# #4588fc

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

## Values

- Hex: `#4588fc`
- RGB: rgb(69, 136, 252)
- HSL: hsl(218, 97%, 63%)
- OKLCH: oklch(0.643 0.186 260.6)
- Relative luminance: 0.259
- Nearest named color: dodgerblue (#1e90ff, Δ 2.606) — https://brandsweets.com/colors/dodgerblue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/4588fc

## Tints & shades

- Tints (toward white): #5995fc, #689ffd, #7cacfd, #8bb5fd, #a0c2fe, #afccfe, #c3d8fe, #d2e2fe, #e6efff, #f5f9ff
- Shades (toward black): #2775fc, #0962fb, #0355e2, #034ac4, #0340ab, #02358d, #022a6f, #011e50, #011332, #000814

## Harmonies

- Complementary: #fcb945
- Analogous: #45e4fc, #5e45fc
- Triadic: #fc4588, #88fc45
- Split-complementary: #fc5e45, #e4fc45
- Tetradic: #fc45e4, #fcb945, #45fc5e

## Colors that go with #4588fc

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 #4588fc: 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
- **Medium Sea Green** #3cb371 [harmony, pool: triadic] — Medium Sea Green completes a triad with #4588fc — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Terminal (https://brandsweets.com/palettes/technical#terminal), Olympics (https://brandsweets.com/colors/brands/olympics-com), Console Light (https://brandsweets.com/palettes/technical#console-light). — https://brandsweets.com/colors/mediumseagreen
- **Red** #ff0000 [harmony, pool: triadic] — Red completes a triad with #4588fc — 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 #4588fc 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 #4588fc, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Cargo (https://brandsweets.com/colors/brands/cargo-site). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #4588fc: 8 real palettes, including Carrefour's brand system and Blue Mono, as the accent. Seen in: Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Behance (https://brandsweets.com/colors/brands/behance-net), Nokia (https://brandsweets.com/colors/brands/nokia-com). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #4588fc in 8 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), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com). — https://brandsweets.com/colors/crimson
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #4588fc 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

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

- On white (#ffffff): 3.4:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #186bfb (4.63:1); AA: background → #242424 (4.57:1); AAA: text → #034ece (7.04:1)
- On black (#000000): 6.18:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #5995fc (7.13:1)

## Brands using this color

- **Google** — primary #4285f4 (Δ 1.407) — https://brandsweets.com/colors/brands/google-com
- **Spline** — primary #4482fc (Δ 1.543) — https://brandsweets.com/colors/brands/spline-design
- **Coursera** — secondary #3286ff (Δ 1.567) — https://brandsweets.com/colors/brands/coursera-org
- **HashiCorp** — secondary #2b89ff (Δ 1.657) — https://brandsweets.com/colors/brands/hashicorp-com

## Curated palettes containing it

- **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/4588fc-9ca6c4-df644e-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: "#4588fc" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.