What color is #6563DD?

#6563DD is a light, soft blue-violet. In RGB it is rgb(101, 99, 221), and in HSL hsl(241, 64%, 63%).

Is #6563DD accessible as text?

On white, #6563DD has a contrast ratio of 4.79:1 (passes WCAG AA for body text); on black it is 4.38:1 (fails). For text placed on #6563DD, use white for the best readability.

What is the closest Tailwind color to #6563DD?

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

What colors go well with #6563DD?

#6563DD pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #DBDD64. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #6563DD below.

Is #6563DD good for buttons?

#6563DD works well for buttons and highlights, but use white text on #6563DD — black text only reaches 4.38:1, below the 4.5:1 needed for normal-size labels.

Is #6563DD the same as CSS slateblue?

No — #6563DD is not the CSS named color slateblue, but slateblue (#6A5ACD) is the closest CSS named color.

#6563DD Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #6563DD

Not just a swatch — here's how #6563DD works with other colors. Named schemes with #6563DD in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #6563DD Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #22344A

Iris 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 #6563DD Secondary #7F4534 Surface #EDD7C2 Accent #365247 Anchor #582238

Iris 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 #6563DD Anchor #3B2923 Surface #F3E1D2 Accent #769F7B Secondary #3C3734

Iris 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 #6563DD Surface #F6E5D8 Anchor #5B2142 Accent #E5C2C9 Secondary #322B2F

Iris 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 #6563DD Secondary #989DC8 Support #9D9088 Ink #18140F

Iris 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 Iris carrying the quiet middle.

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Color Lab

How #6563DD 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 38/100

Low

Middle-weight — neither delicate nor heavy.

Depth 46/100

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 47/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 49/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 91/100

Very high

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

Surface fit 14/100

Very low

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

Print safety 72/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #6563DD

For UI

For branding

For interior

For fashion

People also use #6563DD with

Maya Blue Medium Orchid Naples Yellow 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 4.8:1. Use

Subtle surface Use #E4E3F5 for cards and hover fills. Tint 80

Avoid beside #8F64DD — 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 #6563DD 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: #6563DD;
  --color-base-rgb: 101 99 221;
  --color-base-oklch: oklch(56.7% 0.181 279.6);
  --color-50: #F2F2FD;
  --color-100: #DDDDF8;
  --color-200: #BDBCF0;
  --color-300: #908EE1;
  --color-400: #6664CE;
  --color-500: #4442B3;
  --color-600: #3A3989;
  --color-700: #2E2E61;
  --color-800: #222140;
  --color-900: #161627;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  iris: {
    50: '#F2F2FD',
    100: '#DDDDF8',
    200: '#BDBCF0',
    300: '#908EE1',
    400: '#6664CE',
    500: '#4442B3',
    600: '#3A3989',
    700: '#2E2E61',
    800: '#222140',
    900: '#161627',
  },
}

$base: #6563DD;
$base-ink: #FFFFFF;
$base-50: #F2F2FD;
$base-100: #DDDDF8;
$base-200: #BDBCF0;
$base-300: #908EE1;
$base-400: #6664CE;
$base-500: #4442B3;
$base-600: #3A3989;
$base-700: #2E2E61;
$base-800: #222140;
$base-900: #161627;
$base-hover: #3230D1;
$base-subtle: #D5D5F0;

{
    "color": {
        "base": {
            "value": "#6563DD",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F2FD",
                "type": "color"
            },
            "100": {
                "value": "#DDDDF8",
                "type": "color"
            },
            "200": {
                "value": "#BDBCF0",
                "type": "color"
            },
            "300": {
                "value": "#908EE1",
                "type": "color"
            },
            "400": {
                "value": "#6664CE",
                "type": "color"
            },
            "500": {
                "value": "#4442B3",
                "type": "color"
            },
            "600": {
                "value": "#3A3989",
                "type": "color"
            },
            "700": {
                "value": "#2E2E61",
                "type": "color"
            },
            "800": {
                "value": "#222140",
                "type": "color"
            },
            "900": {
                "value": "#161627",
                "type": "color"
            }
        }
    }
}

Palettes built on #6563DD

Color Lab

Pairs with #6563DD

UI roles & guardrails

In real applications

Scales

Every model

Export