Color

#152228

#152228
hex#152228
rgbrgb(21, 34, 40)
hslhsl(199, 31%, 12%)
oklchoklch(0.243 0.021 228.4)
Closest name: Sunken Ship (#10252a)Relative luminance 0.0146

Tints & shades

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

Harmonies

Complementary

Open in tool →

#281b15

#152825 · #151928

#281522 · #222815

Split-complementary

Open in tool →

#281519 · #282515

#251528 · #281b15 · #192815

Contrast

#152228 as textRatioAAAA largeAAAFix
Aaon white
16.26:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #4d7d93 as the text (4.67:1)
  • AAA: use #6c9cb2 as the text (7.04:1)
  • AA: or shift the background to #878787 (4.53:1)
  • AAA: or shift the background to #ababab (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 #152228 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#152228 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #152228
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 #152228 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/152228-9cb3c4-df4e66-1f232d-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