What color is #145BE8?

#145BE8 is a medium, vivid blue. In RGB it is rgb(20, 91, 232), and in HSL hsl(220, 84%, 49%).

Is #145BE8 accessible as text?

On white, #145BE8 has a contrast ratio of 5.69:1 (passes WCAG AA for body text); on black it is 3.69:1 (fails). For text placed on #145BE8, use white for the best readability.

What is the closest Tailwind color to #145BE8?

The nearest Tailwind CSS token is blue-600 (#155DFC).

What colors go well with #145BE8?

#145BE8 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #E6A014. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #145BE8 below.

Is #145BE8 good for buttons?

#145BE8 works well for buttons and highlights, but use white text on #145BE8 — black text only reaches 3.69:1, below the 4.5:1 needed for normal-size labels.

Is #145BE8 the same as CSS royalblue?

No — #145BE8 is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#145BE8 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #145BE8

Not just a swatch — here's how #145BE8 works with other colors. Named schemes with #145BE8 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #145BE8 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #4586FF

Neon 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 Neon Blue.

Coastal Morning Lead · 5 colors

Lead #145BE8 Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

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

Berry & Cream Lead · 5 colors

Lead #145BE8 Surface #F6E5D8 Anchor #5A2144 Accent #E4C2CA Secondary #322B2F

Neon 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 #145BE8 Secondary #7A94C4 Support #9D8F88 Ink #18140F

Neon 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 Neon Blue carrying the quiet middle.

Sunset Warmth Glow · 5 colors

Glow #145BE8 Secondary #E76A75 Accent #F79152 Anchor #573B58 Surface #EEEBD6

Neon 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 #145BE8 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 8/100

Cool

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

Softness 31/100

Low

Firm and assertive — carries weight and contrast.

Depth 52/100

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 16/100

Very low

Clean and current — no dusty, aged cast.

Luxury 47/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 86/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 76/100

High

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

Surface fit 10/100

Very low

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

Print safety 58/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #145BE8

For UI

For branding

For interior

For fashion

People also use #145BE8 with

Medium Turquoise Han Purple Gamboge Gainsboro Charcoal

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 5.7:1. Use

Subtle surface Use #D5E0F5 for cards and hover fills. Tint 80

Avoid beside #1414E6 — 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 #145BE8 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: #145BE8;
  --color-base-rgb: 20 91 232;
  --color-base-oklch: oklch(52.5% 0.224 262.2);
  --color-50: #F0F5FE;
  --color-100: #D8E5FD;
  --color-200: #B4CBF8;
  --color-300: #81A6EE;
  --color-400: #5382DF;
  --color-500: #3062C4;
  --color-600: #2D4F95;
  --color-700: #253C69;
  --color-800: #1C2A45;
  --color-900: #131B2A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  neon-blue: {
    50: '#F0F5FE',
    100: '#D8E5FD',
    200: '#B4CBF8',
    300: '#81A6EE',
    400: '#5382DF',
    500: '#3062C4',
    600: '#2D4F95',
    700: '#253C69',
    800: '#1C2A45',
    900: '#131B2A',
  },
}

$base: #145BE8;
$base-ink: #FFFFFF;
$base-50: #F0F5FE;
$base-100: #D8E5FD;
$base-200: #B4CBF8;
$base-300: #81A6EE;
$base-400: #5382DF;
$base-500: #3062C4;
$base-600: #2D4F95;
$base-700: #253C69;
$base-800: #1C2A45;
$base-900: #131B2A;
$base-hover: #1048B8;
$base-subtle: #BFD0F1;

{
    "color": {
        "base": {
            "value": "#145BE8",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F5FE",
                "type": "color"
            },
            "100": {
                "value": "#D8E5FD",
                "type": "color"
            },
            "200": {
                "value": "#B4CBF8",
                "type": "color"
            },
            "300": {
                "value": "#81A6EE",
                "type": "color"
            },
            "400": {
                "value": "#5382DF",
                "type": "color"
            },
            "500": {
                "value": "#3062C4",
                "type": "color"
            },
            "600": {
                "value": "#2D4F95",
                "type": "color"
            },
            "700": {
                "value": "#253C69",
                "type": "color"
            },
            "800": {
                "value": "#1C2A45",
                "type": "color"
            },
            "900": {
                "value": "#131B2A",
                "type": "color"
            }
        }
    }
}

Palettes built on #145BE8

Color Lab

Pairs with #145BE8

UI roles & guardrails

In real applications

Scales

Every model

Export