Color

#120d78

#120d78
hex#120d78
rgbrgb(18, 13, 120)
hslhsl(243, 80%, 26%)
oklchoklch(0.279 0.166 270)
Closest name: midnightblue (#191970)Relative luminance 0.0177

Colors that go with #120d78

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 →

#72770d

#0d3d77 · #480d77

#77130d · #0d7713

Split-complementary

Open in tool →

#77480d · #3d770d

#770d3d · #72770d · #0d7748

Contrast

#120d78 as textRatioAAAA largeAAAFix
Aaon white
15.5:1passpasspassPasses AAA — no fix needed.
Aaon black
1.35:1failfailfail
  • AA: use #6a63ee as the text (4.63:1)
  • AAA: use #918cf2 as the text (7.24:1)
  • AA: or shift the background to #8c8c8c (4.61:1)
  • AAA: or shift the background to #b0b0b0 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #120d78 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#120d78 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #120d78
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 #120d78 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/120d78-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