Color

#0c1931

#0c1931
hex#0c1931
rgbrgb(12, 25, 49)
hslhsl(219, 61%, 12%)
oklchoklch(0.216 0.051 261.6)
Closest name: Dark Knight (#151931)Relative luminance 0.01

Tints & shades

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

Harmonies

Complementary

Open in tool →

#31240c

#0c2c31 · #120c31

#310c19 · #19310c

Split-complementary

Open in tool →

#31120c · #2c310c

#310c2c · #31240c · #0c3112

Contrast

#0c1931 as textRatioAAAA largeAAAFix
Aaon white
17.51:1passpasspassPasses AAA — no fix needed.
Aaon black
1.2:1failfailfail
  • AA: use #4274d1 as the text (4.65:1)
  • AAA: use #6f95dc as the text (7.01:1)
  • AA: or shift the background to #828282 (4.56:1)
  • AAA: or shift the background to #a6a6a6 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0c1931 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

#0c1931 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0c1931
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 #0c1931 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c1931-9ca5c4-df664e-211f2d-e9f0f1?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