What color is #150489?

#150489 is a dark, vivid indigo. In RGB it is rgb(21, 4, 137), and in HSL hsl(248, 94%, 28%).

Is #150489 accessible as text?

On white, #150489 has a contrast ratio of 14.89:1 (passes WCAG AA for body text); on black it is 1.41:1 (fails). For text placed on #150489, use white for the best readability.

What is the closest Tailwind color to #150489?

The nearest Tailwind CSS token is violet-950 (#2F0D68).

What colors go well with #150489?

#150489 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #798B04. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #150489 below.

Is #150489 good for buttons?

#150489 works well for buttons and highlights, but use white text on #150489 — black text only reaches 1.41:1, below the 4.5:1 needed for normal-size labels.

Is #150489 the same as CSS darkblue?

No — #150489 is not the CSS named color darkblue, but darkblue (#00008B) is the closest CSS named color.

#150489 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #150489

Not just a swatch — here's how #150489 works with other colors. Named schemes with #150489 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #150489 Anchor #141210 Accent #DC9659 Secondary #252933 Surface #F3ECE3

Phthalo Blue carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Tech Product Signal · 5 colors

Signal #150489 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #2B3CA7

Phthalo 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 Phthalo Blue.

Moody Editorial Color · 5 colors

Color #150489 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #160046

Phthalo Blue adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Phthalo Blue.

Coastal Morning Lead · 5 colors

Lead #150489 Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Phthalo Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #150489 Secondary #434F76 Support #9D8F88 Ink #18140F

Phthalo 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 Phthalo Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #150489 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 12/100

Cool

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

Softness 21/100

Low

Firm and assertive — carries weight and contrast.

Depth 75/100

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 18/100

Very low

Clean and current — no dusty, aged cast.

Luxury 68/100

High

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 35/100

Low

Workable accent with care around contrast.

Surface fit 21/100

Low

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

Print safety 68/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #150489

For UI

For branding

For interior

For fashion

People also use #150489 with

Sapphire Blue Indigo Olive Green 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 14.9:1. Use

Subtle surface Use #C8C1F3 for cards and hover fills. Tint 80

Avoid beside #43048B — 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 #150489 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: #150489;
  --color-base-rgb: 21 4 137;
  --color-base-oklch: oklch(29.6% 0.190 270.0);
  --color-50: #F2F0FE;
  --color-100: #DDD8FD;
  --color-200: #BBB1FC;
  --color-300: #8B7BF4;
  --color-400: #604BE7;
  --color-500: #3E28CD;
  --color-600: #36269B;
  --color-700: #2C216D;
  --color-800: #201A47;
  --color-900: #15122B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  phthalo-blue: {
    50: '#F2F0FE',
    100: '#DDD8FD',
    200: '#BBB1FC',
    300: '#8B7BF4',
    400: '#604BE7',
    500: '#3E28CD',
    600: '#36269B',
    700: '#2C216D',
    800: '#201A47',
    900: '#15122B',
  },
}

$base: #150489;
$base-ink: #FFFFFF;
$base-50: #F2F0FE;
$base-100: #DDD8FD;
$base-200: #BBB1FC;
$base-300: #8B7BF4;
$base-400: #604BE7;
$base-500: #3E28CD;
$base-600: #36269B;
$base-700: #2C216D;
$base-800: #201A47;
$base-900: #15122B;
$base-hover: #12036F;
$base-subtle: #ABA1EF;

{
    "color": {
        "base": {
            "value": "#150489",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F0FE",
                "type": "color"
            },
            "100": {
                "value": "#DDD8FD",
                "type": "color"
            },
            "200": {
                "value": "#BBB1FC",
                "type": "color"
            },
            "300": {
                "value": "#8B7BF4",
                "type": "color"
            },
            "400": {
                "value": "#604BE7",
                "type": "color"
            },
            "500": {
                "value": "#3E28CD",
                "type": "color"
            },
            "600": {
                "value": "#36269B",
                "type": "color"
            },
            "700": {
                "value": "#2C216D",
                "type": "color"
            },
            "800": {
                "value": "#201A47",
                "type": "color"
            },
            "900": {
                "value": "#15122B",
                "type": "color"
            }
        }
    }
}

Palettes built on #150489

Color Lab

Pairs with #150489

UI roles & guardrails

In real applications

Scales

Every model

Export