Color

#30335f

#30335f
hex#30335f
rgbrgb(48, 51, 95)
hslhsl(236, 33%, 28%)
oklchoklch(0.341 0.076 278.6)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0382

Colors that go with #30335f

Dark Olive Green, Steel 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 →

#5f5c30

#304b5f · #44305f

#5f3033 · #335f30

Split-complementary

Open in tool →

#5f4430 · #4b5f30

#5f304b · #5f5c30 · #305f44

Contrast

#30335f as textRatioAAAA largeAAAFix
Aaon white
11.9:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #6a6fb4 as the text (4.55:1)
  • AAA: use #8f93c7 as the text (7.17:1)
  • AA: or shift the background to #a1a1a1 (4.61:1)
  • AAA: or shift the background to #c7c7c7 (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 #30335f 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

#30335f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30335f
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 #30335f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30335f-9e9cc4-df8f4e-241f2d-e9eef1?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