What color is #5437A5?

#5437A5 is a medium indigo. In RGB it is rgb(84, 55, 165), and in HSL hsl(256, 50%, 43%).

Is #5437A5 accessible as text?

On white, #5437A5 has a contrast ratio of 8.51:1 (passes WCAG AA for body text); on black it is 2.47:1 (fails). For text placed on #5437A5, use white for the best readability.

What is the closest Tailwind color to #5437A5?

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

What colors go well with #5437A5?

#5437A5 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #87A437. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #5437A5 below.

Is #5437A5 good for buttons?

#5437A5 works well for buttons and highlights, but use white text on #5437A5 — black text only reaches 2.47:1, below the 4.5:1 needed for normal-size labels.

Is #5437A5 the same as CSS rebeccapurple?

No — #5437A5 is not the CSS named color rebeccapurple, but rebeccapurple (#663399) is the closest CSS named color.

#5437A5 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #5437A5

Not just a swatch — here's how #5437A5 works with other colors. Named schemes with #5437A5 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #5437A5 Accent #A5C4C3 Surface #E9D6BF Secondary #9AA0A1 Anchor #22334A

Rebecca Purple opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Vintage Leather Lead · 5 colors

Lead #5437A5 Secondary #7E4633 Surface #EDD8C2 Accent #355248 Anchor #582238

Rebecca Purple plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Modern Café Dominant · 5 colors

Dominant #5437A5 Anchor #3B2923 Surface #F3E1D2 Accent #749F7D Secondary #3C3734

Rebecca Purple anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Berry & Cream Lead · 5 colors

Lead #5437A5 Surface #F5E5D7 Anchor #5C2141 Accent #E5C2C8 Secondary #332B2F

Rebecca Purple 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 #5437A5 Secondary #78749A Support #9D9088 Ink #18140F

Rebecca Purple 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 Rebecca Purple carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #5437A5 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 25/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 31/100

Low

Firm and assertive — carries weight and contrast.

Depth 59/100

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 33/100

Low

A faint retro warmth without tipping into sepia.

Luxury 59/100

Moderate

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

Brand distinctiveness 45/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 83/100

Very high

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

Surface fit 12/100

Very low

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

Print safety 77/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #5437A5

For UI

For branding

For interior

For fashion

People also use #5437A5 with

True Blue Mauveine Greenery 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 8.5:1. Use

Subtle surface Use #DDD7EC for cards and hover fills. Tint 80

Avoid beside #7937A4 — 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 #5437A5 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: #5437A5;
  --color-base-rgb: 84 55 165;
  --color-base-oklch: oklch(43.6% 0.168 289.7);
  --color-50: #F5F3FC;
  --color-100: #E6E0F5;
  --color-200: #CDC2EB;
  --color-300: #A997D8;
  --color-400: #8670C2;
  --color-500: #664EA6;
  --color-600: #524280;
  --color-700: #3E335C;
  --color-800: #2B243C;
  --color-900: #1B1825;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  rebecca-purple: {
    50: '#F5F3FC',
    100: '#E6E0F5',
    200: '#CDC2EB',
    300: '#A997D8',
    400: '#8670C2',
    500: '#664EA6',
    600: '#524280',
    700: '#3E335C',
    800: '#2B243C',
    900: '#1B1825',
  },
}

$base: #5437A5;
$base-ink: #FFFFFF;
$base-50: #F5F3FC;
$base-100: #E6E0F5;
$base-200: #CDC2EB;
$base-300: #A997D8;
$base-400: #8670C2;
$base-500: #664EA6;
$base-600: #524280;
$base-700: #3E335C;
$base-800: #2B243C;
$base-900: #1B1825;
$base-hover: #432C84;
$base-subtle: #CCC3E4;

{
    "color": {
        "base": {
            "value": "#5437A5",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F3FC",
                "type": "color"
            },
            "100": {
                "value": "#E6E0F5",
                "type": "color"
            },
            "200": {
                "value": "#CDC2EB",
                "type": "color"
            },
            "300": {
                "value": "#A997D8",
                "type": "color"
            },
            "400": {
                "value": "#8670C2",
                "type": "color"
            },
            "500": {
                "value": "#664EA6",
                "type": "color"
            },
            "600": {
                "value": "#524280",
                "type": "color"
            },
            "700": {
                "value": "#3E335C",
                "type": "color"
            },
            "800": {
                "value": "#2B243C",
                "type": "color"
            },
            "900": {
                "value": "#1B1825",
                "type": "color"
            }
        }
    }
}

Palettes built on #5437A5

Color Lab

Pairs with #5437A5

UI roles & guardrails

In real applications

Scales

Every model

Export