Color

#0c1d4f

#0c1d4f
hex#0c1d4f
rgbrgb(12, 29, 79)
hslhsl(225, 74%, 18%)
oklchoklch(0.253 0.095 265.6)
Closest name: Dark Soul (#112255)Relative luminance 0.0152

Tints & shades

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

Harmonies

Complementary

Open in tool →

#503f0c

#0c3f50 · #1d0c50

#500c1d · #1d500c

Split-complementary

Open in tool →

#501d0c · #3f500c

#500c3f · #503f0c · #0c501d

Contrast

#0c1d4f as textRatioAAAA largeAAAFix
Aaon white
16.1:1passpasspassPasses AAA — no fix needed.
Aaon black
1.3:1failfailfail
  • AA: use #456ce3 as the text (4.51:1)
  • AAA: use #7593ea as the text (7.12:1)
  • AA: or shift the background to #8a8a8a (4.66:1)
  • AAA: or shift the background to #ababab (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0c1d4f 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

#0c1d4f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0c1d4f
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 #0c1d4f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c1d4f-9ca1c4-df754e-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