What color is #3F35CA?

#3F35CA is a medium blue-violet. In RGB it is rgb(63, 53, 202), and in HSL hsl(244, 58%, 50%).

Is #3F35CA accessible as text?

On white, #3F35CA has a contrast ratio of 8.16:1 (passes WCAG AA for body text); on black it is 2.57:1 (fails). For text placed on #3F35CA, use white for the best readability.

What is the closest Tailwind color to #3F35CA?

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

What colors go well with #3F35CA?

#3F35CA pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #C0C936. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3F35CA below.

Is #3F35CA good for buttons?

#3F35CA works well for buttons and highlights, but use white text on #3F35CA — black text only reaches 2.57:1, below the 4.5:1 needed for normal-size labels.

Is #3F35CA the same as CSS mediumblue?

No — #3F35CA is not the CSS named color mediumblue, but mediumblue (#0000CD) is the closest CSS named color.

#3F35CA Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3F35CA

Not just a swatch — here's how #3F35CA works with other colors. Named schemes with #3F35CA in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #3F35CA Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #5D63E8

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 #3F35CA 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 #3F35CA Secondary #7179AB 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 #3F35CA Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #21344A

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 #3F35CA Secondary #E86A72 Accent #F6924E Anchor #573B57 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 #3F35CA 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 27/100

Low

Firm and assertive — carries weight and contrast.

Depth 60/100

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 17/100

Very low

Clean and current — no dusty, aged cast.

Luxury 54/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 84/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 70/100

High

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

Surface fit 11/100

Very low

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

Print safety 65/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #3F35CA

For UI

For branding

For interior

For fashion

People also use #3F35CA with

Carolina 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 8.2:1. Use

Subtle surface Use #DCDBF0 for cards and hover fills. Tint 80

Avoid beside #7136C9 — 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 #3F35CA 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: #3F35CA;
  --color-base-rgb: 63 53 202;
  --color-base-oklch: oklch(45.0% 0.218 276.0);
  --color-50: #F3F2FC;
  --color-100: #E0DEF7;
  --color-200: #C2BFEE;
  --color-300: #9792DD;
  --color-400: #6F69C9;
  --color-500: #4E47AD;
  --color-600: #423D85;
  --color-700: #33305F;
  --color-800: #24233E;
  --color-900: #181726;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  cerulean: {
    50: '#F3F2FC',
    100: '#E0DEF7',
    200: '#C2BFEE',
    300: '#9792DD',
    400: '#6F69C9',
    500: '#4E47AD',
    600: '#423D85',
    700: '#33305F',
    800: '#24233E',
    900: '#181726',
  },
}

$base: #3F35CA;
$base-ink: #FFFFFF;
$base-50: #F3F2FC;
$base-100: #E0DEF7;
$base-200: #C2BFEE;
$base-300: #9792DD;
$base-400: #6F69C9;
$base-500: #4E47AD;
$base-600: #423D85;
$base-700: #33305F;
$base-800: #24233E;
$base-900: #181726;
$base-hover: #332BA1;
$base-subtle: #CAC8EA;

{
    "color": {
        "base": {
            "value": "#3F35CA",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F2FC",
                "type": "color"
            },
            "100": {
                "value": "#E0DEF7",
                "type": "color"
            },
            "200": {
                "value": "#C2BFEE",
                "type": "color"
            },
            "300": {
                "value": "#9792DD",
                "type": "color"
            },
            "400": {
                "value": "#6F69C9",
                "type": "color"
            },
            "500": {
                "value": "#4E47AD",
                "type": "color"
            },
            "600": {
                "value": "#423D85",
                "type": "color"
            },
            "700": {
                "value": "#33305F",
                "type": "color"
            },
            "800": {
                "value": "#24233E",
                "type": "color"
            },
            "900": {
                "value": "#181726",
                "type": "color"
            }
        }
    }
}

Palettes built on #3F35CA

Color Lab

Pairs with #3F35CA

UI roles & guardrails

In real applications

Scales

Every model

Export