Color

#040312

#040312
hex#040312
rgbrgb(4, 3, 18)
hslhsl(244, 71%, 4%)
oklchoklch(0.114 0.038 283.3)
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 →

#101103

#030911 · #0b0311

#110403 · #031104

Split-complementary

Open in tool →

#110b03 · #091103

#110309 · #101103 · #03110b

Contrast

#040312 as textRatioAAAA largeAAAFix
Aaon white
20.45:1passpasspassPasses AAA — no fix needed.
Aaon black
1.03:1failfailfail
  • AA: use #6f66e5 as the text (4.71:1)
  • AAA: use #948eec as the text (7.34:1)
  • AA: or shift the background to #787878 (4.63:1)
  • 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 #040312 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

#040312 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #040312
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 #040312 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/040312-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