Color

#124c81

#124c81
hex#124c81
rgbrgb(18, 76, 129)
hslhsl(209, 76%, 29%)
oklchoklch(0.41 0.106 250.8)
Closest name: Assassin (#2d4f83)Relative luminance 0.0688

Tints & shades

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

Harmonies

Complementary

Open in tool →

#824812

#128280 · #121482

#82124c · #4c8212

Split-complementary

Open in tool →

#821214 · #828012

#801282 · #824812 · #148212

Contrast

#124c81 as textRatioAAAA largeAAAFix
Aaon white
8.84:1passpasspassPasses AAA — no fix needed.
Aaon black
2.38:1failfailfail
  • AA: use #1c78ce as the text (4.63:1)
  • AAA: use #4b9ce7 as the text (7.21:1)
  • AA: or shift the background to #bababa (4.55:1)
  • AAA: or shift the background to #e6e6e6 (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 #124c81 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

#124c81 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #124c81
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 #124c81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/124c81-9cacc4-df4e4e-1f212d-e9f1f1?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