What color is #313686?

#313686 is a dark blue-violet. In RGB it is rgb(49, 54, 134), and in HSL hsl(236, 46%, 36%).

Is #313686 accessible as text?

On white, #313686 has a contrast ratio of 10.49:1 (passes WCAG AA for body text); on black it is 2.00:1 (fails). For text placed on #313686, use white for the best readability.

What is the closest Tailwind color to #313686?

The nearest Tailwind CSS token is indigo-900 (#312C85).

What colors go well with #313686?

#313686 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #868032. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #313686 below.

Is #313686 good for buttons?

#313686 works well for buttons and highlights, but use white text on #313686 — black text only reaches 2.00:1, below the 4.5:1 needed for normal-size labels.

Is #313686 the same as CSS darkslateblue?

No — #313686 is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#313686 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #313686

Not just a swatch — here's how #313686 works with other colors. Named schemes with #313686 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #313686 Anchor #141210 Accent #DC9659 Secondary #262833 Surface #F3ECE3

Dark Slate 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 #313686 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #27174B

Dark Slate 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 Dark Slate Blue.

Coastal Morning Lead · 5 colors

Lead #313686 Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #21344A

Dark Slate 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 #313686 Secondary #7F4534 Surface #EED7C2 Accent #365247 Anchor #582239

Dark Slate 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 #313686 Secondary #616783 Support #9D9088 Ink #18140F

Dark Slate 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 Dark Slate Blue carrying the quiet middle.

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Color Lab

How #313686 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 23/100

Cool

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

Softness 31/100

Low

Firm and assertive — carries weight and contrast.

Depth 63/100

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 38/100

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 51/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 67/100

High

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

Surface fit 20/100

Low

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

Print safety 79/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #313686

For UI

For branding

For interior

For fashion

People also use #313686 with

Steel Blue Eminence Olive 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 10.5:1. Use

Subtle surface Use #D4D5E9 for cards and hover fills. Tint 80

Avoid beside #483286 — 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 #313686 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: #313686;
  --color-base-rgb: 49 54 134;
  --color-base-oklch: oklch(37.8% 0.132 275.4);
  --color-50: #F3F4FB;
  --color-100: #E1E2F5;
  --color-200: #C4C6E9;
  --color-300: #9A9ED5;
  --color-400: #7378BF;
  --color-500: #5257A3;
  --color-600: #44487E;
  --color-700: #35375A;
  --color-800: #25273C;
  --color-900: #181925;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-blue: {
    50: '#F3F4FB',
    100: '#E1E2F5',
    200: '#C4C6E9',
    300: '#9A9ED5',
    400: '#7378BF',
    500: '#5257A3',
    600: '#44487E',
    700: '#35375A',
    800: '#25273C',
    900: '#181925',
  },
}

$base: #313686;
$base-ink: #FFFFFF;
$base-50: #F3F4FB;
$base-100: #E1E2F5;
$base-200: #C4C6E9;
$base-300: #9A9ED5;
$base-400: #7378BF;
$base-500: #5257A3;
$base-600: #44487E;
$base-700: #35375A;
$base-800: #25273C;
$base-900: #181925;
$base-hover: #282C6B;
$base-subtle: #BDBFDF;

{
    "color": {
        "base": {
            "value": "#313686",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F4FB",
                "type": "color"
            },
            "100": {
                "value": "#E1E2F5",
                "type": "color"
            },
            "200": {
                "value": "#C4C6E9",
                "type": "color"
            },
            "300": {
                "value": "#9A9ED5",
                "type": "color"
            },
            "400": {
                "value": "#7378BF",
                "type": "color"
            },
            "500": {
                "value": "#5257A3",
                "type": "color"
            },
            "600": {
                "value": "#44487E",
                "type": "color"
            },
            "700": {
                "value": "#35375A",
                "type": "color"
            },
            "800": {
                "value": "#25273C",
                "type": "color"
            },
            "900": {
                "value": "#181925",
                "type": "color"
            }
        }
    }
}

Palettes built on #313686

Color Lab

Pairs with #313686

UI roles & guardrails

In real applications

Scales

Every model

Export