What color is #253584?

#253584 is a dark blue. In RGB it is rgb(37, 53, 132), and in HSL hsl(230, 56%, 33%).

Is #253584 accessible as text?

On white, #253584 has a contrast ratio of 10.93:1 (passes WCAG AA for body text); on black it is 1.92:1 (fails). For text placed on #253584, use white for the best readability.

What is the closest Tailwind color to #253584?

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

What colors go well with #253584?

#253584 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #837425. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #253584 below.

Is #253584 good for buttons?

#253584 works well for buttons and highlights, but use white text on #253584 — black text only reaches 1.92:1, below the 4.5:1 needed for normal-size labels.

Is #253584 the same as CSS darkslateblue?

No — #253584 is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#253584 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #253584

Not just a swatch — here's how #253584 works with other colors. Named schemes with #253584 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #253584 Anchor #141210 Accent #DC9659 Secondary #252933 Surface #F3ECE3

Yale Blue carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Moody Editorial Color · 5 colors

Color #253584 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #21154A

Yale Blue adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Yale Blue.

Coastal Morning Lead · 5 colors

Lead #253584 Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

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

Vintage Leather Lead · 5 colors

Lead #253584 Secondary #7F4535 Surface #EED7C2 Accent #365246 Anchor #582239

Yale 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.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #253584 Secondary #5A6481 Support #9D8F88 Ink #18140F

Yale 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 Yale Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #253584 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 20/100

Cool

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

Softness 30/100

Low

Firm and assertive — carries weight and contrast.

Depth 65/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 36/100

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 52/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 63/100

High

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

Surface fit 21/100

Low

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

Print safety 77/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #253584

For UI

For branding

For interior

For fashion

People also use #253584 with

Steel Blue Indigo Olive Brown Gainsboro Prussian Blue

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 10.9:1. Use

Subtle surface Use #CFD4EB for cards and hover fills. Tint 80

Avoid beside #352583 — 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 #253584 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: #253584;
  --color-base-rgb: 37 53 132;
  --color-base-oklch: oklch(36.7% 0.134 269.8);
  --color-50: #F3F4FC;
  --color-100: #DFE3F7;
  --color-200: #BFC7ED;
  --color-300: #93A0DC;
  --color-400: #6B7AC7;
  --color-500: #495AAC;
  --color-600: #3E4A84;
  --color-700: #31385E;
  --color-800: #23273E;
  --color-900: #171A26;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  yale-blue: {
    50: '#F3F4FC',
    100: '#DFE3F7',
    200: '#BFC7ED',
    300: '#93A0DC',
    400: '#6B7AC7',
    500: '#495AAC',
    600: '#3E4A84',
    700: '#31385E',
    800: '#23273E',
    900: '#171A26',
  },
}

$base: #253584;
$base-ink: #FFFFFF;
$base-50: #F3F4FC;
$base-100: #DFE3F7;
$base-200: #BFC7ED;
$base-300: #93A0DC;
$base-400: #6B7AC7;
$base-500: #495AAC;
$base-600: #3E4A84;
$base-700: #31385E;
$base-800: #23273E;
$base-900: #171A26;
$base-hover: #1E2A69;
$base-subtle: #B6BDE2;

{
    "color": {
        "base": {
            "value": "#253584",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F4FC",
                "type": "color"
            },
            "100": {
                "value": "#DFE3F7",
                "type": "color"
            },
            "200": {
                "value": "#BFC7ED",
                "type": "color"
            },
            "300": {
                "value": "#93A0DC",
                "type": "color"
            },
            "400": {
                "value": "#6B7AC7",
                "type": "color"
            },
            "500": {
                "value": "#495AAC",
                "type": "color"
            },
            "600": {
                "value": "#3E4A84",
                "type": "color"
            },
            "700": {
                "value": "#31385E",
                "type": "color"
            },
            "800": {
                "value": "#23273E",
                "type": "color"
            },
            "900": {
                "value": "#171A26",
                "type": "color"
            }
        }
    }
}

Palettes built on #253584

Color Lab

Pairs with #253584

UI roles & guardrails

In real applications

Scales

Every model

Export