What color is #3824CD?

#3824CD is a medium, vivid indigo. In RGB it is rgb(56, 36, 205), and in HSL hsl(247, 70%, 47%).

Is #3824CD accessible as text?

On white, #3824CD has a contrast ratio of 9.12:1 (passes WCAG AA for body text); on black it is 2.30:1 (fails). For text placed on #3824CD, use white for the best readability.

What is the closest Tailwind color to #3824CD?

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

What colors go well with #3824CD?

#3824CD pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B8CC24. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3824CD below.

Is #3824CD good for buttons?

#3824CD works well for buttons and highlights, but use white text on #3824CD — black text only reaches 2.30:1, below the 4.5:1 needed for normal-size labels.

Is #3824CD the same as CSS mediumblue?

No — #3824CD is not the CSS named color mediumblue, but mediumblue (#0000CD) is the closest CSS named color.

#3824CD Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3824CD

Not just a swatch — here's how #3824CD works with other colors. Named schemes with #3824CD in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #3824CD Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #5359EA

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

Coastal Morning Lead · 5 colors

Lead #3824CD Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

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

Berry & Cream Lead · 5 colors

Lead #3824CD Surface #F6E5D8 Anchor #5B2143 Accent #E5C2C9 Secondary #322B2F

Medium 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 #3824CD Secondary #6873A8 Support #9D9088 Ink #18140F

Medium 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 Medium Blue carrying the quiet middle.

Sunset Warmth Glow · 5 colors

Glow #3824CD Secondary #E86A72 Accent #F6924F Anchor #573B58 Surface #F7E7D7

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

Build a working theme in the generator →

Color Lab

How #3824CD 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 15/100

Cool

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

Softness 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 63/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 10/100

Very low

Clean and current — no dusty, aged cast.

Luxury 54/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 92/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 57/100

Moderate

Workable accent with care around contrast.

Surface fit 12/100

Very low

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

Print safety 62/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #3824CD

For UI

For branding

For interior

For fashion

People also use #3824CD with

Signal Blue Dark Orchid Yellow Green Gainsboro Prussian Blue

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA

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 9.1:1. Use

Subtle surface Use #DAD6F2 for cards and hover fills. Tint 80

Avoid beside #6F24CC — 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 #3824CD 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: #3824CD;
  --color-base-rgb: 56 36 205;
  --color-base-oklch: oklch(42.8% 0.238 274.9);
  --color-50: #F3F1FD;
  --color-100: #DFDBFA;
  --color-200: #C0BAF3;
  --color-300: #958AE5;
  --color-400: #6D5FD3;
  --color-500: #4B3DB8;
  --color-600: #3F358C;
  --color-700: #322B64;
  --color-800: #242041;
  --color-900: #171528;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  medium-blue: {
    50: '#F3F1FD',
    100: '#DFDBFA',
    200: '#C0BAF3',
    300: '#958AE5',
    400: '#6D5FD3',
    500: '#4B3DB8',
    600: '#3F358C',
    700: '#322B64',
    800: '#242041',
    900: '#171528',
  },
}

$base: #3824CD;
$base-ink: #FFFFFF;
$base-50: #F3F1FD;
$base-100: #DFDBFA;
$base-200: #C0BAF3;
$base-300: #958AE5;
$base-400: #6D5FD3;
$base-500: #4B3DB8;
$base-600: #3F358C;
$base-700: #322B64;
$base-800: #242041;
$base-900: #171528;
$base-hover: #2C1DA3;
$base-subtle: #C6C1EC;

{
    "color": {
        "base": {
            "value": "#3824CD",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F1FD",
                "type": "color"
            },
            "100": {
                "value": "#DFDBFA",
                "type": "color"
            },
            "200": {
                "value": "#C0BAF3",
                "type": "color"
            },
            "300": {
                "value": "#958AE5",
                "type": "color"
            },
            "400": {
                "value": "#6D5FD3",
                "type": "color"
            },
            "500": {
                "value": "#4B3DB8",
                "type": "color"
            },
            "600": {
                "value": "#3F358C",
                "type": "color"
            },
            "700": {
                "value": "#322B64",
                "type": "color"
            },
            "800": {
                "value": "#242041",
                "type": "color"
            },
            "900": {
                "value": "#171528",
                "type": "color"
            }
        }
    }
}

Palettes built on #3824CD

Color Lab

Pairs with #3824CD

UI roles & guardrails

In real applications

Scales

Every model

Export