Color

#1d192a

#1d192a
hex#1d192a
rgbrgb(29, 25, 42)
hslhsl(254, 25%, 13%)
oklchoklch(0.227 0.033 294.4)
Closest name: Dark Knight (#151931)Relative luminance 0.0112

Tints & shades

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

Harmonies

Complementary

Open in tool →

#262919

#191d29 · #251929

#291d19 · #19291d

Split-complementary

Open in tool →

#292519 · #1d2919

#29191d · #262919 · #192925

Contrast

#1d192a as textRatioAAAA largeAAAFix
Aaon white
17.15:1passpasspassPasses AAA — no fix needed.
Aaon black
1.22:1failfailfail
  • AA: use #7a6ca7 as the text (4.53:1)
  • AAA: use #9a8fbc as the text (7.03:1)
  • AA: or shift the background to #858585 (4.65:1)
  • AAA: or shift the background to #a6a6a6 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d192a as the background.

Brands using this color

Fonts for this mood

#1d192a reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d192a
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 #1d192a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d192a-aa9cc4-dfbb4e-291f2d-e9ebf1?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