Color

#00011f

#00011f
hex#00011f
rgbrgb(0, 1, 31)
hslhsl(238, 100%, 6%)
oklchoklch(0.114 0.071 264.2)
Closest name: Midnight (#03012d)Relative luminance 0.0012

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f1e00

#00101f · #0e001f

#1f0001 · #011f00

Split-complementary

Open in tool →

#1f0e00 · #101f00

#1f0010 · #1f1e00 · #001f0e

Contrast

#00011f as textRatioAAAA largeAAAFix
Aaon white
20.51:1passpasspassPasses AAA — no fix needed.
Aaon black
1.02:1failfailfail
  • AA: use #5c61ff as the text (4.61:1)
  • AAA: use #8589ff as the text (7.02:1)
  • AA: or shift the background to #787878 (4.64:1)
  • AAA: or shift the background to #999999 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #00011f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#00011f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #00011f
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 #00011f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/00011f-9f9cc4-df944e-251f2d-e9edf1?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