Indigo SaaS
Open in tool →The dependable indigo-and-emerald B2B pairing: indigo for primary actions, emerald reserved for success states.
Color
#5243db
#5243db
hex
#5243dbrgb
rgb(82, 67, 219)hsl
hsl(246, 68%, 56%)oklch
oklch(0.499 0.221 279.2)Closest name: Blurple (#5539cc)Relative luminance 0.1092
Colors that go with #5243db
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 #5243db: softer than #000 and cool enough to feel like part of the same palette.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #5243db — 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 #5243db 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 #5243db in 5 real palettes, including Oreo's brand system and NHL's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Cornflower Blue #6495ed
shippedCornflower Blue is paired with #5243db in 5 real palettes, including Qualcomm's brand system and Coca-Cola's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #5243db in 9 real palettes, including Netflix's brand system and Ulta Beauty's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Firebrick #b22222
shippedFirebrick is paired with #5243db in 4 real palettes, including Campbell's's brand system and Nissan's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Medium Slate Blue #7b68ee
shippedMedium Slate Blue is paired with #5243db in 4 real palettes, including Stripe's brand system and ClickUp's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #5243db
Tints & shades
Harmonies
Contrast
| #5243db as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.59:1 | pass | pass | fail |
|
Aaon black | 3.18:1 | 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 #5243db 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
#5243db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #5243db
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 #5243db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/5243db-a59cc4-dfa74e-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