What color is #311CAA?

#311CAA is a dark, vivid indigo. In RGB it is rgb(49, 28, 170), and in HSL hsl(249, 72%, 39%).

Is #311CAA accessible as text?

On white, #311CAA has a contrast ratio of 11.19:1 (passes WCAG AA for body text); on black it is 1.88:1 (fails). For text placed on #311CAA, use white for the best readability.

What is the closest Tailwind color to #311CAA?

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

What colors go well with #311CAA?

#311CAA pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #96AB1C. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #311CAA below.

Is #311CAA good for buttons?

#311CAA works well for buttons and highlights, but use white text on #311CAA — black text only reaches 1.88:1, below the 4.5:1 needed for normal-size labels.

Is #311CAA the same as CSS mediumblue?

No — #311CAA is not the CSS named color mediumblue, but mediumblue (#0000CD) is the closest CSS named color.

#311CAA Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #311CAA

Not just a swatch — here's how #311CAA works with other colors. Named schemes with #311CAA in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #311CAA Anchor #141210 Accent #DC9758 Secondary #262833 Surface #F3ECE3

Egyptian Blue carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Moody Editorial Color · 5 colors

Color #311CAA Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #2C005F

Egyptian Blue adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Egyptian Blue.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #311CAA Secondary #5D6491 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 #311CAA 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 #311CAA Secondary #E86A72 Accent #F6924E 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.

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Color Lab

How #311CAA 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 18/100

Very low

Clean and current — no dusty, aged cast.

Luxury 61/100

High

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

Brand distinctiveness 79/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 56/100

Moderate

Workable accent with care around contrast.

Surface fit 16/100

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 #311CAA

For UI

For branding

For interior

For fashion

People also use #311CAA with

True 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 11.2:1. Use

Subtle surface Use #D5D0F0 for cards and hover fills. Tint 80

Avoid beside #611CAB — 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 #311CAA 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: #311CAA;
  --color-base-rgb: 49 28 170;
  --color-base-oklch: oklch(37.6% 0.206 276.6);
  --color-50: #F3F1FD;
  --color-100: #E0DBFA;
  --color-200: #C2B9F3;
  --color-300: #9789E6;
  --color-400: #6F5DD5;
  --color-500: #4E3BBA;
  --color-600: #42348E;
  --color-700: #332A64;
  --color-800: #241F42;
  --color-900: #181528;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  egyptian-blue: {
    50: '#F3F1FD',
    100: '#E0DBFA',
    200: '#C2B9F3',
    300: '#9789E6',
    400: '#6F5DD5',
    500: '#4E3BBA',
    600: '#42348E',
    700: '#332A64',
    800: '#241F42',
    900: '#181528',
  },
}

$base: #311CAA;
$base-ink: #FFFFFF;
$base-50: #F3F1FD;
$base-100: #E0DBFA;
$base-200: #C2B9F3;
$base-300: #9789E6;
$base-400: #6F5DD5;
$base-500: #4E3BBA;
$base-600: #42348E;
$base-700: #332A64;
$base-800: #241F42;
$base-900: #181528;
$base-hover: #271689;
$base-subtle: #BEB7EA;

{
    "color": {
        "base": {
            "value": "#311CAA",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F1FD",
                "type": "color"
            },
            "100": {
                "value": "#E0DBFA",
                "type": "color"
            },
            "200": {
                "value": "#C2B9F3",
                "type": "color"
            },
            "300": {
                "value": "#9789E6",
                "type": "color"
            },
            "400": {
                "value": "#6F5DD5",
                "type": "color"
            },
            "500": {
                "value": "#4E3BBA",
                "type": "color"
            },
            "600": {
                "value": "#42348E",
                "type": "color"
            },
            "700": {
                "value": "#332A64",
                "type": "color"
            },
            "800": {
                "value": "#241F42",
                "type": "color"
            },
            "900": {
                "value": "#181528",
                "type": "color"
            }
        }
    }
}

Palettes built on #311CAA

Color Lab

Pairs with #311CAA

UI roles & guardrails

In real applications

Scales

Every model

Export