Color

#30368d

#30368d
hex#30368d
rgbrgb(48, 54, 141)
hslhsl(236, 49%, 37%)
oklchoklch(0.384 0.142 274.5)
Closest name: Bluebell (#333399)Relative luminance 0.0519

Colors that go with #30368d

Charcoal, Steel Blue and 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 →

#8d8630

#30658d · #58308d

#8d3036 · #368d30

Split-complementary

Open in tool →

#8d5830 · #658d30

#8d3065 · #8d8630 · #308d58

Contrast

#30368d as textRatioAAAA largeAAAFix
Aaon white
10.3:1passpasspassPasses AAA — no fix needed.
Aaon black
2.04:1failfailfail
  • AA: use #676ecb as the text (4.67:1)
  • AAA: use #8d92d8 as the text (7.24:1)
  • AA: or shift the background to #adadad (4.59:1)
  • AAA: or shift the background to #d6d6d6 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #30368d 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

#30368d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30368d
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 #30368d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30368d-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