Color

#340d4e

#340d4e
hex#340d4e
rgbrgb(52, 13, 78)
hslhsl(276, 71%, 18%)
oklchoklch(0.265 0.112 307.5)
Closest name: Hollow Knight (#330055)Relative luminance 0.0157

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#274e0d

#140d4e · #4e0d48

#4e340d · #0d4e34

Split-complementary

Open in tool →

#484e0d · #0d4e14

#4e140d · #274e0d · #0d484e

Contrast

#340d4e as textRatioAAAA largeAAAFix
Aaon white
15.99:1passpasspassPasses AAA — no fix needed.
Aaon black
1.31:1failfailfail
  • AA: use #a348e0 as the text (4.56:1)
  • AAA: use #bd7ce9 as the text (7.22:1)
  • AA: or shift the background to #8a8a8a (4.63:1)
  • AAA: or shift the background to #adadad (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #340d4e 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

#340d4e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #340d4e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #340d4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/340d4e-b99cc4-bfcb62-2d1f2d-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