Color

#394b51

#394b51
hex#394b51
rgbrgb(57, 75, 81)
hslhsl(195, 17%, 27%)
oklchoklch(0.4 0.025 220.2)
Closest name: Abyssal (#404c57)Relative luminance 0.065

Tints & shades

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

Harmonies

Complementary

Open in tool →

#513f39

#39514b · #393f51

#51394b · #4b5139

Split-complementary

Open in tool →

#51393f · #514b39

#4b3951 · #513f39 · #3f5139

Contrast

#394b51 as textRatioAAAA largeAAAFix
Aaon white
9.13:1passpasspassPasses AAA — no fix needed.
Aaon black
2.3:1failfailfail
  • AA: use #5d7a83 as the text (4.58:1)
  • AAA: use #7f9ba4 as the text (7.13:1)
  • AA: or shift the background to #b8b8b8 (4.6:1)
  • AAA: or shift the background to #e3e3e3 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #394b51 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

#394b51 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #394b51
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 #394b51 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/394b51-9cb5c4-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