Color

#1c101e

#1c101e
hex#1c101e
rgbrgb(28, 16, 30)
hslhsl(291, 30%, 9%)
oklchoklch(0.196 0.033 321.6)
Closest name: Shot in the Dark (#1d0d1d)Relative luminance 0.0071

Tints & shades

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

Harmonies

Complementary

Open in tool →

#121e10

#15101e · #1e1019

#1e1c10 · #101e1c

Split-complementary

Open in tool →

#191e10 · #101e15

#1e1510 · #121e10 · #10191e

Contrast

#1c101e as textRatioAAAA largeAAAFix
Aaon white
18.38:1passpasspassPasses AAA — no fix needed.
Aaon black
1.14:1failfailfail
  • AA: use #9c5da8 as the text (4.54:1)
  • AAA: use #b688bf as the text (7.26:1)
  • AA: or shift the background to #808080 (4.66:1)
  • AAA: or shift the background to #a1a1a1 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1c101e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1c101e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1c101e
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 #1c101e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c101e-bf9fc1-a4cb62-2d1f29-ece9f1?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