Color

#300e4e

#300e4e
hex#300e4e
rgbrgb(48, 14, 78)
hslhsl(272, 70%, 18%)
oklchoklch(0.26 0.11 303.6)
Closest name: Hollow Knight (#330055)Relative luminance 0.0149

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2c4e0e

#100e4e · #4e0e4c

#4e300e · #0e4e30

Split-complementary

Open in tool →

#4c4e0e · #0e4e10

#4e100e · #2c4e0e · #0e4c4e

Contrast

#300e4e as textRatioAAAA largeAAAFix
Aaon white
16.17:1passpasspassPasses AAA — no fix needed.
Aaon black
1.3:1failfailfail
  • AA: use #9b4de0 as the text (4.53:1)
  • AAA: use #b67de8 as the text (7.09:1)
  • AA: or shift the background to #878787 (4.5:1)
  • AAA: or shift the background to #ababab (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #300e4e 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

#300e4e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #300e4e
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 #300e4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/300e4e-b69cc4-c5cb62-2d1f2d-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