What color is #575CEF?

#575CEF is a light, vivid blue-violet. In RGB it is rgb(87, 92, 239), and in HSL hsl(238, 83%, 64%).

Is #575CEF accessible as text?

On white, #575CEF has a contrast ratio of 5.02:1 (passes WCAG AA for body text); on black it is 4.18:1 (fails). For text placed on #575CEF, use white for the best readability.

What is the closest Tailwind color to #575CEF?

The nearest Tailwind CSS token is indigo-500 (#615FFF).

What colors go well with #575CEF?

#575CEF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #EFEA57. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #575CEF below.

Is #575CEF good for buttons?

#575CEF works well for buttons and highlights, but use white text on #575CEF — black text only reaches 4.18:1, below the 4.5:1 needed for normal-size labels.

Is #575CEF the same as CSS royalblue?

No — #575CEF is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#575CEF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #575CEF

Not just a swatch — here's how #575CEF works with other colors. Named schemes with #575CEF in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #575CEF Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #7987FF

Iris is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Iris.

Berry & Cream Lead · 5 colors

Lead #575CEF Surface #F6E5D8 Anchor #5B2143 Accent #E5C2C9 Secondary #322B2F

Iris 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 #575CEF Secondary #909BCE Support #9D9088 Ink #18140F

Iris 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 Iris carrying the quiet middle.

Coastal Morning Lead · 5 colors

Lead #575CEF Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #21344A

Iris 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 #575CEF Secondary #E86A72 Accent #F6924E Anchor #573B57 Surface #F7E7D7

Iris 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 #575CEF 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 15/100

Cool

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

Softness 33/100

Low

Middle-weight — neither delicate nor heavy.

Depth 48/100

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 20/100

Low

Clean and current — no dusty, aged cast.

Luxury 45/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 83/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 78/100

High

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

Surface fit 13/100

Very low

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

Print safety 65/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #575CEF

For UI

For branding

For interior

For fashion

People also use #575CEF with

Maya Blue Medium Orchid Naples Yellow Gainsboro Prussian Blue

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

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 5.0:1. Use

Subtle surface Use #E2E2F8 for cards and hover fills. Tint 80

Avoid beside #8557EF — 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 #575CEF 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: #575CEF;
  --color-base-rgb: 87 92 239;
  --color-base-oklch: oklch(55.9% 0.216 275.4);
  --color-50: #F0F1FE;
  --color-100: #D9DAFD;
  --color-200: #B4B7F8;
  --color-300: #8286ED;
  --color-400: #5459DE;
  --color-500: #3136C3;
  --color-600: #2D3195;
  --color-700: #262869;
  --color-800: #1C1E44;
  --color-900: #13142A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  iris: {
    50: '#F0F1FE',
    100: '#D9DAFD',
    200: '#B4B7F8',
    300: '#8286ED',
    400: '#5459DE',
    500: '#3136C3',
    600: '#2D3195',
    700: '#262869',
    800: '#1C1E44',
    900: '#13142A',
  },
}

$base: #575CEF;
$base-ink: #FFFFFF;
$base-50: #F0F1FE;
$base-100: #D9DAFD;
$base-200: #B4B7F8;
$base-300: #8286ED;
$base-400: #5459DE;
$base-500: #3136C3;
$base-600: #2D3195;
$base-700: #262869;
$base-800: #1C1E44;
$base-900: #13142A;
$base-hover: #1B22EA;
$base-subtle: #D2D3F5;

{
    "color": {
        "base": {
            "value": "#575CEF",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F1FE",
                "type": "color"
            },
            "100": {
                "value": "#D9DAFD",
                "type": "color"
            },
            "200": {
                "value": "#B4B7F8",
                "type": "color"
            },
            "300": {
                "value": "#8286ED",
                "type": "color"
            },
            "400": {
                "value": "#5459DE",
                "type": "color"
            },
            "500": {
                "value": "#3136C3",
                "type": "color"
            },
            "600": {
                "value": "#2D3195",
                "type": "color"
            },
            "700": {
                "value": "#262869",
                "type": "color"
            },
            "800": {
                "value": "#1C1E44",
                "type": "color"
            },
            "900": {
                "value": "#13142A",
                "type": "color"
            }
        }
    }
}