Nearest named color: Slate Blue
#6943DA
#6943DA
Nearest named
Slate Blue
Family
Blue
Lightness
51.7%
Chroma
0.217
Hue angle
287.9°
Temperature
Cool
Contrast on white
6.15:1 · AA
Contrast on black
3.02:1 · AA Large
Web-safe
#6633CC
CSS oklch()
52% 0.22 288

#6943DA is a mid-toned, cool purple. On the Color Lab it reads clean and engineered, bold and ownable. It carries a legible label as a UI accent and sits well as a supporting tone.

Palettes built on #6943DA

Not just a swatch — here's how #6943DA works with other colors. Named schemes with #6943DA in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Slate Blue is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Slate Blue.

Berry & Cream Lead · 5 colors

Slate Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Slate Blue is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Slate Blue carrying the quiet middle.

Coastal Morning Lead · 5 colors

Slate Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Sunset Warmth Glow · 5 colors

Slate Blue glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.

Build a working theme in the generator →

Color Lab

How #6943DA actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 23/100
Cool
Reads cool and recessive — calming, technical, good for trust-led UI.
Softness 31/100
Low
Firm and assertive — carries weight and contrast.
Depth 52/100
Moderate
Mid depth — usable as an accent or a muted ground.
Naturalness 0/100
Very low
Reads engineered rather than organic — synthetic, digital.
Vintage feel 20/100
Low
Clean and current — no dusty, aged cast.
Luxury 49/100
Moderate
Understated — leans refined without going austere.
Brand distinctiveness 84/100
Very high
Bold and ownable — memorable as a primary brand color.
UI accent fit 79/100
High
Strong interactive accent — visible and can carry a legible label.
Surface fit 9/100
Very low
Too saturated or mid-toned for big areas — keep it to accents.
Print safety 70/100
High
Prints close, with a slight loss of vibrancy.

Pairs with #6943DA

For UI
For branding
For interior
For fashion

UI roles & guardrails

Primary action Safe as a filled button with white label. AA
Body text Passes on white at 16px and above. Pass
Large display Fine for headings 24px+ on white. Pass
Background Pair with white text at 6.1:1. Use
Subtle surface Use #E3DEF3 for cards and hover fills. Tint 80
Avoid beside #9B44DA — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #6943DA at work across the surfaces designers actually ship.

Website / UI
Northwind Sign up
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Dashboard
Revenue
$48.2k ▲ 12%
Brand
AVELINE
Studio
Poster
Nov 14 · 8PM
NIGHT
MARKET
Packaging
BLOOM
Botanical Wash
250 ml
Interior

Scales

ShadesBase darkened in 10% steps
TintsBase lifted toward white
TonesSaturation removed, lightness held
Monochromatic scaleDesign-system ready, 50–900

Every model

Export

:root {
  --color-base: #6943DA;
  --color-base-rgb: 105 67 218;
  --color-base-oklch: oklch(51.7% 0.217 287.9);
  --color-50: #F5F2FD;
  --color-100: #E3DCF9;
  --color-200: #C9BBF1;
  --color-300: #A28CE3;
  --color-400: #7D62D0;
  --color-500: #5D3FB5;
  --color-600: #4C378B;
  --color-700: #3A2C62;
  --color-800: #282041;
  --color-900: #1A1628;
  --color-on-base: #FFFFFF;
}