Color

#150316

#150316
hex#150316
rgbrgb(21, 3, 22)
hslhsl(297, 76%, 5%)
oklchoklch(0.148 0.051 325.9)
Closest name: Crow (#180614)Relative luminance 0.0028

Tints & shades

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

Harmonies

Complementary

Open in tool →

#041603

#0c0316 · #16030e

#161503 · #031615

Split-complementary

Open in tool →

#0e1603 · #03160c

#160c03 · #041603 · #030e16

Contrast

#150316 as textRatioAAAA largeAAAFix
Aaon white
19.88:1passpasspassPasses AAA — no fix needed.
Aaon black
1.06:1failfailfail
  • AA: use #ca1dd3 as the text (4.63:1)
  • AAA: use #e362ea as the text (7.2:1)
  • AA: or shift the background to #787878 (4.5:1)
  • AAA: or shift the background to #9c9c9c (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #150316 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

#150316 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #150316
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 #150316 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/150316-c19fbe-9acb62-2d1f28-ede9f1?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