Color

#220b28

#220b28
hex#220b28
rgbrgb(34, 11, 40)
hslhsl(288, 57%, 10%)
oklchoklch(0.202 0.062 318.9)
Closest name: Shot in the Dark (#1d0d1d)Relative luminance 0.0073

Tints & shades

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

Harmonies

Complementary

Open in tool →

#11280b

#140b28 · #280b1f

#28220b · #0b2822

Split-complementary

Open in tool →

#1f280b · #0b2814

#28140b · #11280b · #0b1f28

Contrast

#220b28 as textRatioAAAA largeAAAFix
Aaon white
18.32:1passpasspassPasses AAA — no fix needed.
Aaon black
1.15:1failfailfail
  • AA: use #b043cb as the text (4.51:1)
  • AAA: use #c677da as the text (7.05:1)
  • AA: or shift the background to #808080 (4.64:1)
  • AAA: or shift the background to #a1a1a1 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #220b28 as the background.

Brands using this color

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

Fonts for this mood

#220b28 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #220b28
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 #220b28 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/220b28-be9fc1-aacb62-2d1f2a-ece9f1?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