What color is #4635B3?

#4635B3 is a medium indigo. In RGB it is rgb(70, 53, 179), and in HSL hsl(248, 54%, 45%).

Is #4635B3 accessible as text?

On white, #4635B3 has a contrast ratio of 8.68:1 (passes WCAG AA for body text); on black it is 2.42:1 (fails). For text placed on #4635B3, use white for the best readability.

What is the closest Tailwind color to #4635B3?

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

What colors go well with #4635B3?

#4635B3 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A0B135. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #4635B3 below.

Is #4635B3 good for buttons?

#4635B3 works well for buttons and highlights, but use white text on #4635B3 — black text only reaches 2.42:1, below the 4.5:1 needed for normal-size labels.

Is #4635B3 the same as CSS darkslateblue?

No — #4635B3 is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#4635B3 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #4635B3

Not just a swatch — here's how #4635B3 works with other colors. Named schemes with #4635B3 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #4635B3 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #6560D2

Dark Slate 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 Dark Slate Blue.

Berry & Cream Lead · 5 colors

Lead #4635B3 Surface #F5E5D8 Anchor #5B2142 Accent #E5C2C9 Secondary #322B2F

Dark Slate 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 #4635B3 Secondary #71749F Support #9D9088 Ink #18140F

Dark Slate 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 Dark Slate Blue carrying the quiet middle.

Coastal Morning Lead · 5 colors

Lead #4635B3 Accent #A5C4C3 Surface #EAD5BF Secondary #9AA0A1 Anchor #22334A

Dark Slate 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 #4635B3 Secondary #E86A70 Accent #F5934D Anchor #583B57 Surface #F7E7D7

Dark Slate 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 #4635B3 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 19/100

Cool

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

Softness 29/100

Low

Firm and assertive — carries weight and contrast.

Depth 60/100

High

Mid depth — usable as an accent or a muted ground.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 25/100

Low

A faint retro warmth without tipping into sepia.

Luxury 57/100

Moderate

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

Brand distinctiveness 73/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 77/100

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 72/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #4635B3

For UI

For branding

For interior

For fashion

People also use #4635B3 with

Steel Blue Dark Orchid 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 8.7:1. Use

Subtle surface Use #DBD8EE for cards and hover fills. Tint 80

Avoid beside #6F35B1 — 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 #4635B3 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: #4635B3;
  --color-base-rgb: 70 53 179;
  --color-base-oklch: oklch(43.3% 0.189 281.1);
  --color-50: #F4F3FC;
  --color-100: #E2DFF6;
  --color-200: #C6C0EC;
  --color-300: #9E95DA;
  --color-400: #786CC6;
  --color-500: #584BAA;
  --color-600: #483F83;
  --color-700: #37325D;
  --color-800: #27233D;
  --color-900: #191726;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-blue: {
    50: '#F4F3FC',
    100: '#E2DFF6',
    200: '#C6C0EC',
    300: '#9E95DA',
    400: '#786CC6',
    500: '#584BAA',
    600: '#483F83',
    700: '#37325D',
    800: '#27233D',
    900: '#191726',
  },
}

$base: #4635B3;
$base-ink: #FFFFFF;
$base-50: #F4F3FC;
$base-100: #E2DFF6;
$base-200: #C6C0EC;
$base-300: #9E95DA;
$base-400: #786CC6;
$base-500: #584BAA;
$base-600: #483F83;
$base-700: #37325D;
$base-800: #27233D;
$base-900: #191726;
$base-hover: #372A8D;
$base-subtle: #C8C4E6;

{
    "color": {
        "base": {
            "value": "#4635B3",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F3FC",
                "type": "color"
            },
            "100": {
                "value": "#E2DFF6",
                "type": "color"
            },
            "200": {
                "value": "#C6C0EC",
                "type": "color"
            },
            "300": {
                "value": "#9E95DA",
                "type": "color"
            },
            "400": {
                "value": "#786CC6",
                "type": "color"
            },
            "500": {
                "value": "#584BAA",
                "type": "color"
            },
            "600": {
                "value": "#483F83",
                "type": "color"
            },
            "700": {
                "value": "#37325D",
                "type": "color"
            },
            "800": {
                "value": "#27233D",
                "type": "color"
            },
            "900": {
                "value": "#191726",
                "type": "color"
            }
        }
    }
}

Palettes built on #4635B3

Color Lab

Pairs with #4635B3

UI roles & guardrails

In real applications

Scales

Every model

Export