Color

#191e2a

#191e2a
hex#191e2a
rgbrgb(25, 30, 42)
hslhsl(222, 25%, 13%)
oklchoklch(0.236 0.024 267)
Closest name: Night Demons (#201b20)Relative luminance 0.013

Tints & shades

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

Harmonies

Complementary

Open in tool →

#292419

#192629 · #1c1929

#29191e · #1e2919

Split-complementary

Open in tool →

#291c19 · #262919

#291926 · #292419 · #19291c

Contrast

#191e2a as textRatioAAAA largeAAAFix
Aaon white
16.66:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #6376a1 as the text (4.64:1)
  • AAA: use #8997b8 as the text (7.18:1)
  • AA: or shift the background to #858585 (4.51:1)
  • AAA: or shift the background to #a8a8a8 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #191e2a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#191e2a reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #191e2a
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 #191e2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/191e2a-9ca3c4-df6e4e-211f2d-e9eff1?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