Color

#03011d

#03011d
hex#03011d
rgbrgb(3, 1, 29)
hslhsl(244, 93%, 6%)
oklchoklch(0.116 0.065 276.4)
Closest name: Obsidian Shard (#060313)Relative luminance 0.0013

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1c1e01

#010d1e · #11011e

#1e0301 · #011e03

Split-complementary

Open in tool →

#1e1101 · #0d1e01

#1e010d · #1c1e01 · #011e11

Contrast

#03011d as textRatioAAAA largeAAAFix
Aaon white
20.47:1passpasspassPasses AAA — no fix needed.
Aaon black
1.03:1failfailfail
  • AA: use #675df9 as the text (4.51:1)
  • AAA: use #9089fb as the text (7.16:1)
  • AA: or shift the background to #787878 (4.64:1)
  • AAA: or shift the background to #999999 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03011d 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

#03011d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03011d
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 #03011d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03011d-a39cc4-dfa24e-261f2d-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