Color

#365a63

#365a63
hex#365a63
rgbrgb(54, 90, 99)
hslhsl(192, 29%, 30%)
oklchoklch(0.444 0.044 215.4)
Closest name: Arctic Nights (#345c61)Relative luminance 0.09

Tints & shades

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

Harmonies

Complementary

Open in tool →

#633f36

#366355 · #364463

#63365a · #5a6336

Split-complementary

Open in tool →

#633644 · #635536

#553663 · #633f36 · #446336

Contrast

#365a63 as textRatioAAAA largeAAAFix
Aaon white
7.5:1passpasspassPasses AAA — no fix needed.
Aaon black
2.8:1failfailfail
  • AA: use #4c7e8a as the text (4.66:1)
  • AAA: use #689eac as the text (7.08:1)
  • AA: or shift the background to #c9c9c9 (4.53:1)
  • AAA: or shift the background to #f7f7f7 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #365a63 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

#365a63 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #365a63
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 #365a63 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/365a63-a2b5be-df4e77-1f242d-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