Color

#221a28

#221a28
hex#221a28
rgbrgb(34, 26, 40)
hslhsl(274, 21%, 13%)
oklchoklch(0.234 0.029 310.2)
Closest name: Night Demons (#201b20)Relative luminance 0.0123

Tints & shades

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

Harmonies

Complementary

Open in tool →

#20281a

#1b1a28 · #281a27

#28221a · #1a2822

Split-complementary

Open in tool →

#27281a · #1a281b

#281b1a · #20281a · #1a2728

Contrast

#221a28 as textRatioAAAA largeAAAFix
Aaon white
16.85:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #886b9e as the text (4.64:1)
  • AAA: use #a38db4 as the text (7.03:1)
  • AA: or shift the background to #858585 (4.57:1)
  • AAA: or shift the background to #a8a8a8 (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 #221a28 as the background.

Brands using this color

Fonts for this mood

#221a28 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #221a28
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 #221a28 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/221a28-b79cc4-c2cb62-2d1f2d-eae9f1?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