Color
#281ee6
#281ee6rgb(40, 30, 230)hsl(243, 80%, 51%)oklch(0.444 0.272 269.2)Colors that go with #281ee6
Charcoal, Crimson and Cobalt 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 #281ee6: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson completes a triad with #281ee6 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #281ee6: 4 real palettes, including CVS's brand system and Procter & Gamble's brand system, as the accent.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #281ee6: 5 real palettes, including Qualcomm's brand system and Spotify's brand system, as the supporting colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #281ee6: 6 real palettes, including Cargo's brand system and Readymag's brand system, as the lead colour.
Midnight Blue #191970
shipped7 real palettes, including Monzo's brand system and Sketch's brand system put Midnight Blue beside #281ee6, as the lead colour.
Orange Red #ff4500
shippedOrange Red is paired with #281ee6 in 7 real palettes, including Monzo's brand system and Readymag's brand system, as the supporting colour.
Red #ff0000
shippedRed is paired with #281ee6 in 5 real palettes, including native Cybersecurity's brand system and Gap's brand system, as the lead colour.
Real palettes that use #281ee6
Tints & shades
Harmonies
Contrast
| #281ee6 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 8.68:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.42:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #281ee6 as the background.
Brands using this color
Fonts for this mood
#281ee6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
Point 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.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #281ee6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/281ee6-a39cc4-dfa04e-261f2d-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