Color

#1f3333

#1f3333
hex#1f3333
rgbrgb(31, 51, 51)
hslhsl(180, 24%, 16%)
oklchoklch(0.304 0.026 195.9)
Closest name: Elite Teal (#133337)Relative luminance 0.029

Tints & shades

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

Harmonies

Complementary

Open in tool →

#331f1f

#1f3329 · #1f2933

#331f33 · #33331f

Split-complementary

Open in tool →

#331f29 · #33291f

#291f33 · #331f1f · #29331f

Contrast

#1f3333 as textRatioAAAA largeAAAFix
Aaon white
13.29:1passpasspassPasses AAA — no fix needed.
Aaon black
1.58:1failfailfail
  • AA: use #4e7e7e as the text (4.61:1)
  • AAA: use #64a0a0 as the text (7.08:1)
  • AA: or shift the background to #999999 (4.67:1)
  • AAA: or shift the background to #bdbdbd (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f3333 as the background.

Brands using this color

Fonts for this mood

#1f3333 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f3333
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 #1f3333 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f3333-a2bbbe-d45994-1f272d-e9f1ed?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