Color

#0d301f

#0d301f
hex#0d301f
rgbrgb(13, 48, 31)
hslhsl(151, 57%, 12%)
oklchoklch(0.278 0.051 159)
Closest name: Pitch-Black Forests (#003322)Relative luminance 0.023

Tints & shades

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

Harmonies

Complementary

Open in tool →

#300d1e

#0d300e · #0d2f30

#1f0d30 · #301f0d

Split-complementary

Open in tool →

#300d2f · #300e0d

#0e0d30 · #300d1e · #2f300d

Contrast

#0d301f as textRatioAAAA largeAAAFix
Aaon white
14.39:1passpasspassPasses AAA — no fix needed.
Aaon black
1.46:1failfailfail
  • AA: use #248456 as the text (4.51:1)
  • AAA: use #2fac70 as the text (7.26:1)
  • AA: or shift the background to #919191 (4.56:1)
  • AAA: or shift the background to #b5b5b5 (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 #0d301f 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

#0d301f reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d301f
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 #0d301f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d301f-a2beb4-d459d0-1f2d2c-e9f1ea?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