What color is #6552CC?

#6552CC is a medium indigo. In RGB it is rgb(101, 82, 204), and in HSL hsl(249, 54%, 56%).

Is #6552CC accessible as text?

On white, #6552CC has a contrast ratio of 5.78:1 (passes WCAG AA for body text); on black it is 3.63:1 (fails). For text placed on #6552CC, use white for the best readability.

What is the closest Tailwind color to #6552CC?

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

What colors go well with #6552CC?

#6552CC pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B9CB52. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #6552CC below.

Is #6552CC good for buttons?

#6552CC works well for buttons and highlights, but use white text on #6552CC — black text only reaches 3.63:1, below the 4.5:1 needed for normal-size labels.

Is #6552CC the same as CSS slateblue?

No — #6552CC is not the CSS named color slateblue, but slateblue (#6A5ACD) is the closest CSS named color.

#6552CC Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #6552CC

Not just a swatch — here's how #6552CC works with other colors. Named schemes with #6552CC in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #6552CC Accent #A5C4C3 Surface #EAD5BF Secondary #9AA0A1 Anchor #22334A

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 #6552CC Secondary #7E4533 Surface #EDD8C2 Accent #365247 Anchor #582238

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 #6552CC Anchor #3B2923 Surface #F3E1D2 Accent #759F7C 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 #6552CC Surface #F5E5D7 Anchor #5B2142 Accent #E5C2C8 Secondary #332B2F

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 #6552CC Secondary #8F8FBA 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 #6552CC 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 22/100

Cool

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

Softness 35/100

Low

Middle-weight — neither delicate nor heavy.

Depth 50/100

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 50/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 49/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 94/100

Very high

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

Surface fit 10/100

Very low

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

Print safety 74/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #6552CC

For UI

For branding

For interior

For fashion

People also use #6552CC with

Carolina Blue Medium Orchid Yellow Green 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 5.8:1. Use

Subtle surface Use #E2E0F1 for cards and hover fills. Tint 80

Avoid beside #8D52CB — 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 #6552CC at work across the surfaces designers actually ship.

Website / UI

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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

Every model

Export

:root {
  --color-base: #6552CC;
  --color-base-rgb: 101 82 204;
  --color-base-oklch: oklch(52.5% 0.181 285.4);
  --color-50: #F4F3FC;
  --color-100: #E2DFF6;
  --color-200: #C7C0EC;
  --color-300: #9F95DA;
  --color-400: #7A6CC6;
  --color-500: #594BAA;
  --color-600: #493F83;
  --color-700: #38325D;
  --color-800: #27233D;
  --color-900: #191726;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  slate-blue: {
    50: '#F4F3FC',
    100: '#E2DFF6',
    200: '#C7C0EC',
    300: '#9F95DA',
    400: '#7A6CC6',
    500: '#594BAA',
    600: '#493F83',
    700: '#38325D',
    800: '#27233D',
    900: '#191726',
  },
}

$base: #6552CC;
$base-ink: #FFFFFF;
$base-50: #F4F3FC;
$base-100: #E2DFF6;
$base-200: #C7C0EC;
$base-300: #9F95DA;
$base-400: #7A6CC6;
$base-500: #594BAA;
$base-600: #493F83;
$base-700: #38325D;
$base-800: #27233D;
$base-900: #191726;
$base-hover: #4735B0;
$base-subtle: #D4D0EB;

{
    "color": {
        "base": {
            "value": "#6552CC",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F3FC",
                "type": "color"
            },
            "100": {
                "value": "#E2DFF6",
                "type": "color"
            },
            "200": {
                "value": "#C7C0EC",
                "type": "color"
            },
            "300": {
                "value": "#9F95DA",
                "type": "color"
            },
            "400": {
                "value": "#7A6CC6",
                "type": "color"
            },
            "500": {
                "value": "#594BAA",
                "type": "color"
            },
            "600": {
                "value": "#493F83",
                "type": "color"
            },
            "700": {
                "value": "#38325D",
                "type": "color"
            },
            "800": {
                "value": "#27233D",
                "type": "color"
            },
            "900": {
                "value": "#191726",
                "type": "color"
            }
        }
    }
}

Palettes built on #6552CC

Color Lab

Pairs with #6552CC

UI roles & guardrails

In real applications

Scales

Every model

Export