Color

#133003

#133003
hex#133003
rgbrgb(19, 48, 3)
hslhsl(99, 88%, 10%)
oklchoklch(0.276 0.078 136.7)
Closest name: Dark Serpent (#113311)Relative luminance 0.0226

Tints & shades

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

Harmonies

Complementary

Open in tool →

#200330

#293003 · #03300a

#031330 · #300313

Split-complementary

Open in tool →

#0a0330 · #300329

#032930 · #200330 · #300a03

Contrast

#133003 as textRatioAAAA largeAAAFix
Aaon white
14.46:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #358609 as the text (4.57:1)
  • AAA: use #44ad0b as the text (7.23:1)
  • AA: or shift the background to #919191 (4.59:1)
  • AAA: or shift the background to #b5b5b5 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #133003 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

#133003 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #133003
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 #133003 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/133003-a8bea2-664edf-1f2d21-f0f1e9?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