What color is #6545BC?

#6545BC is a medium indigo. In RGB it is rgb(101, 69, 188), and in HSL hsl(256, 47%, 50%).

Is #6545BC accessible as text?

On white, #6545BC has a contrast ratio of 6.71:1 (passes WCAG AA for body text); on black it is 3.13:1 (fails). For text placed on #6545BC, use white for the best readability.

What is the closest Tailwind color to #6545BC?

The nearest Tailwind CSS token is purple-800 (#6E11B0).

What colors go well with #6545BC?

#6545BC pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #9BBB44. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #6545BC below.

Is #6545BC good for buttons?

#6545BC works well for buttons and highlights, but use white text on #6545BC — black text only reaches 3.13:1, below the 4.5:1 needed for normal-size labels.

Is #6545BC the same as CSS slateblue?

No — #6545BC is not the CSS named color slateblue, but slateblue (#6A5ACD) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#6545BC Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #6545BC

Not just a swatch — here's how #6545BC works with other colors. Named schemes with #6545BC in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #6545BC Surface #F5E5D7 Anchor #5C2141 Accent #E5C2C8 Secondary #332B2F

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

Coastal Morning Lead · 5 colors

Lead #6545BC Accent #A5C4C3 Surface #E9D6BF 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 #6545BC Secondary #7E4633 Surface #EDD8C2 Accent #355248 Anchor #582237

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 #6545BC Anchor #3B2923 Surface #F3E1D2 Accent #749F7D 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.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #6545BC Secondary #8984AD 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 #6545BC 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 26/100

Cool

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

Softness 34/100

Low

Middle-weight — neither delicate nor heavy.

Depth 54/100

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 53/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 48/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 92/100

Very high

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

Surface fit 8/100

Very low

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

Print safety 76/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #6545BC

For UI

For branding

For interior

For fashion

People also use #6545BC with

Glaucous Dark Orchid Peridot Gainsboro Russian Violet

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 6.7:1. Use

Subtle surface Use #E1DDEE for cards and hover fills. Tint 80

Avoid beside #8B44BB — 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 #6545BC 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: #6545BC;
  --color-base-rgb: 101 69 188;
  --color-base-oklch: oklch(49.2% 0.178 290.8);
  --color-50: #F6F3FB;
  --color-100: #E6E0F5;
  --color-200: #CDC3E9;
  --color-300: #A999D6;
  --color-400: #8772C0;
  --color-500: #6751A4;
  --color-600: #53447E;
  --color-700: #3F345A;
  --color-800: #2B253C;
  --color-900: #1C1825;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  slate-blue: {
    50: '#F6F3FB',
    100: '#E6E0F5',
    200: '#CDC3E9',
    300: '#A999D6',
    400: '#8772C0',
    500: '#6751A4',
    600: '#53447E',
    700: '#3F345A',
    800: '#2B253C',
    900: '#1C1825',
  },
}

$base: #6545BC;
$base-ink: #FFFFFF;
$base-50: #F6F3FB;
$base-100: #E6E0F5;
$base-200: #CDC3E9;
$base-300: #A999D6;
$base-400: #8772C0;
$base-500: #6751A4;
$base-600: #53447E;
$base-700: #3F345A;
$base-800: #2B253C;
$base-900: #1C1825;
$base-hover: #503696;
$base-subtle: #D2CBE6;

{
    "color": {
        "base": {
            "value": "#6545BC",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F3FB",
                "type": "color"
            },
            "100": {
                "value": "#E6E0F5",
                "type": "color"
            },
            "200": {
                "value": "#CDC3E9",
                "type": "color"
            },
            "300": {
                "value": "#A999D6",
                "type": "color"
            },
            "400": {
                "value": "#8772C0",
                "type": "color"
            },
            "500": {
                "value": "#6751A4",
                "type": "color"
            },
            "600": {
                "value": "#53447E",
                "type": "color"
            },
            "700": {
                "value": "#3F345A",
                "type": "color"
            },
            "800": {
                "value": "#2B253C",
                "type": "color"
            },
            "900": {
                "value": "#1C1825",
                "type": "color"
            }
        }
    }
}

Palettes built on #6545BC

Color Lab

Pairs with #6545BC

UI roles & guardrails

In real applications

Scales

Every model

Export