Color

#30555f

#30555f
hex#30555f
rgbrgb(48, 85, 95)
hslhsl(193, 33%, 28%)
oklchoklch(0.426 0.045 217.1)
Closest name: Arctic Nights (#345c61)Relative luminance 0.0795

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5f3a30

#305f52 · #303d5f

#5f3055 · #555f30

Split-complementary

Open in tool →

#5f303d · #5f5230

#52305f · #5f3a30 · #3d5f30

Contrast

#30555f as textRatioAAAA largeAAAFix
Aaon white
8.11:1passpasspassPasses AAA — no fix needed.
Aaon black
2.59:1failfailfail
  • AA: use #467c8b as the text (4.52:1)
  • AAA: use #609eaf as the text (7.01:1)
  • AA: or shift the background to #c2c2c2 (4.55:1)
  • AAA: or shift the background to #f0f0f0 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #30555f 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

#30555f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30555f
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 #30555f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30555f-a2b5be-df4e75-1f242d-e9f1ef?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