What color is #4D4DD3?

#4D4DD3 is a medium blue-violet. In RGB it is rgb(77, 77, 211), and in HSL hsl(240, 60%, 56%).

Is #4D4DD3 accessible as text?

On white, #4D4DD3 has a contrast ratio of 6.33:1 (passes WCAG AA for body text); on black it is 3.32:1 (fails). For text placed on #4D4DD3, use white for the best readability.

What is the closest Tailwind color to #4D4DD3?

The nearest Tailwind CSS token is indigo-600 (#4F39F6).

What colors go well with #4D4DD3?

#4D4DD3 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #D2D24B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #4D4DD3 below.

Is #4D4DD3 good for buttons?

#4D4DD3 works well for buttons and highlights, but use white text on #4D4DD3 — black text only reaches 3.32:1, below the 4.5:1 needed for normal-size labels.

Is #4D4DD3 the same as CSS slateblue?

No — #4D4DD3 is not the CSS named color slateblue, but slateblue (#6A5ACD) is the closest CSS named color.

#4D4DD3 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #4D4DD3

Not just a swatch — here's how #4D4DD3 works with other colors. Named schemes with #4D4DD3 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #4D4DD3 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #6E77F1

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 #4D4DD3 Surface #F6E5D8 Anchor #5B2143 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 #4D4DD3 Secondary #828AB8 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 #4D4DD3 Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #22344A

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 #4D4DD3 Secondary #E86A72 Accent #F6924E 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.

Build a working theme in the generator →

Color Lab

How #4D4DD3 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 16/100

Cool

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

Softness 32/100

Low

Middle-weight — neither delicate nor heavy.

Depth 53/100

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 24/100

Low

Clean and current — no dusty, aged cast.

Luxury 51/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 77/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 85/100

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 68/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #4D4DD3

For UI

For branding

For interior

For fashion

People also use #4D4DD3 with

Iceberg Dark Orchid Citrine 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 6.3:1. Use

Subtle surface Use #DFDFF2 for cards and hover fills. Tint 80

Avoid beside #784BD2 — 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 #4D4DD3 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: #4D4DD3;
  --color-base-rgb: 77 77 211;
  --color-base-oklch: oklch(50.4% 0.200 276.5);
  --color-50: #F2F2FC;
  --color-100: #DEDEF8;
  --color-200: #BEBEEF;
  --color-300: #9191DE;
  --color-400: #6767CB;
  --color-500: #4646AF;
  --color-600: #3C3C86;
  --color-700: #2F2F60;
  --color-800: #22223F;
  --color-900: #161627;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  cerulean: {
    50: '#F2F2FC',
    100: '#DEDEF8',
    200: '#BEBEEF',
    300: '#9191DE',
    400: '#6767CB',
    500: '#4646AF',
    600: '#3C3C86',
    700: '#2F2F60',
    800: '#22223F',
    900: '#161627',
  },
}

$base: #4D4DD3;
$base-ink: #FFFFFF;
$base-50: #F2F2FC;
$base-100: #DEDEF8;
$base-200: #BEBEEF;
$base-300: #9191DE;
$base-400: #6767CB;
$base-500: #4646AF;
$base-600: #3C3C86;
$base-700: #2F2F60;
$base-800: #22223F;
$base-900: #161627;
$base-hover: #2E2EB7;
$base-subtle: #CECEED;

{
    "color": {
        "base": {
            "value": "#4D4DD3",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F2FC",
                "type": "color"
            },
            "100": {
                "value": "#DEDEF8",
                "type": "color"
            },
            "200": {
                "value": "#BEBEEF",
                "type": "color"
            },
            "300": {
                "value": "#9191DE",
                "type": "color"
            },
            "400": {
                "value": "#6767CB",
                "type": "color"
            },
            "500": {
                "value": "#4646AF",
                "type": "color"
            },
            "600": {
                "value": "#3C3C86",
                "type": "color"
            },
            "700": {
                "value": "#2F2F60",
                "type": "color"
            },
            "800": {
                "value": "#22223F",
                "type": "color"
            },
            "900": {
                "value": "#161627",
                "type": "color"
            }
        }
    }
}