Color

#120a8a

#120a8a
hex#120a8a
rgbrgb(18, 10, 138)
hslhsl(244, 86%, 29%)
oklchoklch(0.3 0.189 268.8)
Closest name: darkblue (#00008b)Relative luminance 0.0218

Tints & shades

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

Harmonies

Complementary

Open in tool →

#818a0a

#0a418a · #520a8a

#8a130a · #0a8a13

Split-complementary

Open in tool →

#8a520a · #418a0a

#8a0a41 · #818a0a · #0a8a52

Contrast

#120a8a as textRatioAAAA largeAAAFix
Aaon white
14.62:1passpasspassPasses AAA — no fix needed.
Aaon black
1.44:1failfailfail
  • AA: use #6c62f3 as the text (4.68:1)
  • AAA: use #9088f6 as the text (7.04:1)
  • AA: or shift the background to #8f8f8f (4.52:1)
  • AAA: or shift the background to #b5b5b5 (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 #120a8a 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

#120a8a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #120a8a
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 #120a8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/120a8a-a39cc4-dfa24e-261f2d-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