Color

#15222e

#15222e
hex#15222e
rgbrgb(21, 34, 46)
hslhsl(209, 37%, 13%)
oklchoklch(0.246 0.029 247.1)
Closest name: Dark (#1b2431)Relative luminance 0.015

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2d2115

#152d2d · #15152d

#2d1522 · #222d15

Split-complementary

Open in tool →

#2d1515 · #2d2d15

#2d152d · #2d2115 · #152d15

Contrast

#15222e as textRatioAAAA largeAAAFix
Aaon white
16.15:1passpasspassPasses AAA — no fix needed.
Aaon black
1.3:1failfailfail
  • AA: use #4c79a4 as the text (4.58:1)
  • AAA: use #739abf as the text (7.1:1)
  • AA: or shift the background to #8a8a8a (4.68:1)
  • AAA: or shift the background to #ababab (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #15222e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#15222e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #15222e
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 #15222e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15222e-9cacc4-df4e4e-1f212d-e9f1f1?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