# #734bc3

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

## Values

- Hex: `#734bc3`
- RGB: rgb(115, 75, 195)
- HSL: hsl(260, 50%, 53%)
- OKLCH: oklch(0.52 0.179 294.7)
- Relative luminance: 0.1262
- Nearest named color: slateblue (#6a5acd, Δ 3.732) — https://brandsweets.com/colors/slateblue
- Moods: cool, modern
- Page: https://brandsweets.com/colors/734bc3

## Tints & shades

- Tints (toward white): #825ec9, #8e6ecf, #9d81d5, #a990da, #b8a3e0, #c3b3e6, #d2c6ec, #ded5f1, #ede8f7, #f9f7fc
- Shades (toward black): #663db8, #5b37a4, #513091, #462a7e, #3e256f, #331f5c, #281849, #1e1236, #130b22, #08050f

## Harmonies

- Complementary: #9bc34b
- Analogous: #4b5fc3, #af4bc3
- Triadic: #c3734b, #4bc373
- Split-complementary: #c3af4b, #5fc34b
- Tetradic: #c34b5f, #9bc34b, #4bc3af

## Colors that go with #734bc3

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 #734bc3: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #734bc3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/seagreen
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #734bc3: 4 real palettes, including Zillow's brand system and Warbyparker's brand system, as the supporting colour. Seen in: Zillow (https://brandsweets.com/colors/brands/zillow-com), Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #734bc3 in 7 real palettes, including Gemstone and Marvel's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Marvel (https://brandsweets.com/colors/brands/marvel-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Light Sky Blue** #87cefa [pool] — Light Sky Blue is paired with #734bc3 in 4 real palettes, including Sentry's brand system and Calm's brand system, as the accent. Seen in: Sentry (https://brandsweets.com/colors/brands/sentry-io), Calm (https://brandsweets.com/colors/brands/calm-com), Telehealth (https://brandsweets.com/palettes/modern#telehealth), 1password (https://brandsweets.com/colors/brands/1password-com). — https://brandsweets.com/colors/lightskyblue
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #734bc3 in 4 real palettes, including Indigo SaaS and Console Light, as the accent. Seen in: Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/mediumseagreen
- **Midnight Blue** #191970 [pool] — 10 real palettes, including Marvel's brand system and Kraken's brand system put Midnight Blue beside #734bc3, as the supporting colour. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Kraken (https://brandsweets.com/colors/brands/kraken-com), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze). — https://brandsweets.com/colors/midnightblue
- **Red** #ff0000 [pool] — Red is paired with #734bc3 in 5 real palettes, including L'Oréal's brand system and Twitch's brand system, as the supporting colour. Seen in: L'Oréal (https://brandsweets.com/colors/brands/loreal-com), Twitch (https://brandsweets.com/colors/brands/twitch-tv), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), ElevenLabs (https://brandsweets.com/colors/brands/elevenlabs-io). — https://brandsweets.com/colors/red

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

- On white (#ffffff): 5.96:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #683ebb (7.01:1)
- On black (#000000): 3.52:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #8562cb (4.61:1); AA: background → #e0e0e0 (4.51:1); AAA: text → #a388d7 (7.06:1)

## Brands using this color

- **GitLab** — secondary #6e49cb (Δ 1.65) — https://brandsweets.com/colors/brands/gitlab

## Fonts for this mood

- 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/734bc3-ae9cc4-dfc94e-2a1f2d-e9ebf1?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: "#734bc3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.