Color

#30474f

#30474f
hex#30474f
rgbrgb(48, 71, 79)
hslhsl(195, 24%, 25%)
oklchoklch(0.382 0.032 221.6)
Closest name: Arsenic (#3b444b)Relative luminance 0.057

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4f3830

#304f47 · #30384f

#4f3047 · #474f30

Split-complementary

Open in tool →

#4f3038 · #4f4730

#47304f · #4f3830 · #384f30

Contrast

#30474f as textRatioAAAA largeAAAFix
Aaon white
9.81:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #537b88 as the text (4.56:1)
  • AAA: use #749caa as the text (7.08:1)
  • AA: or shift the background to #b0b0b0 (4.53:1)
  • AAA: or shift the background to #dbdbdb (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 #30474f 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

#30474f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30474f
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 #30474f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30474f-9cb5c4-df4e70-1f242d-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