Indigo SaaS
Open in tool →The dependable indigo-and-emerald B2B pairing: indigo for primary actions, emerald reserved for success states.
Color
#424ae0
#424ae0
hex
#424ae0rgb
rgb(66, 74, 224)hsl
hsl(237, 72%, 57%)oklch
oklch(0.504 0.223 272.8)Closest name: Blurple (#5539cc)Relative luminance 0.1144
Colors that go with #424ae0
Charcoal, Sea Green and Amber 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 #424ae0: softer than #000 and cool enough to feel like part of the same palette.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #424ae0 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Amber #ffbf00
shippedAmber is paired with #424ae0 in 6 real palettes, including Walmart's brand system and Wikipedia's brand system, as the accent.
Blue #0000ff
shipped5 real palettes, including Headspace's brand system and Dropbox's brand system put Blue beside #424ae0, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #424ae0: 7 real palettes, including NHL's brand system and Oreo's brand system, as the accent.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #424ae0: 9 real palettes, including Roblox's brand system and Qualcomm's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #424ae0 in 14 real palettes, including Chase's brand system and Coinbase's brand system, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #424ae0: 4 real palettes, including Calm's brand system and Warp's brand system, as the lead colour.
Real palettes that use #424ae0
Tints & shades
Harmonies
Contrast
| #424ae0 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.39:1 | pass | pass | fail |
|
Aaon black | 3.29:1 | 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 #424ae0 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
#424ae0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #424ae0
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 #424ae0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/424ae0-9f9cc4-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