What color is #545AAB?

#545AAB is a medium, muted blue-violet. In RGB it is rgb(84, 90, 171), and in HSL hsl(236, 34%, 50%).

Is #545AAB accessible as text?

On white, #545AAB has a contrast ratio of 6.13:1 (passes WCAG AA for body text); on black it is 3.43:1 (fails). For text placed on #545AAB, use white for the best readability.

What is the closest Tailwind color to #545AAB?

The nearest Tailwind CSS token is sky-700 (#0069A8).

What colors go well with #545AAB?

#545AAB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #ABA554. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #545AAB below.

Is #545AAB good for buttons?

#545AAB works well for buttons and highlights, but use white text on #545AAB — black text only reaches 3.43:1, below the 4.5:1 needed for normal-size labels.

Is #545AAB the same as CSS slateblue?

No — #545AAB is not the CSS named color slateblue, but slateblue (#6A5ACD) is the closest CSS named color.

#545AAB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #545AAB

Not just a swatch — here's how #545AAB works with other colors. Named schemes with #545AAB in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #545AAB Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #22344A

Tanzanite 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 #545AAB Secondary #7F4534 Surface #EED7C2 Accent #365247 Anchor #582239

Tanzanite 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 #545AAB Anchor #3B2923 Surface #F3E1D2 Accent #769F7B Secondary #3C3734

Tanzanite 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 #545AAB Surface #F6E5D8 Anchor #5B2142 Accent #E5C2C9 Secondary #322B2F

Tanzanite 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 #545AAB Secondary #868BA9 Support #9D9088 Ink #18140F

Tanzanite 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 Tanzanite carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #545AAB 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 25/100

Cool

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

Softness 40/100

Low

Middle-weight — neither delicate nor heavy.

Depth 51/100

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 49/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 56/100

Moderate

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 34/100

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 14/100

Very low

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

Print safety 80/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #545AAB

For UI

For branding

For interior

For fashion

People also use #545AAB with

Iceberg Royal Purple Brass 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 6.1:1. Use

Subtle surface Use #DFE0EC for cards and hover fills. Tint 80

Avoid beside #6B54AB — 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 #545AAB 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: #545AAB;
  --color-base-rgb: 84 90 171;
  --color-base-oklch: oklch(50.3% 0.127 277.6);
  --color-50: #F4F5FA;
  --color-100: #E3E4F2;
  --color-200: #C8CAE4;
  --color-300: #A2A5CE;
  --color-400: #7D81B5;
  --color-500: #5C6098;
  --color-600: #4C4F76;
  --color-700: #3A3C55;
  --color-800: #282939;
  --color-900: #1A1B23;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  tanzanite: {
    50: '#F4F5FA',
    100: '#E3E4F2',
    200: '#C8CAE4',
    300: '#A2A5CE',
    400: '#7D81B5',
    500: '#5C6098',
    600: '#4C4F76',
    700: '#3A3C55',
    800: '#282939',
    900: '#1A1B23',
  },
}

$base: #545AAB;
$base-ink: #FFFFFF;
$base-50: #F4F5FA;
$base-100: #E3E4F2;
$base-200: #C8CAE4;
$base-300: #A2A5CE;
$base-400: #7D81B5;
$base-500: #5C6098;
$base-600: #4C4F76;
$base-700: #3A3C55;
$base-800: #282939;
$base-900: #1A1B23;
$base-hover: #434889;
$base-subtle: #CFD0E3;

{
    "color": {
        "base": {
            "value": "#545AAB",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F5FA",
                "type": "color"
            },
            "100": {
                "value": "#E3E4F2",
                "type": "color"
            },
            "200": {
                "value": "#C8CAE4",
                "type": "color"
            },
            "300": {
                "value": "#A2A5CE",
                "type": "color"
            },
            "400": {
                "value": "#7D81B5",
                "type": "color"
            },
            "500": {
                "value": "#5C6098",
                "type": "color"
            },
            "600": {
                "value": "#4C4F76",
                "type": "color"
            },
            "700": {
                "value": "#3A3C55",
                "type": "color"
            },
            "800": {
                "value": "#282939",
                "type": "color"
            },
            "900": {
                "value": "#1A1B23",
                "type": "color"
            }
        }
    }
}

Palettes built on #545AAB

Color Lab

Pairs with #545AAB

UI roles & guardrails

In real applications

Scales

Every model

Export