Color

#135303

#135303
hex#135303
rgbrgb(19, 83, 3)
hslhsl(108, 93%, 17%)
oklchoklch(0.387 0.124 140.6)
Closest name: Forest (#0b5509)Relative luminance 0.0633

Colors that go with #135303

Blue, Emerald Green and Taupe lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#440354

#3b5403 · #03541b

#031354 · #540313

Split-complementary

Open in tool →

#1b0354 · #54033b

#033b54 · #440354 · #541b03

Contrast

#135303 as textRatioAAAA largeAAAFix
Aaon white
9.27:1passpasspassPasses AAA — no fix needed.
Aaon black
2.27:1failfailfail
  • AA: use #208a05 as the text (4.7:1)
  • AAA: use #29b106 as the text (7.39:1)
  • AA: or shift the background to #b5b5b5 (4.52:1)
  • AAA: or shift the background to #e0e0e0 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #135303 as the background.

Brands using this color

Fonts for this mood

#135303 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #135303
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #135303 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/135303-a4bea2-7c4edf-1f2d23-eff1e9?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