Color

#37355f

#37355f
hex#37355f
rgbrgb(55, 53, 95)
hslhsl(243, 28%, 29%)
oklchoklch(0.352 0.072 284.2)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0418

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5d5f35

#35485f · #4c355f

#5f3735 · #355f37

Split-complementary

Open in tool →

#5f4c35 · #485f35

#5f3548 · #5d5f35 · #355f4c

Contrast

#37355f as textRatioAAAA largeAAAFix
Aaon white
11.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.84:1failfailfail
  • AA: use #736fae as the text (4.61:1)
  • AAA: use #9693c2 as the text (7.25:1)
  • AA: or shift the background to #a3a3a3 (4.53:1)
  • AAA: or shift the background to #cccccc (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 #37355f 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

#37355f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37355f
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 #37355f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37355f-a39cc4-dfa04e-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