# #255cf4

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

## Values

- Hex: `#255cf4`
- RGB: rgb(37, 92, 244)
- HSL: hsl(224, 90%, 55%)
- OKLCH: oklch(0.541 0.234 264.4)
- Relative luminance: 0.1458
- Nearest named color: Bluerocratic (#1f66ff, Δ 2.748) — https://brandsweets.com/colors/bluerocratic
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/255cf4

## Tints & shades

- Tints (toward white): #386bf5, #517df6, #648bf7, #779af8, #90acf9, #a3bafa, #b6c9fb, #cad7fc, #e2e9fd, #f5f8fe
- Shades (toward black): #0d4af2, #0b43da, #0a3bc2, #0934aa, #082c91, #062374, #051c5c, #041544, #020d2c, #010613

## Harmonies

- Complementary: #f4bc25
- Analogous: #25c3f4, #5525f4
- Triadic: #f4255c, #5cf425
- Split-complementary: #f45525, #c3f425
- Tetradic: #f425c3, #f4bc25, #25f455

## Colors that go with #255cf4

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 #255cf4: 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), Campus (https://brandsweets.com/palettes/friendly#campus), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #255cf4 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Toyota (https://brandsweets.com/colors/brands/toyota-com), WWE (https://brandsweets.com/colors/brands/wwe-com), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/crimson
- **Amber** #ffbf00 [pool] — Amber is paired with #255cf4 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), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 10 real palettes, including Headspace's brand system and Dropbox's brand system put Blue beside #255cf4, as the accent. Seen in: Headspace (https://brandsweets.com/colors/brands/headspace-com), Dropbox (https://brandsweets.com/colors/brands/dropbox-com), Signal (https://brandsweets.com/colors/brands/signal-org), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #255cf4: 10 real palettes, including Nivea's brand system and Nokia's brand system, as the lead colour. Seen in: Nivea (https://brandsweets.com/colors/brands/nivea-com), Nokia (https://brandsweets.com/colors/brands/nokia-com), NHL (https://brandsweets.com/colors/brands/nhl-com), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #255cf4: 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 #255cf4: 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), Warp (https://brandsweets.com/colors/brands/warp-dev), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #255cf4: 9 real palettes, including OnePlus's brand system and ASUS's brand system, as the supporting colour. Seen in: OnePlus (https://brandsweets.com/colors/brands/oneplus-com), ASUS (https://brandsweets.com/colors/brands/asus-com), HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com), Coursera (https://brandsweets.com/colors/brands/coursera-org). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 5.36:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #0c44df (7.22:1)
- On black (#000000): 3.92:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #386bf5 (4.59:1); AA: background → #ededed (4.58:1); AAA: text → #6e92f7 (7.12:1)

## Brands using this color

- **OnePlus** — accent #2660f5 (Δ 0.923) — https://brandsweets.com/colors/brands/oneplus-com
- **Chase** — secondary #0060f0 (Δ 1.555) — https://brandsweets.com/colors/brands/chase-com
- **Roblox** — primary #345cfc (Δ 1.694) — https://brandsweets.com/colors/brands/roblox-com
- **Headspace** — secondary #0061ef (Δ 1.708) — https://brandsweets.com/colors/brands/headspace-com
- **Grafana Labs** — primary #1b55f5 (Δ 1.744) — https://brandsweets.com/colors/brands/grafana-com
- **Grafana Labs** — accent #1b55f5 (Δ 1.744) — https://brandsweets.com/colors/brands/grafana-com
- **Wayfair** — secondary #1364f1 (Δ 1.83) — https://brandsweets.com/colors/brands/wayfair-com
- **Toyota** — accent #145fff (Δ 1.866) — https://brandsweets.com/colors/brands/toyota-com
- **Docker** — secondary #2560ff (Δ 1.913) — https://brandsweets.com/colors/brands/docker-com
- **Zoom** — primary #0b5cff (Δ 1.936) — https://brandsweets.com/colors/brands/zoom-us
- **Zoom** — secondary #0b5cff (Δ 1.936) — https://brandsweets.com/colors/brands/zoom-us
- **Nivea** — secondary #0f60ff (Δ 1.977) — https://brandsweets.com/colors/brands/nivea-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/255cf4-9ca2c4-df724e-221f2d-e9eff1?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: "#255cf4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.