Color

#1e151b

#1e151b
hex#1e151b
rgbrgb(30, 21, 27)
hslhsl(320, 18%, 10%)
oklchoklch(0.21 0.018 338.9)
Closest name: Bats Cloak (#1f1518)Relative luminance 0.0089

Tints & shades

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

Harmonies

Complementary

Open in tool →

#151e18

#1d151e · #1e1516

#1b1e15 · #151b1e

Split-complementary

Open in tool →

#161e15 · #151e1d

#1e1d15 · #151e18 · #15161e

Contrast

#1e151b as textRatioAAAA largeAAAFix
Aaon white
17.82:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #966987 as the text (4.67:1)
  • AAA: use #b08da4 as the text (7.19:1)
  • AA: or shift the background to #808080 (4.51:1)
  • AAA: or shift the background to #a3a3a3 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1e151b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1e151b reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e151b
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 #1e151b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e151b-c19fb2-72cb62-2d1f23-f0e9f1?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