Nearest named color: Amethyst
#905CD9
#905CD9
Nearest named
Amethyst
Family
Purple
Lightness
59.1%
Chroma
0.185
Hue angle
299.9°
Temperature
Cool
Contrast on white
4.45:1 · AA Large
Contrast on black
4.17:1 · AA Large
Web-safe
#9966CC
CSS oklch()
59% 0.19 300

#905CD9 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 #905CD9

Not just a swatch — here's how #905CD9 works with other colors. Named schemes with #905CD9 in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

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

Tech Product Signal · 5 colors

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

Minimal Editorial Surface · 5 colors

Amethyst 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 Amethyst carrying the quiet middle.

Coastal Morning Lead · 5 colors

Amethyst 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

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

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Color Lab

How #905CD9 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 33/100
Cool
Reads cool and recessive — calming, technical, good for trust-led UI.
Softness 39/100
Low
Middle-weight — neither delicate nor heavy.
Depth 43/100
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 33/100
Low
A faint retro warmth without tipping into sepia.
Luxury 44/100
Moderate
Understated — leans refined without going austere.
Brand distinctiveness 71/100
High
Bold and ownable — memorable as a primary brand color.
UI accent fit 87/100
Very high
Strong interactive accent — visible and can carry a legible label.
Surface fit 16/100
Very low
Too saturated or mid-toned for big areas — keep it to accents.
Print safety 77/100
High
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #905CD9

For UI
For branding
For interior
For fashion

UI roles & guardrails

Primary action Too mid-tone for a filled button — darken for the fill. AA Large
Body text Do not use for body copy on light surfaces. Avoid
Large display Fine for headings 24px+ on white. Pass
Background Pair with white text at 4.5:1. Use
Subtle surface Use #EAE2F4 for cards and hover fills. Tint 80
Avoid beside #BA5ED9 — 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 #905CD9 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: #905CD9;
  --color-base-rgb: 144 92 217;
  --color-base-oklch: oklch(59.1% 0.185 299.9);
  --color-50: #F6F2FD;
  --color-100: #E8DDF8;
  --color-200: #D2BDEF;
  --color-300: #B190E0;
  --color-400: #9066CC;
  --color-500: #7144B1;
  --color-600: #5A3A87;
  --color-700: #432E60;
  --color-800: #2E223F;
  --color-900: #1D1627;
  --color-on-base: #141310;
}