Color

#2a044d

#2a044d
hex#2a044d
rgbrgb(42, 4, 77)
hslhsl(271, 90%, 16%)
oklchoklch(0.239 0.119 300.6)
Closest name: Hollow Knight (#330055)Relative luminance 0.0111

Colors that go with #2a044d

Charcoal, Royal Blue and Teal 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 →

#284e04

#05044e · #4e044c

#4e2a04 · #044e2a

Split-complementary

Open in tool →

#4c4e04 · #044e05

#4e0504 · #284e04 · #044c4e

Contrast

#2a044d as textRatioAAAA largeAAAFix
Aaon white
17.17:1passpasspassPasses AAA — no fix needed.
Aaon black
1.22:1failfailfail
  • AA: use #9f42f5 as the text (4.57:1)
  • AAA: use #ba77f8 as the text (7.08:1)
  • AA: or shift the background to #858585 (4.65:1)
  • AAA: or shift the background to #a6a6a6 (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 #2a044d 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

#2a044d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a044d
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 #2a044d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a044d-b59cc4-c7cb62-2c1f2d-eae9f1?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