Color
#4f91ee
#4f91eergb(79, 145, 238)hsl(215, 82%, 62%)oklch(0.657 0.155 257.3)Colors that go with #4f91ee
Charcoal, Tomato 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 #4f91ee: softer than #000 and cool enough to feel like part of the same palette.
Tomato #ff6347
triadicshippedTomato completes a triad with #4f91ee — 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 #4f91ee in 9 real palettes, including Heatwave and Blueprint, as the supporting colour.
Blue #0000ff
shipped11 real palettes, including Qualcomm's brand system and Unity's brand system put Blue beside #4f91ee, as the accent.
Blue Violet #8a2be2
shippedBlue Violet is paired with #4f91ee in 4 real palettes, including Render's brand system and ClickUp's brand system, as the lead colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #4f91ee: 7 real palettes, including Blue Mono and Carrefour's brand system, as the lead colour.
Dark Orange #ff8c00
shippedDark Orange shows up next to #4f91ee in 4 real palettes, including Playground and Elastic's brand system, as the lead colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #4f91ee: 6 real palettes, including Figma's brand system and Patreon's brand system.
Real palettes that use #4f91ee
Tints & shades
Harmonies
Contrast
| #4f91ee as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.17:1 | fail | pass | fail | |
Aaon black | 6.62:1 | pass | 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 #4f91ee as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#4f91ee 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 #4f91ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/4f91ee-9ca8c4-df5d4e-201f2d-e9f0f1?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