What color is #154282?

#154282 is a dark, vivid blue. In RGB it is rgb(21, 66, 130), and in HSL hsl(215, 72%, 30%).

Is #154282 accessible as text?

On white, #154282 has a contrast ratio of 9.84:1 (passes WCAG AA for body text); on black it is 2.13:1 (fails). For text placed on #154282, use white for the best readability.

What is the closest Tailwind color to #154282?

The nearest Tailwind CSS token is blue-900 (#1C398E).

What colors go well with #154282?

#154282 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #845615. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #154282 below.

Is #154282 good for buttons?

#154282 works well for buttons and highlights, but use white text on #154282 — black text only reaches 2.13:1, below the 4.5:1 needed for normal-size labels.

Is #154282 the same as CSS darkslateblue?

No — #154282 is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#154282 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #154282

Not just a swatch — here's how #154282 works with other colors. Named schemes with #154282 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #154282 Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

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 #154282 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #3D65A1

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 #154282 Secondary #7F4537 Surface #E1DDC1 Accent #375246 Anchor #57223A

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 #154282 Surface #EDE9D6 Anchor #5A2144 Accent #E4C2CA Secondary #322B2F

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 #154282 Secondary #5C6C83 Support #9D8F89 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.

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Color Lab

How #154282 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 19/100

Cool

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

Softness 32/100

Low

Middle-weight — neither delicate nor heavy.

Depth 62/100

High

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 40/100

Low

A faint retro warmth without tipping into sepia.

Luxury 67/100

High

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

Brand distinctiveness 32/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 69/100

High

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

Surface fit 24/100

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 #154282

For UI

For branding

For interior

For fashion

People also use #154282 with

Persian Green Midnight Blue Brown Gainsboro 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 9.8:1. Use

Subtle surface Use #C9D8EE for cards and hover fills. Tint 80

Avoid beside #151F84 — 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 #154282 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: #154282;
  --color-base-rgb: 21 66 130;
  --color-base-oklch: oklch(38.7% 0.118 258.1);
  --color-50: #F1F6FD;
  --color-100: #DBE8FA;
  --color-200: #B9D1F3;
  --color-300: #89B0E6;
  --color-400: #5D8FD5;
  --color-500: #3B70BA;
  --color-600: #34598E;
  --color-700: #2A4364;
  --color-800: #1F2E42;
  --color-900: #151D28;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  classic-blue: {
    50: '#F1F6FD',
    100: '#DBE8FA',
    200: '#B9D1F3',
    300: '#89B0E6',
    400: '#5D8FD5',
    500: '#3B70BA',
    600: '#34598E',
    700: '#2A4364',
    800: '#1F2E42',
    900: '#151D28',
  },
}

$base: #154282;
$base-ink: #FFFFFF;
$base-50: #F1F6FD;
$base-100: #DBE8FA;
$base-200: #B9D1F3;
$base-300: #89B0E6;
$base-400: #5D8FD5;
$base-500: #3B70BA;
$base-600: #34598E;
$base-700: #2A4364;
$base-800: #1F2E42;
$base-900: #151D28;
$base-hover: #113669;
$base-subtle: #ACC5E7;

{
    "color": {
        "base": {
            "value": "#154282",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F6FD",
                "type": "color"
            },
            "100": {
                "value": "#DBE8FA",
                "type": "color"
            },
            "200": {
                "value": "#B9D1F3",
                "type": "color"
            },
            "300": {
                "value": "#89B0E6",
                "type": "color"
            },
            "400": {
                "value": "#5D8FD5",
                "type": "color"
            },
            "500": {
                "value": "#3B70BA",
                "type": "color"
            },
            "600": {
                "value": "#34598E",
                "type": "color"
            },
            "700": {
                "value": "#2A4364",
                "type": "color"
            },
            "800": {
                "value": "#1F2E42",
                "type": "color"
            },
            "900": {
                "value": "#151D28",
                "type": "color"
            }
        }
    }
}

Palettes built on #154282

Color Lab

Pairs with #154282

UI roles & guardrails

In real applications

Scales

Every model

Export