What color is #372FA9?

#372FA9 is a medium blue-violet. In RGB it is rgb(55, 47, 169), and in HSL hsl(244, 56%, 42%).

Is #372FA9 accessible as text?

On white, #372FA9 has a contrast ratio of 9.80:1 (passes WCAG AA for body text); on black it is 2.14:1 (fails). For text placed on #372FA9, use white for the best readability.

What is the closest Tailwind color to #372FA9?

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

What colors go well with #372FA9?

#372FA9 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #9FA72F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #372FA9 below.

Is #372FA9 good for buttons?

#372FA9 works well for buttons and highlights, but use white text on #372FA9 — black text only reaches 2.14:1, below the 4.5:1 needed for normal-size labels.

Is #372FA9 the same as CSS darkslateblue?

No — #372FA9 is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#372FA9 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #372FA9

Not just a swatch — here's how #372FA9 works with other colors. Named schemes with #372FA9 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #372FA9 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #555AC7

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 #372FA9 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 #372FA9 Secondary #666C96 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 #372FA9 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 #372FA9 Secondary #E86A72 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 #372FA9 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 27/100

Low

Firm and assertive — carries weight and contrast.

Depth 63/100

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 25/100

Low

Clean and current — no dusty, aged cast.

Luxury 60/100

High

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

Brand distinctiveness 72/100

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 14/100

Very low

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

Print safety 71/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #372FA9

For UI

For branding

For interior

For fashion

People also use #372FA9 with

Steel Blue Grape 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 9.8:1. Use

Subtle surface Use #D7D5ED for cards and hover fills. Tint 80

Avoid beside #5F2FA7 — 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 #372FA9 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: #372FA9;
  --color-base-rgb: 55 47 169;
  --color-base-oklch: oklch(40.3% 0.186 276.9);
  --color-50: #F3F3FC;
  --color-100: #E0DFF7;
  --color-200: #C2BFED;
  --color-300: #9893DC;
  --color-400: #716BC7;
  --color-500: #5049AC;
  --color-600: #433E84;
  --color-700: #34315E;
  --color-800: #25233E;
  --color-900: #181726;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  egyptian-blue: {
    50: '#F3F3FC',
    100: '#E0DFF7',
    200: '#C2BFED',
    300: '#9893DC',
    400: '#716BC7',
    500: '#5049AC',
    600: '#433E84',
    700: '#34315E',
    800: '#25233E',
    900: '#181726',
  },
}

$base: #372FA9;
$base-ink: #FFFFFF;
$base-50: #F3F3FC;
$base-100: #E0DFF7;
$base-200: #C2BFED;
$base-300: #9893DC;
$base-400: #716BC7;
$base-500: #5049AC;
$base-600: #433E84;
$base-700: #34315E;
$base-800: #25233E;
$base-900: #181726;
$base-hover: #2C2686;
$base-subtle: #C2C0E6;

{
    "color": {
        "base": {
            "value": "#372FA9",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F3FC",
                "type": "color"
            },
            "100": {
                "value": "#E0DFF7",
                "type": "color"
            },
            "200": {
                "value": "#C2BFED",
                "type": "color"
            },
            "300": {
                "value": "#9893DC",
                "type": "color"
            },
            "400": {
                "value": "#716BC7",
                "type": "color"
            },
            "500": {
                "value": "#5049AC",
                "type": "color"
            },
            "600": {
                "value": "#433E84",
                "type": "color"
            },
            "700": {
                "value": "#34315E",
                "type": "color"
            },
            "800": {
                "value": "#25233E",
                "type": "color"
            },
            "900": {
                "value": "#181726",
                "type": "color"
            }
        }
    }
}

Palettes built on #372FA9

Color Lab

Pairs with #372FA9

UI roles & guardrails

In real applications

Scales

Every model

Export