What color is #5737B2?

#5737B2 is a medium indigo. In RGB it is rgb(87, 55, 178), and in HSL hsl(256, 53%, 46%).

Is #5737B2 accessible as text?

On white, #5737B2 has a contrast ratio of 8.09:1 (passes WCAG AA for body text); on black it is 2.59:1 (fails). For text placed on #5737B2, use white for the best readability.

What is the closest Tailwind color to #5737B2?

The nearest Tailwind CSS token is violet-800 (#5D0EC0).

What colors go well with #5737B2?

#5737B2 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #92B337. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #5737B2 below.

Is #5737B2 good for buttons?

#5737B2 works well for buttons and highlights, but use white text on #5737B2 — black text only reaches 2.59:1, below the 4.5:1 needed for normal-size labels.

Is #5737B2 the same as CSS rebeccapurple?

No — #5737B2 is not the CSS named color rebeccapurple, but rebeccapurple (#663399) is the closest CSS named color.

#5737B2 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #5737B2

Not just a swatch — here's how #5737B2 works with other colors. Named schemes with #5737B2 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #5737B2 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 #5737B2 Secondary #7E4633 Surface #EDD8C2 Accent #355247 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 #5737B2 Anchor #3B2923 Surface #F3E1D2 Accent #749F7C 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 #5737B2 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 #5737B2 Secondary #7B77A2 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 #5737B2 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 24/100

Cool

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

Softness 31/100

Low

Firm and assertive — carries weight and contrast.

Depth 58/100

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 29/100

Low

A faint retro warmth without tipping into sepia.

Luxury 56/100

Moderate

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

Brand distinctiveness 50/100

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 11/100

Very low

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

Print safety 75/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #5737B2

For UI

For branding

For interior

For fashion

People also use #5737B2 with

True Blue Dark Orchid 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 8.1:1. Use

Subtle surface Use #DFD9EE for cards and hover fills. Tint 80

Avoid beside #8237B3 — 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 #5737B2 at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #5737B2;
  --color-base-rgb: 87 55 178;
  --color-base-oklch: oklch(45.0% 0.184 288.7);
  --color-50: #F5F3FC;
  --color-100: #E5DFF6;
  --color-200: #CCC1EC;
  --color-300: #A895DA;
  --color-400: #856DC5;
  --color-500: #654CA9;
  --color-600: #524082;
  --color-700: #3D325D;
  --color-800: #2B243D;
  --color-900: #1B1726;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  rebecca-purple: {
    50: '#F5F3FC',
    100: '#E5DFF6',
    200: '#CCC1EC',
    300: '#A895DA',
    400: '#856DC5',
    500: '#654CA9',
    600: '#524082',
    700: '#3D325D',
    800: '#2B243D',
    900: '#1B1726',
  },
}

$base: #5737B2;
$base-ink: #FFFFFF;
$base-50: #F5F3FC;
$base-100: #E5DFF6;
$base-200: #CCC1EC;
$base-300: #A895DA;
$base-400: #856DC5;
$base-500: #654CA9;
$base-600: #524082;
$base-700: #3D325D;
$base-800: #2B243D;
$base-900: #1B1726;
$base-hover: #472C90;
$base-subtle: #CEC5E6;

{
    "color": {
        "base": {
            "value": "#5737B2",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F3FC",
                "type": "color"
            },
            "100": {
                "value": "#E5DFF6",
                "type": "color"
            },
            "200": {
                "value": "#CCC1EC",
                "type": "color"
            },
            "300": {
                "value": "#A895DA",
                "type": "color"
            },
            "400": {
                "value": "#856DC5",
                "type": "color"
            },
            "500": {
                "value": "#654CA9",
                "type": "color"
            },
            "600": {
                "value": "#524082",
                "type": "color"
            },
            "700": {
                "value": "#3D325D",
                "type": "color"
            },
            "800": {
                "value": "#2B243D",
                "type": "color"
            },
            "900": {
                "value": "#1B1726",
                "type": "color"
            }
        }
    }
}

Palettes built on #5737B2

Color Lab

Pairs with #5737B2

UI roles & guardrails

In real applications

Scales

Every model

Export