Color

#30336e

#30336e
hex#30336e
rgbrgb(48, 51, 110)
hslhsl(237, 39%, 31%)
oklchoklch(0.352 0.1 277.7)
Closest name: Her Highness (#432e6f)Relative luminance 0.0412

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6e6b30

#30526e · #4c306e

#6e3033 · #336e30

Split-complementary

Open in tool →

#6e4c30 · #526e30

#6e3052 · #6e6b30 · #306e4c

Contrast

#30336e as textRatioAAAA largeAAAFix
Aaon white
11.51:1passpasspassPasses AAA — no fix needed.
Aaon black
1.82:1failfailfail
  • AA: use #6a6ebe as the text (4.59:1)
  • AAA: use #8e91cd as the text (7.08:1)
  • AA: or shift the background to #a3a3a3 (4.56:1)
  • AAA: or shift the background to #cccccc (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #30336e 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

#30336e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30336e
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 #30336e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30336e-9f9cc4-df924e-251f2d-e9edf1?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