Color

#2a034f

#2a034f
hex#2a034f
rgbrgb(42, 3, 79)
hslhsl(271, 93%, 16%)
oklchoklch(0.24 0.123 299.7)
Closest name: Hollow Knight (#330055)Relative luminance 0.0112

Colors that go with #2a034f

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 →

#284f03

#04034f · #4f034d

#4f2a03 · #034f2a

Split-complementary

Open in tool →

#4d4f03 · #034f04

#4f0403 · #284f03 · #034d4f

Contrast

#2a034f as textRatioAAAA largeAAAFix
Aaon white
17.15:1passpasspassPasses AAA — no fix needed.
Aaon black
1.22:1failfailfail
  • AA: use #9f3ff8 as the text (4.54:1)
  • AAA: use #ba75fa as the text (7.01:1)
  • 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 #2a034f 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

#2a034f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a034f
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 #2a034f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a034f-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