Color

#2f054d

#2f054d
hex#2f054d
rgbrgb(47, 5, 77)
hslhsl(275, 88%, 16%)
oklchoklch(0.248 0.119 305)
Closest name: Hollow Knight (#330055)Relative luminance 0.0125

Colors that go with #2f054d

Charcoal, Royal Blue and Sea Green 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 →

#234d05

#0b054d · #4d0547

#4d2f05 · #054d2f

Split-complementary

Open in tool →

#474d05 · #054d0b

#4d0b05 · #234d05 · #05474d

Contrast

#2f054d as textRatioAAAA largeAAAFix
Aaon white
16.8:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #a63af2 as the text (4.51:1)
  • AAA: use #c074f6 as the text (7.07:1)
  • AA: or shift the background to #858585 (4.55:1)
  • AAA: or shift the background to #a8a8a8 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f054d 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

#2f054d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f054d
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 #2f054d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f054d-b89cc4-c0cb62-2d1f2d-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