Color

#2a2aac

#2a2aac
hex#2a2aac
rgbrgb(42, 42, 172)
hslhsl(240, 61%, 42%)
oklchoklch(0.39 0.198 272.4)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0513

Colors that go with #2a2aac

Charcoal, Steel Blue and 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 →

#acac2a

#2a6bac · #6b2aac

#ac2a2a · #2aac2a

Split-complementary

Open in tool →

#ac6b2a · #6bac2a

#ac2a6b · #acac2a · #2aac6b

Contrast

#2a2aac as textRatioAAAA largeAAAFix
Aaon white
10.37:1passpasspassPasses AAA — no fix needed.
Aaon black
2.03:1failfailfail
  • AA: use #6767da as the text (4.53:1)
  • AAA: use #9090e4 as the text (7.3:1)
  • AA: or shift the background to #ababab (4.52:1)
  • AAA: or shift the background to #d6d6d6 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a2aac 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

#2a2aac reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a2aac
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 #2a2aac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a2aac-a19cc4-df994e-251f2d-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