Color

#37595d

#37595d
hex#37595d
rgbrgb(55, 89, 93)
hslhsl(186, 26%, 29%)
oklchoklch(0.44 0.04 205.2)
Closest name: Arctic Nights (#345c61)Relative luminance 0.0875

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5d3b37

#375d4e · #37465d

#5d3759 · #595d37

Split-complementary

Open in tool →

#5d3746 · #5d4e37

#4e375d · #5d3b37 · #465d37

Contrast

#37595d as textRatioAAAA largeAAAFix
Aaon white
7.64:1passpasspassPasses AAA — no fix needed.
Aaon black
2.75:1failfailfail
  • AA: use #4d7e84 as the text (4.63:1)
  • AAA: use #68a0a6 as the text (7.17:1)
  • AA: or shift the background to #c7c7c7 (4.52:1)
  • AAA: or shift the background to #f5f5f5 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37595d 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

#37595d reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37595d
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 #37595d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37595d-a2b8be-df4e86-1f262d-e9f1ee?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