Color

#2a0a76

#2a0a76
hex#2a0a76
rgbrgb(42, 10, 118)
hslhsl(258, 84%, 25%)
oklchoklch(0.292 0.16 283.8)
Closest name: Galactic Federation (#330077)Relative luminance 0.0202

Colors that go with #2a0a76

Charcoal, Royal Blue and Cobalt 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 →

#55750a

#0a2075 · #600a75

#752a0a · #0a752a

Split-complementary

Open in tool →

#75600a · #20750a

#750a20 · #55750a · #0a7560

Contrast

#2a0a76 as textRatioAAAA largeAAAFix
Aaon white
14.96:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #8456f0 as the text (4.57:1)
  • AAA: use #a685f4 as the text (7.28:1)
  • AA: or shift the background to #8f8f8f (4.63:1)
  • AAA: or shift the background to #b3b3b3 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a0a76 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

#2a0a76 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a0a76
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 #2a0a76 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a0a76-ad9cc4-dfc44e-291f2d-e9ebf1?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