Color

#282131

#282131
hex#282131
rgbrgb(40, 33, 49)
hslhsl(266, 20%, 16%)
oklchoklch(0.263 0.031 304.3)
Closest name: Black Velvet (#222233)Relative luminance 0.0176

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2a3121

#212231 · #302131

#312821 · #213128

Split-complementary

Open in tool →

#313021 · #223121

#312122 · #2a3121 · #213130

Contrast

#282131 as textRatioAAAA largeAAAFix
Aaon white
15.53:1passpasspassPasses AAA — no fix needed.
Aaon black
1.35:1failfailfail
  • AA: use #816c9d as the text (4.57:1)
  • AAA: use #a191b6 as the text (7.24:1)
  • AA: or shift the background to #8c8c8c (4.62:1)
  • AAA: or shift the background to #b0b0b0 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #282131 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#282131 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #282131
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 #282131 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/282131-b29cc4-dfd74e-2b1f2d-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