Color

#0153df

#0153df
hex#0153df
rgbrgb(1, 83, 223)
hslhsl(218, 99%, 44%)
oklchoklch(0.499 0.224 261.6)
Closest name: C64 Blue (#003aff)Relative luminance 0.1152

Tints & shades

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

Harmonies

Complementary

Open in tool →

#df8e01

#01c2df · #1f01df

#df0153 · #53df01

Split-complementary

Open in tool →

#df1f01 · #c2df01

#df01c2 · #df8e01 · #01df1f

Contrast

#0153df as textRatioAAAA largeAAAFix
Aaon white
6.36:1passpassfail
  • AAA: use #014dd0 as the text (7.06:1)
Aaon black
3.3:1failpassfail
  • AA: use #166bfe as the text (4.57:1)
  • AAA: use #5895fe as the text (7.15:1)
  • AA: or shift the background to #d9d9d9 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0153df as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0153df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0153df
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 #0153df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0153df-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