Color

#301c4f

#301c4f
hex#301c4f
rgbrgb(48, 28, 79)
hslhsl(264, 48%, 21%)
oklchoklch(0.282 0.09 298.5)
Closest name: Fabric of Space (#341758)Relative luminance 0.0202

Colors that go with #301c4f

Charcoal, Dark Olive Green and Royal Blue 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 →

#3b4f1c

#1c214f · #4a1c4f

#4f301c · #1c4f30

Split-complementary

Open in tool →

#4f4a1c · #214f1c

#4f1c21 · #3b4f1c · #1c4f4a

Contrast

#301c4f as textRatioAAAA largeAAAFix
Aaon white
14.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #8a60c7 as the text (4.58:1)
  • AAA: use #a88ad6 as the text (7.27:1)
  • AA: or shift the background to #8f8f8f (4.62:1)
  • AAA: or shift the background to #b3b3b3 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #301c4f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#301c4f reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #301c4f
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 #301c4f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/301c4f-b19cc4-dfd34e-2b1f2d-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