Color

#120dab

#120dab
hex#120dab
rgbrgb(18, 13, 171)
hslhsl(242, 86%, 36%)
oklchoklch(0.347 0.224 267.1)
Closest name: Dark Galaxy (#0018a8)Relative luminance 0.0336

Colors that go with #120dab

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 →

#a5ab0d

#0d57ab · #610dab

#ab120d · #0dab12

Split-complementary

Open in tool →

#ab610d · #57ab0d

#ab0d57 · #a5ab0d · #0dab61

Contrast

#120dab as textRatioAAAA largeAAAFix
Aaon white
12.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.67:1failfailfail
  • AA: use #6762f3 as the text (4.62:1)
  • AAA: use #918df6 as the text (7.34:1)
  • AA: or shift the background to #9c9c9c (4.58:1)
  • AAA: or shift the background to #c2c2c2 (7.05:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/120dab-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