Color

#030a17

#030a17
hex#030a17
rgbrgb(3, 10, 23)
hslhsl(219, 77%, 5%)
oklchoklch(0.144 0.032 256.8)
Closest name: Dark Rift (#060b14)Relative luminance 0.003

Tints & shades

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

Harmonies

Complementary

Open in tool →

#171003

#031417 · #060317

#17030a · #0a1703

Split-complementary

Open in tool →

#170603 · #141703

#170314 · #171003 · #031706

Contrast

#030a17 as textRatioAAAA largeAAAFix
Aaon white
19.82:1passpasspassPasses AAA — no fix needed.
Aaon black
1.06:1failfailfail
  • AA: use #2f6fe4 as the text (4.51:1)
  • AAA: use #6694eb as the text (7:1)
  • AA: or shift the background to #7a7a7a (4.62:1)
  • AAA: or shift the background to #9c9c9c (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #030a17 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

#030a17 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #030a17
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 #030a17 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030a17-9ca5c4-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