What color is #015481?

#015481 is a dark, vivid cyan-blue. In RGB it is rgb(1, 84, 129), and in HSL hsl(201, 98%, 25%).

Is #015481 accessible as text?

On white, #015481 has a contrast ratio of 8.12:1 (passes WCAG AA for body text); on black it is 2.59:1 (fails). For text placed on #015481, use white for the best readability.

What is the closest Tailwind color to #015481?

The nearest Tailwind CSS token is sky-800 (#00598A).

What colors go well with #015481?

#015481 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #7E2D01. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #015481 below.

Is #015481 good for buttons?

#015481 works well for buttons and highlights, but use white text on #015481 — black text only reaches 2.59:1, below the 4.5:1 needed for normal-size labels.

Is #015481 the same as CSS darkslategray?

No — #015481 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#015481 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #015481

Not just a swatch — here's how #015481 works with other colors. Named schemes with #015481 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #015481 Accent #A5C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

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

Tech Product Signal · 5 colors

Signal #015481 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #3B77A1

Classic 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 Classic Blue.

Vintage Leather Lead · 5 colors

Lead #015481 Secondary #7F4439 Surface #E2DDC0 Accent #375245 Anchor #57233C

Classic Blue plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Berry & Cream Lead · 5 colors

Lead #015481 Surface #EEE9D6 Anchor #5A2246 Accent #E4C2CB Secondary #322B30

Classic Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #015481 Secondary #657A8A Support #969386 Ink #16140F

Classic 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 Classic Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #015481 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 21/100

Cool

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

Softness 37/100

Low

Middle-weight — neither delicate nor heavy.

Depth 57/100

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 46/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 63/100

High

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

Brand distinctiveness 27/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 78/100

High

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

Surface fit 27/100

Low

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

Print safety 76/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #015481

For UI

For branding

For interior

For fashion

People also use #015481 with

Jungle Green Navy Blue Walnut Brown Platinum Charcoal

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 8.1:1. Use

Subtle surface Use #BEE1F4 for cards and hover fills. Tint 80

Avoid beside #01297E — 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 #015481 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: #015481;
  --color-base-rgb: 1 84 129;
  --color-base-oklch: oklch(42.7% 0.101 242.0);
  --color-50: #F0F9FE;
  --color-100: #D8F0FD;
  --color-200: #B1E1FC;
  --color-300: #78CBF7;
  --color-400: #48B1EA;
  --color-500: #2494D1;
  --color-600: #24739E;
  --color-700: #20536F;
  --color-800: #193848;
  --color-900: #11232C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  classic-blue: {
    50: '#F0F9FE',
    100: '#D8F0FD',
    200: '#B1E1FC',
    300: '#78CBF7',
    400: '#48B1EA',
    500: '#2494D1',
    600: '#24739E',
    700: '#20536F',
    800: '#193848',
    900: '#11232C',
  },
}

$base: #015481;
$base-ink: #FFFFFF;
$base-50: #F0F9FE;
$base-100: #D8F0FD;
$base-200: #B1E1FC;
$base-300: #78CBF7;
$base-400: #48B1EA;
$base-500: #2494D1;
$base-600: #24739E;
$base-700: #20536F;
$base-800: #193848;
$base-900: #11232C;
$base-hover: #014265;
$base-subtle: #9BD2F0;

{
    "color": {
        "base": {
            "value": "#015481",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F9FE",
                "type": "color"
            },
            "100": {
                "value": "#D8F0FD",
                "type": "color"
            },
            "200": {
                "value": "#B1E1FC",
                "type": "color"
            },
            "300": {
                "value": "#78CBF7",
                "type": "color"
            },
            "400": {
                "value": "#48B1EA",
                "type": "color"
            },
            "500": {
                "value": "#2494D1",
                "type": "color"
            },
            "600": {
                "value": "#24739E",
                "type": "color"
            },
            "700": {
                "value": "#20536F",
                "type": "color"
            },
            "800": {
                "value": "#193848",
                "type": "color"
            },
            "900": {
                "value": "#11232C",
                "type": "color"
            }
        }
    }
}

Palettes built on #015481

Color Lab

Pairs with #015481

UI roles & guardrails

In real applications

Scales

Every model

Export