Nearest named color: Slate Blue
#625CD5
#625CD5
Nearest named
Slate Blue
Family
Blue
Lightness
54.6%
Chroma
0.180
Hue angle
280.8°
Temperature
Cool
Contrast on white
5.24:1 · AA
Contrast on black
3.55:1 · AA Large
Web-safe
#6666CC
CSS oklch()
55% 0.18 281

#625CD5 is a mid-toned, cool purple. On the Color Lab it reads clean and engineered. It carries a legible label as a UI accent and sits well as a supporting tone.

Palettes built on #625CD5

Not just a swatch — here's how #625CD5 works with other colors. Named schemes with #625CD5 in its natural role, and a note on why the supporting colors balance it.

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.

Vintage Leather Lead · 5 colors

Slate Blue plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Modern Café Dominant · 5 colors

Slate Blue anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

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.

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Color Lab

How #625CD5 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 18/100
Cool
Reads cool and recessive — calming, technical, good for trust-led UI.
Softness 37/100
Low
Middle-weight — neither delicate nor heavy.
Depth 48/100
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 34/100
Low
A faint retro warmth without tipping into sepia.
Luxury 49/100
Moderate
Understated — leans refined without going austere.
Brand distinctiveness 49/100
Moderate
Recognisable but shares space with nearby hues.
UI accent fit 93/100
Very high
Strong interactive accent — visible and can carry a legible label.
Surface fit 12/100
Very low
Too saturated or mid-toned for big areas — keep it to accents.
Print safety 73/100
High
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #625CD5

For UI
For branding
For interior
For fashion
People also use #625CD5 with

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 5.2:1. Use
Subtle surface Use #E3E2F3 for cards and hover fills. Tint 80
Avoid beside #8B5DD5 — 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 #625CD5 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: #625CD5;
  --color-base-rgb: 98 92 213;
  --color-base-oklch: oklch(54.6% 0.180 280.8);
  --color-50: #F3F2FC;
  --color-100: #DFDEF7;
  --color-200: #C1BEEE;
  --color-300: #9592DE;
  --color-400: #6D68CA;
  --color-500: #4C46AE;
  --color-600: #403C86;
  --color-700: #32305F;
  --color-800: #24223F;
  --color-900: #171727;
  --color-on-base: #FFFFFF;
}