Color

#2a337a

#2a337a
hex#2a337a
rgbrgb(42, 51, 122)
hslhsl(233, 49%, 32%)
oklchoklch(0.357 0.12 273.3)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0427

Colors that go with #2a337a

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 →

#7a702a

#2a5b7a · #482a7a

#7a2a33 · #337a2a

Split-complementary

Open in tool →

#7a482a · #5b7a2a

#7a2a5b · #7a702a · #2a7a48

Contrast

#2a337a as textRatioAAAA largeAAAFix
Aaon white
11.33:1passpasspassPasses AAA — no fix needed.
Aaon black
1.85:1failfailfail
  • AA: use #636fca as the text (4.66:1)
  • AAA: use #8992d7 as the text (7.16:1)
  • AA: or shift the background to #a6a6a6 (4.66:1)
  • AAA: or shift the background to #cccccc (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a337a 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

#2a337a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a337a
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 #2a337a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a337a-9c9cc4-df884e-241f2d-e9eef1?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