Color

#120db5

#120db5
hex#120db5
rgbrgb(18, 13, 181)
hslhsl(242, 87%, 38%)
oklchoklch(0.361 0.234 266.8)
Closest name: Dark Galaxy (#0018a8)Relative luminance 0.0375

Colors that go with #120db5

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 →

#b0b50d

#0d5bb5 · #670db5

#b5120d · #0db512

Split-complementary

Open in tool →

#b5670d · #5bb50d

#b50d5b · #b0b50d · #0db567

Contrast

#120db5 as textRatioAAAA largeAAAFix
Aaon white
12:1passpasspassPasses AAA — no fix needed.
Aaon black
1.75:1failfailfail
  • AA: use #6762f4 as the text (4.63:1)
  • AAA: use #908df7 as the text (7.34:1)
  • AA: or shift the background to #a1a1a1 (4.64:1)
  • AAA: or shift the background to #c7c7c7 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #120db5 as the background.

Brands using this color

Fonts for this mood

#120db5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #120db5
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 #120db5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/120db5-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