Console Light
Open in tool →A sober docs palette: one blue for interactive, one green for success, zinc greys for everything else.
Color
#155ff4
#155ff4
hex
#155ff4rgb
rgb(21, 95, 244)hsl
hsl(220, 91%, 52%)oklch
oklch(0.543 0.234 262.3)Closest name: Blue Ribbon (#0066ff)Relative luminance 0.1488
Colors that go with #155ff4
Charcoal, Crimson 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 #155ff4: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson completes a triad with #155ff4 — 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 #155ff4 in 5 real palettes, including Walmart's brand system and NBA's brand system, as the accent.
Blue #0000ff
shipped10 real palettes, including Headspace's brand system and Dropbox's brand system put Blue beside #155ff4, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #155ff4: 11 real palettes, including Nivea's brand system and Behance's brand system, as the lead colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #155ff4: 7 real palettes, including Roblox's brand system and Webflow's brand system, as the supporting colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #155ff4: 6 real palettes, including Elastic's brand system and Calm's brand system, as the supporting colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #155ff4: 6 real palettes, including OnePlus's brand system and HashiCorp's brand system, as the supporting colour.
Real palettes that use #155ff4
Tints & shades
Harmonies
Contrast
| #155ff4 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.28:1 | pass | pass | fail |
|
Aaon black | 3.98:1 | 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 #155ff4 as the background.
Brands using this color
- Chasesecondary · #0060f0 · Δ0.84
- OnePlusaccent · #2660f5 · Δ0.964
- Headspacesecondary · #0061ef · Δ0.998
- Wayfairsecondary · #1364f1 · Δ1.206
- Dropboxsecondary · #0061fe · Δ1.601
- IBMsecondary · #0f62fe · Δ1.654
- IBMaccent · #0062fe · Δ1.663
- Toyotaaccent · #145fff · Δ1.663
- Niveasecondary · #0f60ff · Δ1.678
- Ciscosecondary · #0a60ff · Δ1.683
- Dropboxprimary · #0061ff · Δ1.743
- Zoomprimary · #0b5cff · Δ1.794
- Zoomsecondary · #0b5cff · Δ1.794
- Dockersecondary · #2560ff · Δ1.937
- Bosesecondary · #005bff · Δ1.957
Palettes built around it
Slate Workspace
Open in tool →Slate on slate with a single blue — the productivity-app look where the interface disappears behind the work.
Telehealth
Open in tool →Friendly blue with a soft tint and a green all-clear — approachable care with a tech backbone.
Fonts for this mood
#155ff4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #155ff4
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 #155ff4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/155ff4-9ca5c4-df694e-211f2d-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