Indigo SaaS
Open in tool →The dependable indigo-and-emerald B2B pairing: indigo for primary actions, emerald reserved for success states.
Color
#5743ef
#5743ef
hex
#5743efrgb
rgb(87, 67, 239)hsl
hsl(247, 84%, 60%)oklch
oklch(0.521 0.243 279)Closest name: Meteor Shower (#5533ff)Relative luminance 0.1227
Colors that go with #5743ef
Charcoal, Sea Green and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #5743ef: softer than #000 and cool enough to feel like part of the same palette.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #5743ef — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Blue #0000ff
shippedBlue is paired with #5743ef in 5 real palettes, including Signal's brand system and Headspace's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Cobalt Blue #0047ab
shippedCobalt Blue is paired with #5743ef in 6 real palettes, including NHL's brand system and Nivea's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Cornflower Blue #6495ed
shippedCornflower Blue is paired with #5743ef in 4 real palettes, including Qualcomm's brand system and Webflow's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #5743ef in 8 real palettes, including Coinbase's brand system and Toyota's brand system — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #5743ef in 4 real palettes, including Chase's brand system and Pixar's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #5743ef in 6 real palettes, including Discord's brand system and Telehealth, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #5743ef
Tints & shades
Harmonies
Contrast
| #5743ef as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.08:1 | pass | pass | fail |
|
Aaon black | 3.45:1 | fail | pass | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5743ef as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
Fonts for this mood
#5743ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #5743ef
live endpointPoint any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #5743ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/5743ef-a59cc4-dfaa4e-271f2d-e9ecf1?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md