What color is #656ACA?

#656ACA is a medium blue-violet. In RGB it is rgb(101, 106, 202), and in HSL hsl(237, 49%, 59%).

Is #656ACA accessible as text?

On white, #656ACA has a contrast ratio of 4.70:1 (passes WCAG AA for body text); on black it is 4.47:1 (fails). For text placed on #656ACA, use white for the best readability.

What is the closest Tailwind color to #656ACA?

The nearest Tailwind CSS token is indigo-500 (#615FFF).

What colors go well with #656ACA?

#656ACA pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CAC563. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #656ACA below.

Is #656ACA good for buttons?

#656ACA works well for buttons and highlights, but use white text on #656ACA — black text only reaches 4.47:1, below the 4.5:1 needed for normal-size labels.

Is #656ACA the same as CSS slateblue?

No — #656ACA is not the CSS named color slateblue, but slateblue (#6A5ACD) is the closest CSS named color.

#656ACA Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #656ACA

Not just a swatch — here's how #656ACA works with other colors. Named schemes with #656ACA in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #656ACA Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #22344A

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

Lead #656ACA Secondary #7F4534 Surface #EED7C2 Accent #365247 Anchor #582239

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

Dominant #656ACA Anchor #3B2923 Surface #F3E1D2 Accent #769F7B Secondary #3C3734

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

Lead #656ACA Surface #F6E5D8 Anchor #5B2142 Accent #E5C2C9 Secondary #322B2F

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #656ACA Secondary #999EC1 Support #9D9088 Ink #18140F

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 #656ACA 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 21/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 42/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 45/100

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 45/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 49/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 39/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 98/100

Very high

Strong interactive accent — visible and can carry a legible label.

Surface fit 15/100

Very low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 78/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #656ACA

For UI

For branding

For interior

For fashion

People also use #656ACA with

Iceberg Amethyst Dark Khaki Gainsboro Prussian Blue

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 4.7:1. Use

Subtle surface Use #E3E3F1 for cards and hover fills. Tint 80

Avoid beside #8063CA — 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 #656ACA at work across the surfaces designers actually ship.

Website / UI

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Dashboard

Revenue

$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

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NIGHT
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Packaging

BLOOM

Botanical Wash

250 ml

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Export

:root {
  --color-base: #656ACA;
  --color-base-rgb: 101 106 202;
  --color-base-oklch: oklch(56.7% 0.146 278.4);
  --color-50: #F3F4FB;
  --color-100: #E0E1F5;
  --color-200: #C2C4EA;
  --color-300: #989BD7;
  --color-400: #7074C2;
  --color-500: #4F54A6;
  --color-600: #42457F;
  --color-700: #34365B;
  --color-800: #25263C;
  --color-900: #181925;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  slate-blue: {
    50: '#F3F4FB',
    100: '#E0E1F5',
    200: '#C2C4EA',
    300: '#989BD7',
    400: '#7074C2',
    500: '#4F54A6',
    600: '#42457F',
    700: '#34365B',
    800: '#25263C',
    900: '#181925',
  },
}

$base: #656ACA;
$base-ink: #FFFFFF;
$base-50: #F3F4FB;
$base-100: #E0E1F5;
$base-200: #C2C4EA;
$base-300: #989BD7;
$base-400: #7074C2;
$base-500: #4F54A6;
$base-600: #42457F;
$base-700: #34365B;
$base-800: #25263C;
$base-900: #181925;
$base-hover: #3D43B3;
$base-subtle: #D4D5EB;

{
    "color": {
        "base": {
            "value": "#656ACA",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F4FB",
                "type": "color"
            },
            "100": {
                "value": "#E0E1F5",
                "type": "color"
            },
            "200": {
                "value": "#C2C4EA",
                "type": "color"
            },
            "300": {
                "value": "#989BD7",
                "type": "color"
            },
            "400": {
                "value": "#7074C2",
                "type": "color"
            },
            "500": {
                "value": "#4F54A6",
                "type": "color"
            },
            "600": {
                "value": "#42457F",
                "type": "color"
            },
            "700": {
                "value": "#34365B",
                "type": "color"
            },
            "800": {
                "value": "#25263C",
                "type": "color"
            },
            "900": {
                "value": "#181925",
                "type": "color"
            }
        }
    }
}

Palettes built on #656ACA

Color Lab

Pairs with #656ACA

UI roles & guardrails

In real applications

Scales

Every model

Export