Color

#023f41

#023f41
hex#023f41
rgbrgb(2, 63, 65)
hslhsl(182, 94%, 13%)
oklchoklch(0.334 0.056 198.4)
Closest name: Rich Black (#004040)Relative luminance 0.0395

Tints & shades

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

Harmonies

Complementary

Open in tool →

#400402

#024023 · #021f40

#40023e · #3e4002

Split-complementary

Open in tool →

#40021f · #402302

#230240 · #400402 · #1f4002

Contrast

#023f41 as textRatioAAAA largeAAAFix
Aaon white
11.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.79:1failfailfail
  • AA: use #04868b as the text (4.79:1)
  • AAA: use #05a8ad as the text (7.21:1)
  • AA: or shift the background to #a1a1a1 (4.54:1)
  • AAA: or shift the background to #c9c9c9 (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 #023f41 as the background.

Brands using this color

Fonts for this mood

#023f41 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #023f41
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 #023f41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/023f41-a2babe-d45990-1f272d-e9f1ee?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