Color

#2b0458

#2b0458
hex#2b0458
rgbrgb(43, 4, 88)
hslhsl(268, 91%, 18%)
oklchoklch(0.253 0.131 296)
Closest name: Hollow Knight (#330055)Relative luminance 0.0131

Colors that go with #2b0458

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 →

#315804

#040758 · #550458

#582b04 · #04582b

Split-complementary

Open in tool →

#585504 · #075804

#580407 · #315804 · #045855

Contrast

#2b0458 as textRatioAAAA largeAAAFix
Aaon white
16.65:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #9846f6 as the text (4.54:1)
  • AAA: use #b67bf9 as the text (7.19:1)
  • AA: or shift the background to #858585 (4.51:1)
  • AAA: or shift the background to #a8a8a8 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b0458 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

#2b0458 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b0458
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 #2b0458 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b0458-b39cc4-dfdc4e-2c1f2d-e9eaf1?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