Color

#011303

#011303
hex#011303
rgbrgb(1, 19, 3)
hslhsl(127, 90%, 4%)
oklchoklch(0.164 0.046 146.4)
Closest name: Cosmic Bit Flip (#001000)Relative luminance 0.0048

Tints & shades

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

Harmonies

Complementary

Open in tool →

#130111

#081301 · #01130c

#030113 · #130301

Split-complementary

Open in tool →

#0c0113 · #130108

#010813 · #130111 · #130c01

Contrast

#011303 as textRatioAAAA largeAAAFix
Aaon white
19.16:1passpasspassPasses AAA — no fix needed.
Aaon black
1.1:1failfailfail
  • AA: use #078816 as the text (4.54:1)
  • AAA: use #09ae1c as the text (7.08:1)
  • AA: or shift the background to #7d7d7d (4.66:1)
  • AAA: or shift the background to #9e9e9e (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 #011303 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#011303 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #011303
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 #011303 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/011303-a2bea8-aa4edf-1f2d27-ecf1e9?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