What color is #3917AA?

#3917AA is a dark, vivid indigo. In RGB it is rgb(57, 23, 170), and in HSL hsl(254, 76%, 38%).

Is #3917AA accessible as text?

On white, #3917AA 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 #3917AA, use white for the best readability.

What is the closest Tailwind color to #3917AA?

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

What colors go well with #3917AA?

#3917AA pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #88AB17. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3917AA below.

Is #3917AA good for buttons?

#3917AA works well for buttons and highlights, but use white text on #3917AA — black text only reaches 1.88:1, below the 4.5:1 needed for normal-size labels.

Is #3917AA the same as CSS indigo?

No — #3917AA is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#3917AA Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3917AA

Not just a swatch — here's how #3917AA works with other colors. Named schemes with #3917AA in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #3917AA Anchor #141210 Accent #DB9758 Secondary #272833 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 #3917AA Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #2F005E

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 #3917AA Secondary #606391 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 #3917AA Accent #A5C4C3 Surface #EAD5BF Secondary #9AA0A1 Anchor #22334A

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 #3917AA Secondary #E86A71 Accent #F5934D 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 #3917AA 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 18/100

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 60/100

High

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

Brand distinctiveness 80/100

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 69/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #3917AA

For UI

For branding

For interior

For fashion

People also use #3917AA with

Cerulean Mauveine Citron Gainsboro Russian Violet

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 #D6CEF1 for cards and hover fills. Tint 80

Avoid beside #6B17AB — 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 #3917AA 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: #3917AA;
  --color-base-rgb: 57 23 170;
  --color-base-oklch: oklch(37.7% 0.208 280.4);
  --color-50: #F4F1FE;
  --color-100: #E2DAFB;
  --color-200: #C6B7F5;
  --color-300: #9D87E9;
  --color-400: #775AD8;
  --color-500: #5737BD;
  --color-600: #483290;
  --color-700: #372966;
  --color-800: #271E43;
  --color-900: #191429;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  egyptian-blue: {
    50: '#F4F1FE',
    100: '#E2DAFB',
    200: '#C6B7F5',
    300: '#9D87E9',
    400: '#775AD8',
    500: '#5737BD',
    600: '#483290',
    700: '#372966',
    800: '#271E43',
    900: '#191429',
  },
}

$base: #3917AA;
$base-ink: #FFFFFF;
$base-50: #F4F1FE;
$base-100: #E2DAFB;
$base-200: #C6B7F5;
$base-300: #9D87E9;
$base-400: #775AD8;
$base-500: #5737BD;
$base-600: #483290;
$base-700: #372966;
$base-800: #271E43;
$base-900: #191429;
$base-hover: #2E1388;
$base-subtle: #C1B4EB;

{
    "color": {
        "base": {
            "value": "#3917AA",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F1FE",
                "type": "color"
            },
            "100": {
                "value": "#E2DAFB",
                "type": "color"
            },
            "200": {
                "value": "#C6B7F5",
                "type": "color"
            },
            "300": {
                "value": "#9D87E9",
                "type": "color"
            },
            "400": {
                "value": "#775AD8",
                "type": "color"
            },
            "500": {
                "value": "#5737BD",
                "type": "color"
            },
            "600": {
                "value": "#483290",
                "type": "color"
            },
            "700": {
                "value": "#372966",
                "type": "color"
            },
            "800": {
                "value": "#271E43",
                "type": "color"
            },
            "900": {
                "value": "#191429",
                "type": "color"
            }
        }
    }
}

Palettes built on #3917AA

Color Lab

Pairs with #3917AA

UI roles & guardrails

In real applications

Scales

Every model

Export