brandsweets

Brand color

Railway Primary

#13044c
hex#13044c
rgbrgb(19, 4, 76)
hslhsl(252, 90%, 16%)
oklchoklch(0.21 0.119 279)
From Railway brand colorsRelative luminance 0.0075
CoolVividDarkTechnicalModernLuxuryBold
Open in palette toolCheck contrast

Railway 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 1 public brand that uses 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 →
13044c3f4e04

#3f4e04

Analogous

Open in tool →
13044c041a4e37044e

#041a4e · #37044e

Triadic

Open in tool →
13044c4e1304044e13

#4e1304 · #044e13

Split-complementary

Open in tool →
13044c4e37041a4e04

#4e3704 · #1a4e04

Tetradic

Open in tool →
13044c4e041a3f4e04044e37

#4e041a · #3f4e04 · #044e37

Contrast

Railway Primary as textRatioAAAA largeAAAFix
Aaon white
18.27:1passpasspassPasses AAA — no fix needed.
Aaon black
1.15:1failfailfail
  • AA: use #795af6 as the text (4.61:1)
  • AAA: use #9d86f9 as the text (7.21:1)
  • AA: or shift the background to #808080 (4.63:1)
  • AAA: or shift the background to #a1a1a1 (7.07:1)

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

Brands using this color

Fonts for this mood

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

Technical fonts →Modern fonts →Luxury fonts →Bold fonts →
mcpConnect your agent — build around Railway 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 #13044c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/13044c-a99cc4-dfb64e-281f2d-e9ecf1?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