Color

#1f2041

#1f2041
hex#1f2041
rgbrgb(31, 32, 65)
hslhsl(238, 35%, 19%)
oklchoklch(0.261 0.061 280)
Closest name: Black Market (#222244)Relative luminance 0.0171

Colors that go with #1f2041

Charcoal, Dark Olive Green and Sienna lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#41401f

#1f3241 · #2f1f41

#411f21 · #21411f

Split-complementary

Open in tool →

#412f1f · #32411f

#411f32 · #41401f · #1f412f

Contrast

#1f2041 as textRatioAAAA largeAAAFix
Aaon white
15.66:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #6b6eb8 as the text (4.55:1)
  • AAA: use #9193ca as the text (7.23:1)
  • AA: or shift the background to #8a8a8a (4.54:1)
  • AAA: or shift the background to #b0b0b0 (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f2041 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1f2041 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f2041
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1f2041 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f2041-9f9cc4-df944e-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