Color

#0237ca

#0237ca
hex#0237ca
rgbrgb(2, 55, 202)
hslhsl(224, 98%, 40%)
oklchoklch(0.43 0.229 263.7)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0701

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ca9502

#029bca · #3102ca

#ca0237 · #37ca02

Split-complementary

Open in tool →

#ca3102 · #9bca02

#ca029b · #ca9502 · #02ca31

Contrast

#0237ca as textRatioAAAA largeAAAFix
Aaon white
8.74:1passpasspassPasses AAA — no fix needed.
Aaon black
2.4:1failfailfail
  • AA: use #356afd as the text (4.63:1)
  • AAA: use #6d93fe as the text (7.25:1)
  • AA: or shift the background to #bababa (4.5:1)
  • AAA: or shift the background to #e6e6e6 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0237ca as the background.

Brands using this color

Fonts for this mood

#0237ca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0237ca
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 #0237ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0237ca-9ca2c4-df724e-221f2d-e9eff1?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