Color

#304546

#304546
hex#304546
rgbrgb(48, 69, 70)
hslhsl(183, 19%, 23%)
oklchoklch(0.373 0.026 199.8)
Closest name: Arsenic (#3b444b)Relative luminance 0.0533

Tints & shades

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

Harmonies

Complementary

Open in tool →

#463130

#30463c · #303a46

#463045 · #454630

Split-complementary

Open in tool →

#46303a · #463c30

#3c3046 · #463130 · #3a4630

Contrast

#304546 as textRatioAAAA largeAAAFix
Aaon white
10.17:1passpasspassPasses AAA — no fix needed.
Aaon black
2.07:1failfailfail
  • AA: use #577d7f as the text (4.65:1)
  • AAA: use #739ea0 as the text (7.13:1)
  • AA: or shift the background to #adadad (4.53:1)
  • AAA: or shift the background to #d9d9d9 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #304546 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

#304546 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #304546
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 #304546 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/304546-a2b9be-d4598e-1f262d-e9f1ee?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