Color

#211e29

#211e29
hex#211e29
rgbrgb(33, 30, 41)
hslhsl(256, 15%, 14%)
oklchoklch(0.243 0.021 297.3)
Closest name: Night Demons (#201b20)Relative luminance 0.0141

Tints & shades

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

Harmonies

Complementary

Open in tool →

#26291e

#1e2129 · #271e29

#29211e · #1e2921

Split-complementary

Open in tool →

#29271e · #21291e

#291e21 · #26291e · #1e2927

Contrast

#211e29 as textRatioAAAA largeAAAFix
Aaon white
16.38:1passpasspassPasses AAA — no fix needed.
Aaon black
1.28:1failfailfail
  • AA: use #796f95 as the text (4.52:1)
  • AAA: use #9a92af as the text (7.1:1)
  • AA: or shift the background to #878787 (4.56:1)
  • AAA: or shift the background to #ababab (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #211e29 as the background.

Brands using this color

Fonts for this mood

#211e29 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #211e29
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 #211e29 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/211e29-ab9cc4-dfbf4e-291f2d-e9ebf1?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