Color

#39495b

#39495b
hex#39495b
rgbrgb(57, 73, 91)
hslhsl(212, 23%, 29%)
oklchoklch(0.399 0.037 251.7)
Closest name: Bluedgeons (#324c64)Relative luminance 0.0639

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5b4b39

#395a5b · #3a395b

#5b3949 · #495b39

Split-complementary

Open in tool →

#5b3a39 · #5a5b39

#5b395a · #5b4b39 · #395b3a

Contrast

#39495b as textRatioAAAA largeAAAFix
Aaon white
9.22:1passpasspassPasses AAA — no fix needed.
Aaon black
2.28:1failfailfail
  • AA: use #5e7997 as the text (4.66:1)
  • AAA: use #8297b0 as the text (7:1)
  • AA: or shift the background to #b8b8b8 (4.65:1)
  • AAA: or shift the background to #e3e3e3 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39495b 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

#39495b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #39495b
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 #39495b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39495b-9caac4-df564e-1f202d-e9f1f1?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