What color is #351AAE?

#351AAE is a dark, vivid indigo. In RGB it is rgb(53, 26, 174), and in HSL hsl(251, 74%, 39%).

Is #351AAE accessible as text?

On white, #351AAE has a contrast ratio of 10.99:1 (passes WCAG AA for body text); on black it is 1.91:1 (fails). For text placed on #351AAE, use white for the best readability.

What is the closest Tailwind color to #351AAE?

The nearest Tailwind CSS token is indigo-800 (#372AAC).

What colors go well with #351AAE?

#351AAE pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #92AD1A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #351AAE below.

Is #351AAE good for buttons?

#351AAE works well for buttons and highlights, but use white text on #351AAE — black text only reaches 1.91:1, below the 4.5:1 needed for normal-size labels.

Is #351AAE the same as CSS mediumblue?

No — #351AAE is not the CSS named color mediumblue, but mediumblue (#0000CD) is the closest CSS named color.

#351AAE Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #351AAE

Not just a swatch — here's how #351AAE works with other colors. Named schemes with #351AAE in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #351AAE Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #504ECC

Egyptian 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 Egyptian Blue.

Berry & Cream Lead · 5 colors

Lead #351AAE Surface #F6E5D8 Anchor #5B2142 Accent #E5C2C9 Secondary #322B2F

Egyptian 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 #351AAE Secondary #5F6594 Support #9D9088 Ink #18140F

Egyptian 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 Egyptian Blue carrying the quiet middle.

Coastal Morning Lead · 5 colors

Lead #351AAE Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #22344A

Egyptian Blue 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 #351AAE Secondary #E86A71 Accent #F6934E Anchor #583B57 Surface #F7E7D7

Egyptian 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 #351AAE 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 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 67/100

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 17/100

Very low

Clean and current — no dusty, aged cast.

Luxury 60/100

Moderate

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 81/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 56/100

Moderate

Workable accent with care around contrast.

Surface fit 15/100

Very low

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

Print safety 67/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #351AAE

For UI

For branding

For interior

For fashion

People also use #351AAE with

Denim Blue Mauveine Citron 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 11.0:1. Use

Subtle surface Use #D5CFF0 for cards and hover fills. Tint 80

Avoid beside #661AAD — 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 #351AAE 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: #351AAE;
  --color-base-rgb: 53 26 174;
  --color-base-oklch: oklch(38.1% 0.211 277.8);
  --color-50: #F3F1FE;
  --color-100: #E0DBFB;
  --color-200: #C3B8F4;
  --color-300: #9988E7;
  --color-400: #725CD6;
  --color-500: #5139BC;
  --color-600: #44338F;
  --color-700: #342A65;
  --color-800: #251F42;
  --color-900: #181529;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  egyptian-blue: {
    50: '#F3F1FE',
    100: '#E0DBFB',
    200: '#C3B8F4',
    300: '#9988E7',
    400: '#725CD6',
    500: '#5139BC',
    600: '#44338F',
    700: '#342A65',
    800: '#251F42',
    900: '#181529',
  },
}

$base: #351AAE;
$base-ink: #FFFFFF;
$base-50: #F3F1FE;
$base-100: #E0DBFB;
$base-200: #C3B8F4;
$base-300: #9988E7;
$base-400: #725CD6;
$base-500: #5139BC;
$base-600: #44338F;
$base-700: #342A65;
$base-800: #251F42;
$base-900: #181529;
$base-hover: #2A158A;
$base-subtle: #C0B6EB;

{
    "color": {
        "base": {
            "value": "#351AAE",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F1FE",
                "type": "color"
            },
            "100": {
                "value": "#E0DBFB",
                "type": "color"
            },
            "200": {
                "value": "#C3B8F4",
                "type": "color"
            },
            "300": {
                "value": "#9988E7",
                "type": "color"
            },
            "400": {
                "value": "#725CD6",
                "type": "color"
            },
            "500": {
                "value": "#5139BC",
                "type": "color"
            },
            "600": {
                "value": "#44338F",
                "type": "color"
            },
            "700": {
                "value": "#342A65",
                "type": "color"
            },
            "800": {
                "value": "#251F42",
                "type": "color"
            },
            "900": {
                "value": "#181529",
                "type": "color"
            }
        }
    }
}

Palettes built on #351AAE

Color Lab

Pairs with #351AAE

UI roles & guardrails

In real applications

Scales

Every model

Export