Color

#030c2b

#030c2b
hex#030c2b
rgbrgb(3, 12, 43)
hslhsl(227, 87%, 9%)
oklchoklch(0.169 0.065 264.7)
Closest name: Mysterious Depths (#060929)Relative luminance 0.0046

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2b2203

#03202b · #0e032b

#2b030c · #0c2b03

Split-complementary

Open in tool →

#2b0e03 · #202b03

#2b0320 · #2b2203 · #032b0e

Contrast

#030c2b as textRatioAAAA largeAAAFix
Aaon white
19.24:1passpasspassPasses AAA — no fix needed.
Aaon black
1.09:1failfailfail
  • AA: use #456bf2 as the text (4.64:1)
  • AAA: use #7591f5 as the text (7.13:1)
  • AA: or shift the background to #7d7d7d (4.67:1)
  • AAA: or shift the background to #9c9c9c (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 #030c2b as the background.

Brands using this color

Fonts for this mood

#030c2b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #030c2b
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 #030c2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030c2b-9ca0c4-df7a4e-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