What color is #01A5EB?

#01A5EB is a medium, vivid cyan-blue. In RGB it is rgb(1, 165, 235), and in HSL hsl(198, 99%, 46%).

Is #01A5EB accessible as text?

On white, #01A5EB has a contrast ratio of 2.77:1 (fails WCAG AA for body text); on black it is 7.58:1 (passes). For text placed on #01A5EB, use black for the best readability.

What is the closest Tailwind color to #01A5EB?

The nearest Tailwind CSS token is sky-500 (#00A6F4).

What colors go well with #01A5EB?

#01A5EB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #E94701. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #01A5EB below.

Is #01A5EB good for buttons?

#01A5EB works well for buttons and highlights, but use black text on #01A5EB — white text only reaches 2.77:1, below the 4.5:1 needed for normal-size labels.

Is #01A5EB the same as CSS cornflowerblue?

No — #01A5EB is not the CSS named color cornflowerblue, but cornflowerblue (#6495ED) is the closest CSS named color.

#01A5EB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #01A5EB

Not just a swatch — here's how #01A5EB works with other colors. Named schemes with #01A5EB in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #01A5EB Accent #A6C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

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

Nordic Calm Accent · 5 colors

Accent #01A5EB Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 Anchor #2E3236

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

Tech Product Signal · 5 colors

Signal #01A5EB Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #5DCBFF

Picton 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 Picton Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #01A5EB Secondary #A6CBE4 Support #969386 Ink #16140F

Picton 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 Picton Blue carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #01A5EB Anchor #3C2925 Surface #EAE5D0 Accent #7B9E76 Secondary #393933

Picton Blue anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Build a working theme in the generator →

Color Lab

How #01A5EB 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 6/100

Cool

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

Softness 49/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 33/100

Low

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 32/100

Low

A faint retro warmth without tipping into sepia.

Luxury 38/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 58/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 66/100

High

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

Surface fit 25/100

Low

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

Print safety 63/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #01A5EB

For UI

For branding

For interior

For fashion

People also use #01A5EB with

Medium Spring Green Blue Burnt Orange Platinum 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 Only on dark surfaces. Avoid

Background Pair with #141310 text at 6.7:1. Use

Subtle surface Use #D0EBF7 for cards and hover fills. Tint 80

Avoid beside #0156E9 — 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 #01A5EB 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: #01A5EB;
  --color-base-rgb: 1 165 235;
  --color-base-oklch: oklch(68.5% 0.151 237.7);
  --color-50: #F0FAFE;
  --color-100: #D8F2FD;
  --color-200: #B1E5FC;
  --color-300: #78D1F7;
  --color-400: #47BAEB;
  --color-500: #239DD2;
  --color-600: #237A9F;
  --color-700: #1F576F;
  --color-800: #193A48;
  --color-900: #11242C;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  picton-blue: {
    50: '#F0FAFE',
    100: '#D8F2FD',
    200: '#B1E5FC',
    300: '#78D1F7',
    400: '#47BAEB',
    500: '#239DD2',
    600: '#237A9F',
    700: '#1F576F',
    800: '#193A48',
    900: '#11242C',
  },
}

$base: #01A5EB;
$base-ink: #141310;
$base-50: #F0FAFE;
$base-100: #D8F2FD;
$base-200: #B1E5FC;
$base-300: #78D1F7;
$base-400: #47BAEB;
$base-500: #239DD2;
$base-600: #237A9F;
$base-700: #1F576F;
$base-800: #193A48;
$base-900: #11242C;
$base-hover: #0183BB;
$base-subtle: #B7E2F5;

{
    "color": {
        "base": {
            "value": "#01A5EB",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FAFE",
                "type": "color"
            },
            "100": {
                "value": "#D8F2FD",
                "type": "color"
            },
            "200": {
                "value": "#B1E5FC",
                "type": "color"
            },
            "300": {
                "value": "#78D1F7",
                "type": "color"
            },
            "400": {
                "value": "#47BAEB",
                "type": "color"
            },
            "500": {
                "value": "#239DD2",
                "type": "color"
            },
            "600": {
                "value": "#237A9F",
                "type": "color"
            },
            "700": {
                "value": "#1F576F",
                "type": "color"
            },
            "800": {
                "value": "#193A48",
                "type": "color"
            },
            "900": {
                "value": "#11242C",
                "type": "color"
            }
        }
    }
}