Color

#393758

#393758
hex#393758
rgbrgb(57, 55, 88)
hslhsl(244, 23%, 28%)
oklchoklch(0.354 0.057 285.9)
Closest name: Call It a Night (#42364c)Relative luminance 0.0431

Tints & shades

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

Harmonies

Complementary

Open in tool →

#565837

#374558 · #4a3758

#583937 · #375839

Split-complementary

Open in tool →

#584a37 · #455837

#583745 · #565837 · #37584a

Contrast

#393758 as textRatioAAAA largeAAAFix
Aaon white
11.28:1passpasspassPasses AAA — no fix needed.
Aaon black
1.86:1failfailfail
  • AA: use #726fa5 as the text (4.53:1)
  • AAA: use #9491ba as the text (7.02:1)
  • AA: or shift the background to #a6a6a6 (4.63:1)
  • AAA: or shift the background to #cccccc (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #393758 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

#393758 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #393758
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 #393758 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/393758-a39cc4-dfa24e-261f2d-e9edf1?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