Color

Dark Knight

#151931
hex#151931
rgbrgb(21, 25, 49)
hslhsl(231, 40%, 14%)
oklchoklch(0.223 0.047 274.8)
Relative luminance 0.0108

Tints & shades

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

Harmonies

Complementary

Open in tool →

#322e15

#152832 · #1f1532

#32151a · #1a3215

Split-complementary

Open in tool →

#321f15 · #283215

#321528 · #322e15 · #15321f

Contrast

Dark Knight as textRatioAAAA largeAAAFix
Aaon white
17.28:1passpasspassPasses AAA — no fix needed.
Aaon black
1.22:1failfailfail
  • AA: use #626fbc as the text (4.52:1)
  • AAA: use #8993cd as the text (7.12:1)
  • AA: or shift the background to #858585 (4.68:1)
  • AAA: or shift the background to #a6a6a6 (7.1:1)

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

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

Dark Knight reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around Dark Knight
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 #151931 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/151931-9c9ec4-df834e-231f2d-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