Color

#1d2b35

#1d2b35
hex#1d2b35
rgbrgb(29, 43, 53)
hslhsl(205, 29%, 16%)
oklchoklch(0.281 0.027 240)
Closest name: Infinity (#222831)Relative luminance 0.0225

Tints & shades

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

Harmonies

Complementary

Open in tool →

#35271d

#1d3533 · #1d1f35

#351d2b · #2b351d

Split-complementary

Open in tool →

#351d1f · #35331d

#331d35 · #35271d · #1f351d

Contrast

#1d2b35 as textRatioAAAA largeAAAFix
Aaon white
14.49:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #537b97 as the text (4.65:1)
  • AAA: use #789cb5 as the text (7.22:1)
  • AA: or shift the background to #919191 (4.6:1)
  • AAA: or shift the background to #b5b5b5 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d2b35 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#1d2b35 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d2b35
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 #1d2b35 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d2b35-9cafc4-df4e58-1f212d-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