Color

#05101e

#05101e
hex#05101e
rgbrgb(5, 16, 30)
hslhsl(214, 71%, 7%)
oklchoklch(0.171 0.034 253.5)
Closest name: Midnight Edition (#0c121b)Relative luminance 0.005

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f1405

#051d1f · #07051f

#1f0510 · #101f05

Split-complementary

Open in tool →

#1f0705 · #1d1f05

#1f051d · #1f1405 · #051f07

Contrast

#05101e as textRatioAAAA largeAAAFix
Aaon white
19.1:1passpasspassPasses AAA — no fix needed.
Aaon black
1.1:1failfailfail
  • AA: use #2573da as the text (4.54:1)
  • AAA: use #5e98e4 as the text (7.09:1)
  • AA: or shift the background to #7d7d7d (4.64:1)
  • AAA: or shift the background to #9e9e9e (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #05101e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#05101e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #05101e
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 #05101e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/05101e-9ca9c4-df5a4e-1f1f2d-e9f0f1?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