Color

#36404e

#36404e
hex#36404e
rgbrgb(54, 64, 78)
hslhsl(215, 18%, 26%)
oklchoklch(0.368 0.028 256.8)
Closest name: Arsenic (#3b444b)Relative luminance 0.05

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4e4436

#364c4e · #38364e

#4e3640 · #404e36

Split-complementary

Open in tool →

#4e3836 · #4c4e36

#4e364c · #4e4436 · #364e38

Contrast

#36404e as textRatioAAAA largeAAAFix
Aaon white
10.5:1passpasspassPasses AAA — no fix needed.
Aaon black
2:1failfailfail
  • AA: use #647790 as the text (4.58:1)
  • AAA: use #8a99ad as the text (7.24:1)
  • AA: or shift the background to #ababab (4.57:1)
  • AAA: or shift the background to #d4d4d4 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #36404e 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

#36404e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #36404e
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 #36404e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/36404e-9ca8c4-df5d4e-201f2d-e9f0f1?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