Color

#01031e

#01031e
hex#01031e
rgbrgb(1, 3, 30)
hslhsl(236, 94%, 6%)
oklchoklch(0.123 0.062 267)
Closest name: Obsidian Shard (#060313)Relative luminance 0.0017

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1e1c01

#01111e · #0d011e

#1e0103 · #031e01

Split-complementary

Open in tool →

#1e0d01 · #111e01

#1e0111 · #1e1c01 · #011e0d

Contrast

#01031e as textRatioAAAA largeAAAFix
Aaon white
20.33:1passpasspassPasses AAA — no fix needed.
Aaon black
1.03:1failfailfail
  • AA: use #5762fa as the text (4.53:1)
  • AAA: use #838bfb as the text (7.05:1)
  • AA: or shift the background to #787878 (4.6:1)
  • AAA: or shift the background to #999999 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #01031e 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

#01031e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #01031e
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 #01031e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01031e-9e9cc4-df8f4e-241f2d-e9eef1?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