# #0f63ff

A color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#0f63ff`
- RGB: rgb(15, 99, 255)
- HSL: hsl(219, 100%, 53%)
- OKLCH: oklch(0.559 0.243 261.9)
- Relative luminance: 0.1625
- Nearest named color: Blue Ribbon (#0066ff, Δ 0.653) — https://brandsweets.com/colors/blue-ribbon
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/0f63ff

## Tints & shades

- Tints (toward white): #2974ff, #3d81ff, #5792ff, #6b9fff, #85afff, #99bdff, #b3cdff, #c7dbff, #e0ebff, #f5f8ff
- Shades (toward black): #0056f5, #004ddb, #0044c2, #003ba8, #003494, #002b7a, #002261, #001947, #00102e, #000714

## Harmonies

- Complementary: #ffab0f
- Analogous: #0fdbff, #330fff
- Triadic: #ff0f63, #63ff0f
- Split-complementary: #ff330f, #dbff0f
- Tetradic: #ff0fdb, #ffab0f, #0fff33

## Colors that go with #0f63ff

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #0f63ff: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Zoom (https://brandsweets.com/colors/brands/zoom-us), Disney (https://brandsweets.com/colors/brands/disney-com), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #0f63ff — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: WWE (https://brandsweets.com/colors/brands/wwe-com), Toyota (https://brandsweets.com/colors/brands/toyota-com), Behance (https://brandsweets.com/colors/brands/behance-net), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/crimson
- **Amber** #ffbf00 [pool] — Amber is paired with #0f63ff in 7 real palettes, including Walmart's brand system and NBA's brand system, as the accent. Seen in: Walmart (https://brandsweets.com/colors/brands/walmart-com), NBA (https://brandsweets.com/colors/brands/nba-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 11 real palettes, including Dropbox's brand system and MongoDB's brand system put Blue beside #0f63ff, as the accent. Seen in: Dropbox (https://brandsweets.com/colors/brands/dropbox-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), EA (https://brandsweets.com/colors/brands/ea-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #0f63ff: 11 real palettes, including Nivea's brand system and Behance's brand system, as the lead colour. Seen in: Nivea (https://brandsweets.com/colors/brands/nivea-com), Behance (https://brandsweets.com/colors/brands/behance-net), Nokia (https://brandsweets.com/colors/brands/nokia-com), NHL (https://brandsweets.com/colors/brands/nhl-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #0f63ff: 7 real palettes, including Roblox's brand system and Webflow's brand system, as the supporting colour. Seen in: Roblox (https://brandsweets.com/colors/brands/roblox-com), Webflow (https://brandsweets.com/colors/brands/webflow-com), NBA (https://brandsweets.com/colors/brands/nba-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #0f63ff: 6 real palettes, including Elastic's brand system and Calm's brand system, as the supporting colour. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Calm (https://brandsweets.com/colors/brands/calm-com), Patreon (https://brandsweets.com/colors/brands/patreon-com), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #0f63ff: 14 real palettes, including Square's brand system and Chase's brand system, as the supporting colour. Seen in: Square (https://brandsweets.com/colors/brands/squareup-com), Chase (https://brandsweets.com/colors/brands/chase-com), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com), Guinness (https://brandsweets.com/colors/brands/guinness-com). — https://brandsweets.com/colors/denim

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 4.94:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #004bd6 (7.05:1)
- On black (#000000): 4.25:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #1a6aff (4.55:1); AA: background → #f5f5f5 (4.53:1); AAA: text → #5c95ff (7.2:1)

## Brands using this color

- **IBM** — secondary #0f62fe (Δ 0.274) — https://brandsweets.com/colors/brands/ibm-com
- **IBM** — accent #0062fe (Δ 0.494) — https://brandsweets.com/colors/brands/ibm-com
- **Dropbox** — primary #0061ff (Δ 0.635) — https://brandsweets.com/colors/brands/dropbox-com
- **WWE** — accent #0166ff (Δ 0.65) — https://brandsweets.com/colors/brands/wwe-com
- **Nivea** — secondary #0f60ff (Δ 0.66) — https://brandsweets.com/colors/brands/nivea-com
- **Dropbox** — secondary #0061fe (Δ 0.665) — https://brandsweets.com/colors/brands/dropbox-com
- **Cisco** — secondary #0a60ff (Δ 0.708) — https://brandsweets.com/colors/brands/cisco-com
- **Toyota** — accent #145fff (Δ 0.842) — https://brandsweets.com/colors/brands/toyota-com
- **Docker** — secondary #2560ff (Δ 0.984) — https://brandsweets.com/colors/brands/docker-com
- **Spectrum** — accent #005eff (Δ 1.245) — https://brandsweets.com/colors/brands/spectrum-com
- **Yahoo** — accent #0f69ff (Δ 1.356) — https://brandsweets.com/colors/brands/yahoo-com
- **Behance** — primary #1769ff (Δ 1.451) — https://brandsweets.com/colors/brands/behance-net
- **Square** — primary #006aff (Δ 1.522) — https://brandsweets.com/colors/brands/squareup-com
- **Square** — accent #006aff (Δ 1.522) — https://brandsweets.com/colors/brands/squareup-com
- **Zoom** — primary #0b5cff (Δ 1.557) — https://brandsweets.com/colors/brands/zoom-us
- **Zoom** — secondary #0b5cff (Δ 1.557) — https://brandsweets.com/colors/brands/zoom-us
- **OnePlus** — accent #2660f5 (Δ 1.793) — https://brandsweets.com/colors/brands/oneplus-com
- **Bose** — secondary #005bff (Δ 1.874) — https://brandsweets.com/colors/brands/bose-com

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/0f63ff-9ca5c4-df664e-211f2d-e9f0f1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#0f63ff" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.