Color

#001903

#001903
hex#001903
rgbrgb(0, 25, 3)
hslhsl(127, 100%, 5%)
oklchoklch(0.186 0.057 146.1)
Closest name: Cosmic Bit Flip (#001000)Relative luminance 0.007

Tints & shades

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

Harmonies

Complementary

Open in tool →

#190017

#0a1900 · #001910

#030019 · #190300

Split-complementary

Open in tool →

#100019 · #19000a

#000a19 · #190017 · #191000

Contrast

#001903 as textRatioAAAA largeAAAFix
Aaon white
18.42:1passpasspassPasses AAA — no fix needed.
Aaon black
1.14:1failfailfail
  • AA: use #008a10 as the text (4.64:1)
  • AAA: use #00b315 as the text (7.46:1)
  • AA: or shift the background to #808080 (4.66:1)
  • AAA: or shift the background to #a1a1a1 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #001903 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

#001903 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #001903
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 #001903 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/001903-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