What color is #0A84FF?

Signal Blue (#0A84FF) is a medium, vivid blue. In RGB it is rgb(10, 132, 255), and in HSL hsl(210, 100%, 52%).

Is #0A84FF accessible as text?

On white, #0A84FF has a contrast ratio of 3.65:1 (fails WCAG AA for body text); on black it is 5.76:1 (passes). For text placed on #0A84FF, use black for the best readability.

What is the closest Tailwind color to #0A84FF?

The nearest Tailwind CSS token is blue-500 (#2B7FFF).

What colors go well with #0A84FF?

#0A84FF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #FF850A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #0A84FF below.

Is Signal Blue good for buttons?

Signal Blue works well for buttons and highlights, but use black text on #0A84FF — white text only reaches 3.65:1, below the 4.5:1 needed for normal-size labels.

Is Signal Blue a CSS named color?

No — Signal Blue is not a standard CSS named color; use the hex value #0A84FF in CSS. The closest CSS named color is dodgerblue.

Why is it called Signal Blue?

Signal Blue is a modern, high-visibility digital blue — the kind used for links, buttons and system accents on screens.

Signal Blue (#0A84FF) Color Palette, HEX, RGB & Design Ideas

Palettes built on Signal Blue

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

Tech Product Signal · 5 colors

Signal #0A84FF Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #52ADFF

Signal 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 Signal Blue.

Nordic Calm Accent · 5 colors

Accent #0A84FF Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A6 Anchor #2E3236

Signal Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Coastal Morning Lead · 5 colors

Lead #0A84FF Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

Signal 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 #F6F4EF Accent #0A84FF Secondary #94B5E0 Support #9D8F89 Ink #16140F

Signal 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 Signal Blue carrying the quiet middle.

Sunset Warmth Glow · 5 colors

Glow #0A84FF Secondary #E76A77 Accent #F79153 Anchor #573B59 Surface #EEEBD6

Signal 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 Signal Blue 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 5/100

Cool

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

Softness 38/100

Low

Middle-weight — neither delicate nor heavy.

Depth 40/100

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 20/100

Low

Clean and current — no dusty, aged cast.

Luxury 40/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 79/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 72/100

High

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

Surface fit 19/100

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 Signal Blue

For UI

For branding

For interior

For fashion

People also use Signal Blue with

Cyan Blue Peru Gainsboro Charcoal

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 5.1:1. Use

Subtle surface Use #D5E7F8 for cards and hover fills. Tint 80

Avoid beside #0A33FF — 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 Signal Blue 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: #0A84FF;
  --color-base-rgb: 10 132 255;
  --color-base-oklch: oklch(62.4% 0.206 255.5);
  --color-50: #F0F7FE;
  --color-100: #D8EBFD;
  --color-200: #B1D6FC;
  --color-300: #77B8F8;
  --color-400: #4699EC;
  --color-500: #227AD2;
  --color-600: #23619F;
  --color-700: #1F4770;
  --color-800: #183048;
  --color-900: #111F2C;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  signal-blue: {
    50: '#F0F7FE',
    100: '#D8EBFD',
    200: '#B1D6FC',
    300: '#77B8F8',
    400: '#4699EC',
    500: '#227AD2',
    600: '#23619F',
    700: '#1F4770',
    800: '#183048',
    900: '#111F2C',
  },
}

$base: #0A84FF;
$base-ink: #141310;
$base-50: #F0F7FE;
$base-100: #D8EBFD;
$base-200: #B1D6FC;
$base-300: #77B8F8;
$base-400: #4699EC;
$base-500: #227AD2;
$base-600: #23619F;
$base-700: #1F4770;
$base-800: #183048;
$base-900: #111F2C;
$base-hover: #006AD4;
$base-subtle: #BEDAF6;

{
    "color": {
        "base": {
            "value": "#0A84FF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F7FE",
                "type": "color"
            },
            "100": {
                "value": "#D8EBFD",
                "type": "color"
            },
            "200": {
                "value": "#B1D6FC",
                "type": "color"
            },
            "300": {
                "value": "#77B8F8",
                "type": "color"
            },
            "400": {
                "value": "#4699EC",
                "type": "color"
            },
            "500": {
                "value": "#227AD2",
                "type": "color"
            },
            "600": {
                "value": "#23619F",
                "type": "color"
            },
            "700": {
                "value": "#1F4770",
                "type": "color"
            },
            "800": {
                "value": "#183048",
                "type": "color"
            },
            "900": {
                "value": "#111F2C",
                "type": "color"
            }
        }
    }
}

Palettes built on Signal Blue

Color Lab

Pairs with Signal Blue

UI roles & guardrails

In real applications

Scales

Every model

Export