Color

#30305f

#30305f
hex#30305f
rgbrgb(48, 48, 95)
hslhsl(240, 33%, 28%)
oklchoklch(0.335 0.081 281.1)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0357

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5f5f30

#30475f · #47305f

#5f3030 · #305f30

Split-complementary

Open in tool →

#5f4730 · #475f30

#5f3047 · #5f5f30 · #305f47

Contrast

#30305f as textRatioAAAA largeAAAFix
Aaon white
12.25:1passpasspassPasses AAA — no fix needed.
Aaon black
1.71:1failfailfail
  • AA: use #6d6db6 as the text (4.51:1)
  • AAA: use #9292c8 as the text (7.17:1)
  • AA: or shift the background to #9e9e9e (4.57:1)
  • AAA: or shift the background to #c4c4c4 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #30305f 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

#30305f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30305f
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 #30305f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30305f-a19cc4-df994e-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