Color

#1f1240

#1f1240
hex#1f1240
rgbrgb(31, 18, 64)
hslhsl(257, 56%, 16%)
oklchoklch(0.231 0.083 291.5)
Closest name: Midnight Monarch (#1c0f33)Relative luminance 0.0109

Tints & shades

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

Harmonies

Complementary

Open in tool →

#334012

#121c40 · #361240

#401f12 · #12401f

Split-complementary

Open in tool →

#403612 · #1c4012

#40121c · #334012 · #124036

Contrast

#1f1240 as textRatioAAAA largeAAAFix
Aaon white
17.23:1passpasspassPasses AAA — no fix needed.
Aaon black
1.22:1failfailfail
  • AA: use #8060d2 as the text (4.52:1)
  • AAA: use #a088dd as the text (7.06:1)
  • AA: or shift the background to #858585 (4.67:1)
  • AAA: or shift the background to #a6a6a6 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f1240 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

#1f1240 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f1240
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 #1f1240 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f1240-ac9cc4-dfc24e-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