Color

#030d11

#030d11
hex#030d11
rgbrgb(3, 13, 17)
hslhsl(197, 70%, 4%)
oklchoklch(0.15 0.02 221.5)
Closest name: Black Knight (#010b13)Relative luminance 0.0035

Tints & shades

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

Harmonies

Complementary

Open in tool →

#110703

#03110e · #030611

#11030d · #0d1103

Split-complementary

Open in tool →

#110306 · #110e03

#0e0311 · #110703 · #061103

Contrast

#030d11 as textRatioAAAA largeAAAFix
Aaon white
19.63:1passpasspassPasses AAA — no fix needed.
Aaon black
1.07:1failfailfail
  • AA: use #1d7ea5 as the text (4.58:1)
  • AAA: use #25a0d0 as the text (7.02:1)
  • AA: or shift the background to #7a7a7a (4.57:1)
  • AAA: or shift the background to #9c9c9c (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #030d11 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#030d11 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #030d11
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 #030d11 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030d11-9cb4c4-df4e6b-1f232d-e9f1ef?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