Color

#1f1f29

#1f1f29
hex#1f1f29
rgbrgb(31, 31, 41)
hslhsl(240, 14%, 14%)
oklchoklch(0.244 0.019 284.9)
Closest name: Night Demons (#201b20)Relative luminance 0.0143

Tints & shades

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

Harmonies

Complementary

Open in tool →

#29291f

#1f2429 · #241f29

#291f1f · #1f291f

Split-complementary

Open in tool →

#29241f · #24291f

#291f24 · #29291f · #1f2924

Contrast

#1f1f29 as textRatioAAAA largeAAAFix
Aaon white
16.33:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #737396 as the text (4.62:1)
  • AAA: use #9393ae as the text (7.03:1)
  • AA: or shift the background to #878787 (4.54:1)
  • AAA: or shift the background to #ababab (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f1f29 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1f1f29 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f1f29
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 #1f1f29 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f1f29-a19cc4-df994e-251f2d-e9edf1?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