What color is #313259?

#313259 is a dark, muted blue-violet. In RGB it is rgb(49, 50, 89), and in HSL hsl(239, 29%, 27%).

Is #313259 accessible as text?

On white, #313259 has a contrast ratio of 12.13:1 (passes WCAG AA for body text); on black it is 1.73:1 (fails). For text placed on #313259, use white for the best readability.

What is the closest Tailwind color to #313259?

The nearest Tailwind CSS token is mauve-700 (#463947).

What colors go well with #313259?

#313259 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #595831. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #313259 below.

Is #313259 good for buttons?

#313259 works well for buttons and highlights, but use white text on #313259 — black text only reaches 1.73:1, below the 4.5:1 needed for normal-size labels.

Is #313259 the same as CSS midnightblue?

No — #313259 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#313259 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #313259

Not just a swatch — here's how #313259 works with other colors. Named schemes with #313259 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #313259 Accent #A5C4C3 Surface #EAD5BF Secondary #9AA0A1 Anchor #22334A

Prussian 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 #313259 Secondary #AEB4B8 Surface #F1F2F0 Support #7E92A7 Anchor #2E3236

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

Vintage Leather Lead · 5 colors

Lead #313259 Secondary #7F4534 Surface #EDD7C2 Accent #365247 Anchor #582238

Prussian 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.

Luxury Packaging Feature · 5 colors

Feature #313259 Anchor #141210 Accent #DB9758 Secondary #272833 Surface #F3ECE3

Prussian 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.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #313259 Secondary #5A5B6A Support #9D9088 Ink #18140F

Prussian 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 Prussian Blue carrying the quiet middle.

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Color Lab

How #313259 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 37/100

Cool

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

Softness 32/100

Low

Middle-weight — neither delicate nor heavy.

Depth 64/100

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 41/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 68/100

High

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

Brand distinctiveness 26/100

Low

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

UI accent fit 42/100

Moderate

Workable accent with care around contrast.

Surface fit 43/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 90/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #313259

For UI

For branding

For interior

For fashion

People also use #313259 with

Feldgrau Charcoal Army Green 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 12.1:1. Use

Subtle surface Use #D2D2E2 for cards and hover fills. Tint 80

Avoid beside #3E3159 — 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 #313259 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: #313259;
  --color-base-rgb: 49 50 89;
  --color-base-oklch: oklch(33.6% 0.068 281.0);
  --color-50: #F5F5FA;
  --color-100: #E4E5F1;
  --color-200: #CACBE2;
  --color-300: #A5A6CA;
  --color-400: #8182B1;
  --color-500: #616294;
  --color-600: #4F4F73;
  --color-700: #3C3C53;
  --color-800: #292A37;
  --color-900: #1B1B23;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  prussian-blue: {
    50: '#F5F5FA',
    100: '#E4E5F1',
    200: '#CACBE2',
    300: '#A5A6CA',
    400: '#8182B1',
    500: '#616294',
    600: '#4F4F73',
    700: '#3C3C53',
    800: '#292A37',
    900: '#1B1B23',
  },
}

$base: #313259;
$base-ink: #FFFFFF;
$base-50: #F5F5FA;
$base-100: #E4E5F1;
$base-200: #CACBE2;
$base-300: #A5A6CA;
$base-400: #8182B1;
$base-500: #616294;
$base-600: #4F4F73;
$base-700: #3C3C53;
$base-800: #292A37;
$base-900: #1B1B23;
$base-hover: #272847;
$base-subtle: #BBBBD3;

{
    "color": {
        "base": {
            "value": "#313259",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F5FA",
                "type": "color"
            },
            "100": {
                "value": "#E4E5F1",
                "type": "color"
            },
            "200": {
                "value": "#CACBE2",
                "type": "color"
            },
            "300": {
                "value": "#A5A6CA",
                "type": "color"
            },
            "400": {
                "value": "#8182B1",
                "type": "color"
            },
            "500": {
                "value": "#616294",
                "type": "color"
            },
            "600": {
                "value": "#4F4F73",
                "type": "color"
            },
            "700": {
                "value": "#3C3C53",
                "type": "color"
            },
            "800": {
                "value": "#292A37",
                "type": "color"
            },
            "900": {
                "value": "#1B1B23",
                "type": "color"
            }
        }
    }
}

Palettes built on #313259

Color Lab

Pairs with #313259

UI roles & guardrails

In real applications

Scales

Every model

Export