Color

#281f32

#281f32
hex#281f32
rgbrgb(40, 31, 50)
hslhsl(268, 23%, 16%)
oklchoklch(0.259 0.037 305.7)
Closest name: Black Velvet (#222233)Relative luminance 0.0166

Tints & shades

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

Harmonies

Complementary

Open in tool →

#29321f

#1f2032 · #321f32

#32281f · #1f3228

Split-complementary

Open in tool →

#32321f · #20321f

#321f20 · #29321f · #1f3232

Contrast

#281f32 as textRatioAAAA largeAAAFix
Aaon white
15.76:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #856ca3 as the text (4.67:1)
  • AAA: use #a28eb8 as the text (7.1:1)
  • AA: or shift the background to #8a8a8a (4.57:1)
  • AAA: or shift the background to #adadad (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #281f32 as the background.

Brands using this color

Fonts for this mood

#281f32 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #281f32
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 #281f32 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/281f32-b39cc4-dfdc4e-2c1f2d-e9eaf1?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