Indigo SaaS
Open in tool →The dependable indigo-and-emerald B2B pairing: indigo for primary actions, emerald reserved for success states.
Color
#434bdf
#434bdf
hex
#434bdfrgb
rgb(67, 75, 223)hsl
hsl(237, 71%, 57%)oklch
oklch(0.505 0.22 273)Closest name: Blurple (#5539cc)Relative luminance 0.1155
Colors that go with #434bdf
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 #434bdf: softer than #000 and cool enough to feel like part of the same palette.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #434bdf — 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 #434bdf in 6 real palettes, including Headspace's brand system and Dropbox's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Cobalt Blue #0047ab
shippedCobalt Blue is paired with #434bdf in 6 real palettes, including NHL's brand system and Oreo's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Cornflower Blue #6495ed
shippedCornflower Blue is paired with #434bdf in 5 real palettes, including Coca-Cola's brand system and NBA's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #434bdf in 12 real palettes, including Chase's brand system and Coinbase's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #434bdf in 4 real palettes, including Indigo SaaS and Console Light, as the accent — a combination designers have actually shipped, not a computed rotation.
Medium Slate Blue #7b68ee
shippedMedium Slate Blue is paired with #434bdf in 4 real palettes, including Stripe's brand system and monday.com's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #434bdf
Tints & shades
Harmonies
Contrast
| #434bdf as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.34:1 | pass | pass | fail |
|
Aaon black | 3.31:1 | 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 #434bdf 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
#434bdf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #434bdf
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 #434bdf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/434bdf-9f9cc4-df924e-251f2d-e9edf1?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