What color is #451FA5?

#451FA5 is a dark indigo. In RGB it is rgb(69, 31, 165), and in HSL hsl(257, 68%, 38%).

Is #451FA5 accessible as text?

On white, #451FA5 has a contrast ratio of 10.54:1 (passes WCAG AA for body text); on black it is 1.99:1 (fails). For text placed on #451FA5, use white for the best readability.

What is the closest Tailwind color to #451FA5?

The nearest Tailwind CSS token is violet-900 (#4D179A).

What colors go well with #451FA5?

#451FA5 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #7DA31F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #451FA5 below.

Is #451FA5 good for buttons?

#451FA5 works well for buttons and highlights, but use white text on #451FA5 — black text only reaches 1.99:1, below the 4.5:1 needed for normal-size labels.

Is #451FA5 the same as CSS indigo?

No — #451FA5 is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#451FA5 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #451FA5

Not just a swatch — here's how #451FA5 works with other colors. Named schemes with #451FA5 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #451FA5 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #624EC3

Egyptian 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 Egyptian Blue.

Berry & Cream Lead · 5 colors

Lead #451FA5 Surface #F5E5D7 Anchor #5B2142 Accent #E5C2C8 Secondary #332B2F

Egyptian 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 #451FA5 Secondary #686692 Support #9D9088 Ink #18140F

Egyptian 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 Egyptian Blue carrying the quiet middle.

Coastal Morning Lead · 5 colors

Lead #451FA5 Accent #A5C4C3 Surface #E9D5BF Secondary #9AA0A1 Anchor #22334A

Egyptian 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 #451FA5 Secondary #E86A6F Accent #F5934C Anchor #583B57 Surface #F7E7D7

Egyptian 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 #451FA5 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 22/100

Cool

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

Softness 26/100

Low

Firm and assertive — carries weight and contrast.

Depth 65/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 22/100

Low

Clean and current — no dusty, aged cast.

Luxury 60/100

High

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

Brand distinctiveness 75/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 63/100

High

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

Surface fit 15/100

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 #451FA5

For UI

For branding

For interior

For fashion

People also use #451FA5 with

Cerulean 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 10.5:1. Use

Subtle surface Use #D9D0EF for cards and hover fills. Tint 80

Avoid beside #701FA3 — 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 #451FA5 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: #451FA5;
  --color-base-rgb: 69 31 165;
  --color-base-oklch: oklch(39.0% 0.194 286.1);
  --color-50: #F5F2FD;
  --color-100: #E4DCF9;
  --color-200: #CABBF2;
  --color-300: #A58CE3;
  --color-400: #8161D1;
  --color-500: #603FB6;
  --color-600: #4F378B;
  --color-700: #3C2C63;
  --color-800: #292041;
  --color-900: #1B1528;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  egyptian-blue: {
    50: '#F5F2FD',
    100: '#E4DCF9',
    200: '#CABBF2',
    300: '#A58CE3',
    400: '#8161D1',
    500: '#603FB6',
    600: '#4F378B',
    700: '#3C2C63',
    800: '#292041',
    900: '#1B1528',
  },
}

$base: #451FA5;
$base-ink: #FFFFFF;
$base-50: #F5F2FD;
$base-100: #E4DCF9;
$base-200: #CABBF2;
$base-300: #A58CE3;
$base-400: #8161D1;
$base-500: #603FB6;
$base-600: #4F378B;
$base-700: #3C2C63;
$base-800: #292041;
$base-900: #1B1528;
$base-hover: #371982;
$base-subtle: #C5B7E8;

{
    "color": {
        "base": {
            "value": "#451FA5",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F2FD",
                "type": "color"
            },
            "100": {
                "value": "#E4DCF9",
                "type": "color"
            },
            "200": {
                "value": "#CABBF2",
                "type": "color"
            },
            "300": {
                "value": "#A58CE3",
                "type": "color"
            },
            "400": {
                "value": "#8161D1",
                "type": "color"
            },
            "500": {
                "value": "#603FB6",
                "type": "color"
            },
            "600": {
                "value": "#4F378B",
                "type": "color"
            },
            "700": {
                "value": "#3C2C63",
                "type": "color"
            },
            "800": {
                "value": "#292041",
                "type": "color"
            },
            "900": {
                "value": "#1B1528",
                "type": "color"
            }
        }
    }
}

Palettes built on #451FA5

Color Lab

Pairs with #451FA5

UI roles & guardrails

In real applications

Scales

Every model

Export