Color

#28323e

#28323e
hex#28323e
rgbrgb(40, 50, 62)
hslhsl(213, 22%, 20%)
oklchoklch(0.313 0.026 253.2)
Closest name: Blue Whale (#1e3442)Relative luminance 0.0308

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3e3428

#283d3e · #29283e

#3e2832 · #323e28

Split-complementary

Open in tool →

#3e2928 · #3d3e28

#3e283d · #3e3428 · #283e29

Contrast

#28323e as textRatioAAAA largeAAAFix
Aaon white
12.99:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #5f7895 as the text (4.61:1)
  • AAA: use #8397af as the text (7.01:1)
  • AA: or shift the background to #999999 (4.56:1)
  • AAA: or shift the background to #bfbfbf (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28323e as the background.

Brands using this color

Fonts for this mood

#28323e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28323e
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 #28323e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28323e-9ca9c4-df584e-1f202d-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