# #3a88fd

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

## Values

- Hex: `#3a88fd`
- RGB: rgb(58, 136, 253)
- HSL: hsl(216, 98%, 61%)
- OKLCH: oklch(0.64 0.19 258.7)
- Relative luminance: 0.256
- Nearest named color: dodgerblue (#1e90ff, Δ 2.184) — https://brandsweets.com/colors/dodgerblue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/3a88fd

## Tints & shades

- Tints (toward white): #4e94fd, #5d9dfd, #72aafe, #86b6fe, #9ac2fe, #a9cbfe, #bdd7fe, #d2e4ff, #e1edff, #f5f9ff
- Shades (toward black): #1c76fd, #0367fc, #025ade, #024ec0, #0244a7, #013788, #012b6a, #011f4c, #011532, #000814

## Harmonies

- Complementary: #fdaf3a
- Analogous: #3aeafd, #4e3afd
- Triadic: #fd3a88, #88fd3a
- Split-complementary: #fd4e3a, #eafd3a
- Tetradic: #fd3aea, #fdaf3a, #3afd4e

## Colors that go with #3a88fd

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 #3a88fd: softer than #000 and cool enough to feel like part of the same palette. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Docker (https://brandsweets.com/colors/brands/docker-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com). — https://brandsweets.com/colors/charcoal
- **Red** #ff0000 [harmony, pool: triadic] — Red completes a triad with #3a88fd — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Databricks (https://brandsweets.com/colors/brands/databricks-com), Vercel (https://brandsweets.com/colors/brands/vercel), Rotten Tomatoes (https://brandsweets.com/colors/brands/rottentomatoes-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com). — https://brandsweets.com/colors/red
- **Amber** #ffbf00 [pool] — Amber is paired with #3a88fd in 10 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), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 12 real palettes, including Unity's brand system and Readymag's brand system put Blue beside #3a88fd, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Cargo (https://brandsweets.com/colors/brands/cargo-site), Samsung (https://brandsweets.com/colors/brands/samsung-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #3a88fd: 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), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Nokia (https://brandsweets.com/colors/brands/nokia-com). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #3a88fd in 9 real palettes, including Behance's brand system and WWE's brand system, as the accent. Seen in: Behance (https://brandsweets.com/colors/brands/behance-net), WWE (https://brandsweets.com/colors/brands/wwe-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com). — https://brandsweets.com/colors/crimson
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #3a88fd in 4 real palettes, including Playground and Elastic's brand system, as the lead colour. Seen in: Playground (https://brandsweets.com/palettes/bold#playground), Elastic (https://brandsweets.com/colors/brands/elastic-co), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/darkorange
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #3a88fd: 11 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), Telegram (https://brandsweets.com/colors/brands/telegram-org). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 3.43:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #0d6dfd (4.54:1); AA: background → #242424 (4.52:1); AAA: text → #0250c5 (7.1:1)
- On black (#000000): 6.12:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #5397fd (7.21:1)

## Brands using this color

- **Coursera** — secondary #3286ff (Δ 0.855) — https://brandsweets.com/colors/brands/coursera-org
- **HashiCorp** — secondary #2b89ff (Δ 0.869) — https://brandsweets.com/colors/brands/hashicorp-com
- **Google** — primary #4285f4 (Δ 1.472) — https://brandsweets.com/colors/brands/google-com
- **Spline** — primary #4482fc (Δ 1.53) — https://brandsweets.com/colors/brands/spline-design
- **Replit** — accent #0f87ff (Δ 1.94) — https://brandsweets.com/colors/brands/replit

## 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/3a88fd-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: "#3a88fd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.