Color

#06151e

#06151e
hex#06151e
rgbrgb(6, 21, 30)
hslhsl(203, 67%, 7%)
oklchoklch(0.187 0.028 236.2)
Closest name: Midnight Edition (#0c121b)Relative luminance 0.0067

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1e0f06

#061e1b · #06091e

#1e0615 · #151e06

Split-complementary

Open in tool →

#1e0609 · #1e1b06

#1b061e · #1e0f06 · #091e06

Contrast

#06151e as textRatioAAAA largeAAAFix
Aaon white
18.52:1passpasspassPasses AAA — no fix needed.
Aaon black
1.13:1failfailfail
  • AA: use #237cb3 as the text (4.61:1)
  • AAA: use #3f9ed9 as the text (7.1:1)
  • AA: or shift the background to #808080 (4.69:1)
  • AAA: or shift the background to #a1a1a1 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #06151e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#06151e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #06151e
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 #06151e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/06151e-9cb0c4-df4e5d-1f222d-e9f1f0?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