Color

#0d121c

#0d121c
hex#0d121c
rgbrgb(13, 18, 28)
hslhsl(220, 37%, 8%)
oklchoklch(0.182 0.022 263.8)
Closest name: Midnight Edition (#0c121b)Relative luminance 0.006

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1c170d

#0d191c · #0f0d1c

#1c0d12 · #121c0d

Split-complementary

Open in tool →

#1c0f0d · #191c0d

#1c0d19 · #1c170d · #0d1c0f

Contrast

#0d121c as textRatioAAAA largeAAAFix
Aaon white
18.74:1passpasspassPasses AAA — no fix needed.
Aaon black
1.12:1failfailfail
  • AA: use #5776b2 as the text (4.64:1)
  • AAA: use #8198c5 as the text (7.23:1)
  • AA: or shift the background to #7d7d7d (4.55:1)
  • AAA: or shift the background to #a1a1a1 (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d121c as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0d121c reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d121c
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 #0d121c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d121c-9ca5c4-df694e-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