Color

#2c5b63

#2c5b63
hex#2c5b63
rgbrgb(44, 91, 99)
hslhsl(189, 38%, 28%)
oklchoklch(0.442 0.053 209.9)
Closest name: Arctic Nights (#345c61)Relative luminance 0.0892

Tints & shades

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

Harmonies

Complementary

Open in tool →

#63342c

#2c6350 · #2c3f63

#632c5a · #5a632c

Split-complementary

Open in tool →

#632c3f · #63502c

#502c63 · #63342c · #3f632c

Contrast

#2c5b63 as textRatioAAAA largeAAAFix
Aaon white
7.54:1passpasspassPasses AAA — no fix needed.
Aaon black
2.78:1failfailfail
  • AA: use #3e7e89 as the text (4.55:1)
  • AAA: use #4fa1b0 as the text (7.06:1)
  • AA: or shift the background to #c9c9c9 (4.56:1)
  • AAA: or shift the background to #f7f7f7 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2c5b63 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

#2c5b63 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c5b63
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 #2c5b63 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c5b63-a2b7be-df4e7e-1f252d-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