Color

#151e2d

#151e2d
hex#151e2d
rgbrgb(21, 30, 45)
hslhsl(218, 36%, 13%)
oklchoklch(0.234 0.032 260.4)
Closest name: Dark Knight (#151931)Relative luminance 0.0128

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2d2415

#152a2d · #18152d

#2d151e · #1e2d15

Split-complementary

Open in tool →

#2d1815 · #2a2d15

#2d152a · #2d2415 · #152d18

Contrast

#151e2d as textRatioAAAA largeAAAFix
Aaon white
16.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #5576af as the text (4.6:1)
  • AAA: use #7f98c3 as the text (7.18:1)
  • AA: or shift the background to #858585 (4.53:1)
  • AAA: or shift the background to #a8a8a8 (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 #151e2d as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#151e2d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #151e2d
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 #151e2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/151e2d-9ca6c4-df644e-201f2d-e9f0f1?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