Color

#152129

#152129
hex#152129
rgbrgb(21, 33, 41)
hslhsl(204, 32%, 12%)
oklchoklch(0.24 0.023 238.1)
Closest name: Sunken Ship (#10252a)Relative luminance 0.0141

Tints & shades

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

Harmonies

Complementary

Open in tool →

#281d15

#152826 · #151728

#281521 · #212815

Split-complementary

Open in tool →

#281517 · #282615

#261528 · #281d15 · #172815

Contrast

#152129 as textRatioAAAA largeAAAFix
Aaon white
16.39:1passpasspassPasses AAA — no fix needed.
Aaon black
1.28:1failfailfail
  • AA: use #4e7a97 as the text (4.55:1)
  • AAA: use #729bb6 as the text (7.08:1)
  • AA: or shift the background to #878787 (4.56:1)
  • AAA: or shift the background to #ababab (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #152129 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#152129 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #152129
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 #152129 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/152129-9cafc4-df4e5a-1f222d-e9f1f0?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