Color

#030a2b

#030a2b
hex#030a2b
rgbrgb(3, 10, 43)
hslhsl(230, 87%, 9%)
oklchoklch(0.164 0.068 266.3)
Closest name: Mysterious Depths (#060929)Relative luminance 0.0041

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2b2403

#031e2b · #10032b

#2b030a · #0a2b03

Split-complementary

Open in tool →

#2b1003 · #1e2b03

#2b031e · #2b2403 · #032b10

Contrast

#030a2b as textRatioAAAA largeAAAFix
Aaon white
19.41:1passpasspassPasses AAA — no fix needed.
Aaon black
1.08:1failfailfail
  • AA: use #4f6af3 as the text (4.69:1)
  • AAA: use #798ef6 as the text (7.01:1)
  • AA: or shift the background to #7a7a7a (4.52:1)
  • AAA: or shift the background to #9c9c9c (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #030a2b as the background.

Brands using this color

Fonts for this mood

#030a2b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #030a2b
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 #030a2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030a2b-9c9ec4-df814e-231f2d-e9eef1?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