Color

#152d2b

#152d2b
hex#152d2b
rgbrgb(21, 45, 43)
hslhsl(175, 36%, 13%)
oklchoklch(0.277 0.03 188.6)
Closest name: Black Box (#0f282f)Relative luminance 0.0221

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2d1517

#152d1f · #15232d

#2b152d · #2d2b15

Split-complementary

Open in tool →

#2d1523 · #2d1f15

#1f152d · #2d1517 · #232d15

Contrast

#152d2b as textRatioAAAA largeAAAFix
Aaon white
14.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.44:1failfailfail
  • AA: use #3c807b as the text (4.57:1)
  • AAA: use #4da39c as the text (7.03:1)
  • AA: or shift the background to #8f8f8f (4.5:1)
  • AAA: or shift the background to #b5b5b5 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #152d2b as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#152d2b reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #152d2b
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 #152d2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/152d2b-a2bdbe-d4599f-1f282d-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