Color

#33596b

#33596b
hex#33596b
rgbrgb(51, 89, 107)
hslhsl(199, 35%, 31%)
oklchoklch(0.443 0.052 230)
Closest name: Arctic Nights (#345c61)Relative luminance 0.0891

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6b4533

#336b61 · #333e6b

#6b3359 · #596b33

Split-complementary

Open in tool →

#6b333e · #6b6133

#61336b · #6b4533 · #3e6b33

Contrast

#33596b as textRatioAAAA largeAAAFix
Aaon white
7.55:1passpasspassPasses AAA — no fix needed.
Aaon black
2.78:1failfailfail
  • AA: use #477c94 as the text (4.58:1)
  • AAA: use #689db6 as the text (7.09:1)
  • AA: or shift the background to #c9c9c9 (4.56:1)
  • AAA: or shift the background to #f7f7f7 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #33596b 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

#33596b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #33596b
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 #33596b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/33596b-9cb3c4-df4e66-1f232d-e9f1f0?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