Color

#121c40

#121c40
hex#121c40
rgbrgb(18, 28, 64)
hslhsl(227, 56%, 16%)
oklchoklch(0.24 0.07 269)
Closest name: Nightwalker (#161d3b)Relative luminance 0.0133

Tints & shades

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

Harmonies

Complementary

Open in tool →

#403612

#123340 · #1f1240

#40121c · #1c4012

Split-complementary

Open in tool →

#401f12 · #334012

#401233 · #403612 · #12401f

Contrast

#121c40 as textRatioAAAA largeAAAFix
Aaon white
16.59:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #546fcf as the text (4.55:1)
  • AAA: use #8094db as the text (7.18:1)
  • AA: or shift the background to #878787 (4.62:1)
  • AAA: or shift the background to #ababab (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 #121c40 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

#121c40 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #121c40
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 #121c40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/121c40-9ca0c4-df7a4e-221f2d-e9eff1?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