Color

#151e1a

#151e1a
hex#151e1a
rgbrgb(21, 30, 26)
hslhsl(153, 18%, 10%)
oklchoklch(0.225 0.015 166.1)
Closest name: Coco’s Black (#1c1c1a)Relative luminance 0.0116

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1e1519

#151e15 · #151e1e

#1a151e · #1e1a15

Split-complementary

Open in tool →

#1e151e · #1e1515

#15151e · #1e1519 · #1e1e15

Contrast

#151e1a as textRatioAAAA largeAAAFix
Aaon white
17.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.23:1failfailfail
  • AA: use #587e6d as the text (4.62:1)
  • AAA: use #759f8c as the text (7.09:1)
  • AA: or shift the background to #858585 (4.62:1)
  • AAA: or shift the background to #a8a8a8 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #151e1a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#151e1a reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #151e1a
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 #151e1a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/151e1a-a2beb5-d459cc-1f2d2d-e9f1ea?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