What color is #603FC2?

#603FC2 is a medium indigo. In RGB it is rgb(96, 63, 194), and in HSL hsl(255, 52%, 50%).

Is #603FC2 accessible as text?

On white, #603FC2 has a contrast ratio of 7.03:1 (passes WCAG AA for body text); on black it is 2.99:1 (fails). For text placed on #603FC2, use white for the best readability.

What is the closest Tailwind color to #603FC2?

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

What colors go well with #603FC2?

#603FC2 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A1C23D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #603FC2 below.

Is #603FC2 good for buttons?

#603FC2 works well for buttons and highlights, but use white text on #603FC2 — black text only reaches 2.99:1, below the 4.5:1 needed for normal-size labels.

Is #603FC2 the same as CSS slateblue?

No — #603FC2 is not the CSS named color slateblue, but slateblue (#6A5ACD) is the closest CSS named color.

#603FC2 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #603FC2

Not just a swatch — here's how #603FC2 works with other colors. Named schemes with #603FC2 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #603FC2 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #806AE1

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

Berry & Cream Lead · 5 colors

Lead #603FC2 Surface #F5E5D7 Anchor #5C2141 Accent #E5C2C8 Secondary #332B2F

Grape 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 #603FC2 Secondary #8581AE Support #9D9088 Ink #18140F

Grape 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 Grape carrying the quiet middle.

Coastal Morning Lead · 5 colors

Lead #603FC2 Accent #A5C4C3 Surface #E9D6BF Secondary #9AA0A1 Anchor #22334A

Grape 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 #603FC2 Secondary #E86A6E Accent #F5934B Anchor #583B57 Surface #F7E7D7

Grape 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 #603FC2 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 32/100

Low

Firm and assertive — carries weight and contrast.

Depth 55/100

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 27/100

Low

A faint retro warmth without tipping into sepia.

Luxury 53/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 75/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 86/100

Very high

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

Surface fit 9/100

Very low

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

Print safety 73/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #603FC2

For UI

For branding

For interior

For fashion

People also use #603FC2 with

Glaucous Dark Orchid Peridot 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 7.0:1. Use

Subtle surface Use #E1DCEF for cards and hover fills. Tint 80

Avoid beside #8B3DC2 — 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 #603FC2 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: #603FC2;
  --color-base-rgb: 96 63 194;
  --color-base-oklch: oklch(48.3% 0.193 288.6);
  --color-50: #F5F3FC;
  --color-100: #E5DFF6;
  --color-200: #CCC1EB;
  --color-300: #A796D9;
  --color-400: #836EC4;
  --color-500: #644DA8;
  --color-600: #514181;
  --color-700: #3D325C;
  --color-800: #2A243D;
  --color-900: #1B1826;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  grape: {
    50: '#F5F3FC',
    100: '#E5DFF6',
    200: '#CCC1EB',
    300: '#A796D9',
    400: '#836EC4',
    500: '#644DA8',
    600: '#514181',
    700: '#3D325C',
    800: '#2A243D',
    900: '#1B1826',
  },
}

$base: #603FC2;
$base-ink: #FFFFFF;
$base-50: #F5F3FC;
$base-100: #E5DFF6;
$base-200: #CCC1EB;
$base-300: #A796D9;
$base-400: #836EC4;
$base-500: #644DA8;
$base-600: #514181;
$base-700: #3D325C;
$base-800: #2A243D;
$base-900: #1B1826;
$base-hover: #4B319B;
$base-subtle: #D1CAE8;

{
    "color": {
        "base": {
            "value": "#603FC2",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F3FC",
                "type": "color"
            },
            "100": {
                "value": "#E5DFF6",
                "type": "color"
            },
            "200": {
                "value": "#CCC1EB",
                "type": "color"
            },
            "300": {
                "value": "#A796D9",
                "type": "color"
            },
            "400": {
                "value": "#836EC4",
                "type": "color"
            },
            "500": {
                "value": "#644DA8",
                "type": "color"
            },
            "600": {
                "value": "#514181",
                "type": "color"
            },
            "700": {
                "value": "#3D325C",
                "type": "color"
            },
            "800": {
                "value": "#2A243D",
                "type": "color"
            },
            "900": {
                "value": "#1B1826",
                "type": "color"
            }
        }
    }
}