Color

#01151d

#01151d
hex#01151d
rgbrgb(1, 21, 29)
hslhsl(197, 93%, 6%)
oklchoklch(0.183 0.033 225.1)
Closest name: Midnight Edition (#0c121b)Relative luminance 0.0063

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1e0901

#011e17 · #01071e

#1e0115 · #151e01

Split-complementary

Open in tool →

#1e0107 · #1e1701

#17011e · #1e0901 · #071e01

Contrast

#01151d as textRatioAAAA largeAAAFix
Aaon white
18.65:1passpasspassPasses AAA — no fix needed.
Aaon black
1.13:1failfailfail
  • AA: use #067dac as the text (4.54:1)
  • AAA: use #08a1dd as the text (7.15:1)
  • AA: or shift the background to #7d7d7d (4.53:1)
  • AAA: or shift the background to #a1a1a1 (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #01151d as the background.

Brands using this color

Fonts for this mood

#01151d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #01151d
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 #01151d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01151d-9cb4c4-df4e6b-1f232d-e9f1ef?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