brandsweets

Brand color

Docker Primary

#2c333f
hex#2c333f
rgbrgb(44, 51, 63)
hslhsl(218, 18%, 21%)
oklchoklch(0.32 0.024 261.2)
From Docker brand colorsRelative luminance 0.0326
CoolMutedDarkLuxuryBold
Open in palette toolCheck contrast

Docker Primary on this page is the real value, not a screenshot: exact hex, RGB, HSL and OKLCH, ten tints and ten shades, classic harmonies, and WCAG contrast with fixes — plus the 4 public brands that use it and the palettes it appears in.

Tints & shades

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

Harmonies

Complementary

Open in tool →
2c333f3f382c

#3f382c

Analogous

Open in tool →
2c333f2c3d3f2e2c3f

#2c3d3f · #2e2c3f

Triadic

Open in tool →
2c333f3f2c33333f2c

#3f2c33 · #333f2c

Split-complementary

Open in tool →
2c333f3f2e2c3d3f2c

#3f2e2c · #3d3f2c

Tetradic

Open in tool →
2c333f3f2c3d3f382c2c3f2e

#3f2c3d · #3f382c · #2c3f2e

Contrast

Docker Primary as textRatioAAAA largeAAAFix
Aaon white
12.71:1passpasspassPasses AAA — no fix needed.
Aaon black
1.65:1failfailfail
  • AA: use #667793 as the text (4.63:1)
  • AAA: use #8a97ad as the text (7.11:1)
  • AA: or shift the background to #9c9c9c (4.63:1)
  • AAA: or shift the background to #c2c2c2 (7.13:1)

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

Brands using this color

Fonts for this mood

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

Luxury fonts →Bold fonts →
mcpConnect your agent — build around Docker Primary
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 #2c333f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c333f-9ca6c4-df644e-201f2d-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