What color is #335ECC?

#335ECC is a medium blue. In RGB it is rgb(51, 94, 204), and in HSL hsl(223, 60%, 50%).

Is #335ECC accessible as text?

On white, #335ECC has a contrast ratio of 5.81:1 (passes WCAG AA for body text); on black it is 3.61:1 (fails). For text placed on #335ECC, use white for the best readability.

What is the closest Tailwind color to #335ECC?

The nearest Tailwind CSS token is blue-700 (#1447E6).

What colors go well with #335ECC?

#335ECC pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CCA133. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #335ECC below.

Is #335ECC good for buttons?

#335ECC works well for buttons and highlights, but use white text on #335ECC — black text only reaches 3.61:1, below the 4.5:1 needed for normal-size labels.

Is #335ECC the same as CSS royalblue?

No — #335ECC is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#335ECC Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #335ECC

Not just a swatch — here's how #335ECC works with other colors. Named schemes with #335ECC in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #335ECC Accent #A5C4C2 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

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

Tech Product Signal · 5 colors

Signal #335ECC Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #5A86EB

Denim 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 Denim Blue.

Vintage Leather Lead · 5 colors

Lead #335ECC Secondary #7F4536 Surface #EED7C2 Accent #365246 Anchor #58223A

Denim 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.

Berry & Cream Lead · 5 colors

Lead #335ECC Surface #F6E5D8 Anchor #5B2144 Accent #E5C2CA Secondary #322B2F

Denim 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 #335ECC Secondary #7E91B8 Support #9D8F88 Ink #18140F

Denim 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 Denim Blue carrying the quiet middle.

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Color Lab

How #335ECC 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 9/100

Cool

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

Softness 35/100

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 31/100

Low

A faint retro warmth without tipping into sepia.

Luxury 51/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 48/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 94/100

Very high

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

Surface fit 9/100

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 #335ECC

For UI

For branding

For interior

For fashion

People also use #335ECC with

Lagoon Blue Grape Goldenrod Gainsboro Charcoal

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 5.8:1. Use

Subtle surface Use #DAE1F1 for cards and hover fills. Tint 80

Avoid beside #3B33CC — 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 #335ECC 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: #335ECC;
  --color-base-rgb: 51 94 204;
  --color-base-oklch: oklch(51.6% 0.178 264.7);
  --color-50: #F2F5FC;
  --color-100: #DEE5F8;
  --color-200: #BECCEF;
  --color-300: #91A7DE;
  --color-400: #6783CB;
  --color-500: #4664AF;
  --color-600: #3C5186;
  --color-700: #2F3D60;
  --color-800: #222A3F;
  --color-900: #161B27;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  denim-blue: {
    50: '#F2F5FC',
    100: '#DEE5F8',
    200: '#BECCEF',
    300: '#91A7DE',
    400: '#6783CB',
    500: '#4664AF',
    600: '#3C5186',
    700: '#2F3D60',
    800: '#222A3F',
    900: '#161B27',
  },
}

$base: #335ECC;
$base-ink: #FFFFFF;
$base-50: #F2F5FC;
$base-100: #DEE5F8;
$base-200: #BECCEF;
$base-300: #91A7DE;
$base-400: #6783CB;
$base-500: #4664AF;
$base-600: #3C5186;
$base-700: #2F3D60;
$base-800: #222A3F;
$base-900: #161B27;
$base-hover: #294BA3;
$base-subtle: #C7D1EA;

{
    "color": {
        "base": {
            "value": "#335ECC",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F5FC",
                "type": "color"
            },
            "100": {
                "value": "#DEE5F8",
                "type": "color"
            },
            "200": {
                "value": "#BECCEF",
                "type": "color"
            },
            "300": {
                "value": "#91A7DE",
                "type": "color"
            },
            "400": {
                "value": "#6783CB",
                "type": "color"
            },
            "500": {
                "value": "#4664AF",
                "type": "color"
            },
            "600": {
                "value": "#3C5186",
                "type": "color"
            },
            "700": {
                "value": "#2F3D60",
                "type": "color"
            },
            "800": {
                "value": "#222A3F",
                "type": "color"
            },
            "900": {
                "value": "#161B27",
                "type": "color"
            }
        }
    }
}

Palettes built on #335ECC

Color Lab

Pairs with #335ECC

UI roles & guardrails

In real applications

Scales

Every model

Export