Brand color

Stripe Blurple

#635bff

hex#635bff

rgbrgb(99, 91, 255)

hslhsl(243, 100%, 68%)

oklchoklch(0.578 0.235 278.3)

From Stripe brand colorsRelative luminance 0.1735

Cool Vivid Technical Modern

Open in palette tool Check contrast

Stripe Blurple 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 3 public brands that use it and the palettes it appears in.

Tints & shades

Tints — toward white

726bff 817aff 908aff 9e99ff ada8ff bbb8ff cac7ff d8d6ff e7e5ff f5f5ff

Shades — toward black

473dff 251aff 0c00fa 0b00d6 0900b8 080099 060075 040057 030033 010014

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

Harmonies

Complementary

Open in tool →

635bff f7ff5c

#f7ff5c

Analogous

Open in tool →

635bff 5ca5ff b65cff

#5ca5ff · #b65cff

Triadic

Open in tool →

635bff ff645c 5cff64

#ff645c · #5cff64

Split-complementary

Open in tool →

635bff ffb65c a5ff5c

#ffb65c · #a5ff5c

Tetradic

Open in tool →

635bff ff5ca5 f7ff5c 5cffb6

#ff5ca5 · #f7ff5c · #5cffb6

Contrast

Stripe Blurple as text	Ratio	AA	AA large	AAA	Fix
Aaon white	4.7:1	pass	pass	fail	AAA: use #3429ff as the text (7.22:1)
Aaon black	4.47:1	fail	pass	fail	AA: use #6961ff as the text (4.75:1) AAA: use #908aff as the text (7.27:1) AA: or shift the background to #fafafa (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 Stripe Blurple as the background.

Brands using this color

Fonts for this mood

Stripe Blurple reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →

mcpConnect your agent — build around Stripe Blurple

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 #635bff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/635bff-a39cc4-dfa04e-261f2d-e9edf1?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