Color

#02403c

#02403c
hex#02403c
rgbrgb(2, 64, 60)
hslhsl(176, 94%, 13%)
oklchoklch(0.335 0.057 187.8)
Closest name: Rich Black (#004040)Relative luminance 0.0401

Tints & shades

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

Harmonies

Complementary

Open in tool →

#400206

#02401d · #022540

#3c0240 · #403c02

Split-complementary

Open in tool →

#400225 · #401d02

#1d0240 · #400206 · #254002

Contrast

#02403c as textRatioAAAA largeAAAFix
Aaon white
11.66:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #04867d as the text (4.71:1)
  • AAA: use #05a89d as the text (7.09:1)
  • AA: or shift the background to #a1a1a1 (4.51:1)
  • AAA: or shift the background to #c9c9c9 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #02403c as the background.

Brands using this color

Fonts for this mood

#02403c reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #02403c
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 #02403c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/02403c-a2bdbe-d4599d-1f282d-e9f1ed?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