Relative luminance 0.0203

Colors that go with #120c83

Charcoal, Crimson and Steel 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 →

#7d830c

#0c4183 · #4d0c83

#83120c · #0c8312

Split-complementary

Open in tool →

#834d0c · #41830c

#830c41 · #7d830c · #0c834d

Contrast

#120c83 as textRatioAAAA largeAAAFix
Aaon white
14.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.41:1failfailfail
  • AA: use #6860f0 as the text (4.52:1)
  • AAA: use #908af4 as the text (7.13:1)
  • AA: or shift the background to #8f8f8f (4.62:1)
  • AAA: or shift the background to #b3b3b3 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #120c83 as the background.

Brands using this color

Fonts for this mood

#120c83 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #120c83
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 #120c83 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/120c83-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