Color

#01019d

#01019d
hex#01019d
rgbrgb(1, 1, 157)
hslhsl(240, 99%, 31%)
oklchoklch(0.316 0.217 264.3)
Closest name: Everlasting Night (#000099)Relative luminance 0.0246

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9d9d01

#014f9d · #4f019d

#9d0101 · #019d01

Split-complementary

Open in tool →

#9d4f01 · #4f9d01

#9d014f · #9d9d01 · #019d4f

Contrast

#01019d as textRatioAAAA largeAAAFix
Aaon white
14.07:1passpasspassPasses AAA — no fix needed.
Aaon black
1.49:1failfailfail
  • AA: use #6262fe as the text (4.7:1)
  • AAA: use #8a8afe as the text (7.15:1)
  • AA: or shift the background to #949494 (4.64:1)
  • AAA: or shift the background to #b8b8b8 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #01019d 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

#01019d reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #01019d
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 #01019d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01019d-a19cc4-df994e-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