# #3383fa

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

## Values

- Hex: `#3383fa`
- RGB: rgb(51, 131, 250)
- HSL: hsl(216, 95%, 59%)
- OKLCH: oklch(0.625 0.194 258.7)
- Relative luminance: 0.2384
- Nearest named color: Azure (#007fff, Δ 2.334) — https://brandsweets.com/colors/azure-2
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/3383fa

## Tints & shades

- Tints (toward white): #478ffa, #5b9bfb, #6fa7fb, #83b3fc, #97bffc, #a5c8fd, #b9d5fd, #cde1fe, #e1edfe, #f5f9ff
- Shades (toward black): #1a73f9, #0663ef, #0559d6, #054cb8, #04429f, #033681, #032b68, #021f4b, #011532, #010814

## Harmonies

- Complementary: #faaa33
- Analogous: #33e6fa, #4733fa
- Triadic: #fa3383, #83fa33
- Split-complementary: #fa4733, #e6fa33
- Tetradic: #fa33e6, #faaa33, #33fa47

## Colors that go with #3383fa

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 #3383fa: softer than #000 and cool enough to feel like part of the same palette. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Docker (https://brandsweets.com/colors/brands/docker-com), Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Zoom (https://brandsweets.com/colors/brands/zoom-us). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #3383fa — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Behance (https://brandsweets.com/colors/brands/behance-net), WWE (https://brandsweets.com/colors/brands/wwe-com), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com). — https://brandsweets.com/colors/crimson
- **Amber** #ffbf00 [pool] — Amber is paired with #3383fa in 9 real palettes, including Google's brand system and Heatwave, as the accent. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Walmart (https://brandsweets.com/colors/brands/walmart-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 12 real palettes, including Readymag's brand system and Cargo's brand system put Blue beside #3383fa, as the supporting colour. Seen in: Readymag (https://brandsweets.com/colors/brands/readymag-com), Cargo (https://brandsweets.com/colors/brands/cargo-site), Samsung (https://brandsweets.com/colors/brands/samsung-com), Penpot (https://brandsweets.com/colors/brands/penpot-app). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #3383fa: 10 real palettes, including Carrefour's brand system and Behance's brand system, as the accent. Seen in: Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Behance (https://brandsweets.com/colors/brands/behance-net), Nokia (https://brandsweets.com/colors/brands/nokia-com), Nivea (https://brandsweets.com/colors/brands/nivea-com). — https://brandsweets.com/colors/cobalt
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #3383fa: 10 real palettes, including Venmo's brand system and Patreon's brand system, as the supporting colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Patreon (https://brandsweets.com/colors/brands/patreon-com), Figma (https://brandsweets.com/colors/brands/figma), Elastic (https://brandsweets.com/colors/brands/elastic-co). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #3383fa: 17 real palettes, including Coursera's brand system and Venmo's brand system, as the accent. Seen in: Coursera (https://brandsweets.com/colors/brands/coursera-org), Venmo (https://brandsweets.com/colors/brands/venmo-com), Apple (https://brandsweets.com/colors/brands/apple-com), Guinness (https://brandsweets.com/colors/brands/guinness-com). — https://brandsweets.com/colors/denim
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #3383fa: 4 real palettes, including Bose's brand system and Honda's brand system, as the accent. Seen in: Bose (https://brandsweets.com/colors/brands/bose-com), Honda (https://brandsweets.com/colors/brands/honda-com), Nissan (https://brandsweets.com/colors/brands/nissanusa-com), AT&T (https://brandsweets.com/colors/brands/att-com). — https://brandsweets.com/colors/firebrick

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

- On white (#ffffff): 3.64:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #106df9 (4.59:1); AA: background → #1f1f1f (4.53:1); AAA: text → #0551c2 (7.09:1)
- On black (#000000): 5.77:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #5195fb (7.04:1)

## Brands using this color

- **PostHog** — secondary #2f80fa (Δ 0.853) — https://brandsweets.com/colors/brands/posthog-com
- **Coursera** — secondary #3286ff (Δ 1) — https://brandsweets.com/colors/brands/coursera-org
- **Spline** — primary #4482fc (Δ 1.262) — https://brandsweets.com/colors/brands/spline-design
- **Bluesky Social** — primary #1484fc (Δ 1.311) — https://brandsweets.com/colors/brands/bsky-app
- **Google** — primary #4285f4 (Δ 1.541) — https://brandsweets.com/colors/brands/google-com
- **HashiCorp** — secondary #2b89ff (Δ 1.579) — https://brandsweets.com/colors/brands/hashicorp-com
- **Opensea** — primary #0484fc (Δ 1.609) — https://brandsweets.com/colors/brands/opensea-io
- **Replit** — accent #0f87ff (Δ 1.618) — https://brandsweets.com/colors/brands/replit
- **Bluesky Social** — secondary #0085ff (Δ 1.732) — https://brandsweets.com/colors/brands/bsky-app

## Curated palettes containing it

- **Playground** (bold, playful, warm) — #ff8c00, #3b82f6, #22c55e, #fff8e7, #1d1d1d — Orange, blue and green — the colors of playground equipment; loud, cheerful, obviously for kids. — tool: https://brandsweets.com/palettes/new/ff8c00-3b82f6-22c55e-fff8e7-1d1d1d — collection: https://brandsweets.com/palettes/bold
- **Studio Grey** (minimal, muted, modern) — #1a1a1a, #8c8c8c, #3a86ff, #f2f2f2 — A pure greyscale with a single electric blue — the portfolio palette that makes work look considered. — tool: https://brandsweets.com/palettes/new/1a1a1a-8c8c8c-3a86ff-f2f2f2 — collection: https://brandsweets.com/palettes/minimal

## 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/3383fa-9ca7c4-df5f4e-201f2d-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: "#3383fa" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.