What color is #533FD4?

#533FD4 is a medium indigo. In RGB it is rgb(83, 63, 212), and in HSL hsl(248, 63%, 54%).

Is #533FD4 accessible as text?

On white, #533FD4 has a contrast ratio of 6.93:1 (passes WCAG AA for body text); on black it is 3.03:1 (fails). For text placed on #533FD4, use white for the best readability.

What is the closest Tailwind color to #533FD4?

The nearest Tailwind CSS token is indigo-700 (#432DD7).

What colors go well with #533FD4?

#533FD4 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #C0D440. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #533FD4 below.

Is #533FD4 good for buttons?

#533FD4 works well for buttons and highlights, but use white text on #533FD4 — black text only reaches 3.03:1, below the 4.5:1 needed for normal-size labels.

Is #533FD4 the same as CSS slateblue?

No — #533FD4 is not the CSS named color slateblue, but slateblue (#6A5ACD) is the closest CSS named color.

#533FD4 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #533FD4

Not just a swatch — here's how #533FD4 works with other colors. Named schemes with #533FD4 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #533FD4 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #726CF2

Cerulean is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Cerulean.

Berry & Cream Lead · 5 colors

Lead #533FD4 Surface #F5E5D8 Anchor #5B2142 Accent #E5C2C9 Secondary #322B2F

Cerulean 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 #533FD4 Secondary #8083B6 Support #9D9088 Ink #18140F

Cerulean 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 Cerulean carrying the quiet middle.

Coastal Morning Lead · 5 colors

Lead #533FD4 Accent #A5C4C3 Surface #EAD5BF Secondary #9AA0A1 Anchor #22334A

Cerulean opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Sunset Warmth Glow · 5 colors

Glow #533FD4 Secondary #E86A70 Accent #F5934D Anchor #583B57 Surface #F7E7D7

Cerulean glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.

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Color Lab

How #533FD4 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 29/100

Low

Firm and assertive — carries weight and contrast.

Depth 55/100

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 19/100

Very low

Clean and current — no dusty, aged cast.

Luxury 51/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 83/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 77/100

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 68/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #533FD4

For UI

For branding

For interior

For fashion

People also use #533FD4 with

Cornflower Blue Dark Orchid Pear 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 6.9:1. Use

Subtle surface Use #E0DDF2 for cards and hover fills. Tint 80

Avoid beside #8540D4 — 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 #533FD4 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: #533FD4;
  --color-base-rgb: 83 63 212;
  --color-base-oklch: oklch(48.8% 0.216 280.8);
  --color-50: #F3F2FD;
  --color-100: #E1DDF8;
  --color-200: #C3BDF0;
  --color-300: #9A8FE0;
  --color-400: #7365CD;
  --color-500: #5243B2;
  --color-600: #443A88;
  --color-700: #352E61;
  --color-800: #252140;
  --color-900: #181627;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  cerulean: {
    50: '#F3F2FD',
    100: '#E1DDF8',
    200: '#C3BDF0',
    300: '#9A8FE0',
    400: '#7365CD',
    500: '#5243B2',
    600: '#443A88',
    700: '#352E61',
    800: '#252140',
    900: '#181627',
  },
}

$base: #533FD4;
$base-ink: #FFFFFF;
$base-50: #F3F2FD;
$base-100: #E1DDF8;
$base-200: #C3BDF0;
$base-300: #9A8FE0;
$base-400: #7365CD;
$base-500: #5243B2;
$base-600: #443A88;
$base-700: #352E61;
$base-800: #252140;
$base-900: #181627;
$base-hover: #3B29B4;
$base-subtle: #CFCBED;

{
    "color": {
        "base": {
            "value": "#533FD4",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F2FD",
                "type": "color"
            },
            "100": {
                "value": "#E1DDF8",
                "type": "color"
            },
            "200": {
                "value": "#C3BDF0",
                "type": "color"
            },
            "300": {
                "value": "#9A8FE0",
                "type": "color"
            },
            "400": {
                "value": "#7365CD",
                "type": "color"
            },
            "500": {
                "value": "#5243B2",
                "type": "color"
            },
            "600": {
                "value": "#443A88",
                "type": "color"
            },
            "700": {
                "value": "#352E61",
                "type": "color"
            },
            "800": {
                "value": "#252140",
                "type": "color"
            },
            "900": {
                "value": "#181627",
                "type": "color"
            }
        }
    }
}

Palettes built on #533FD4

Color Lab

Pairs with #533FD4

UI roles & guardrails

In real applications

Scales

Every model

Export