What color is #686CBB?

#686CBB is a medium blue-violet. In RGB it is rgb(104, 108, 187), and in HSL hsl(237, 38%, 57%).

Is #686CBB accessible as text?

On white, #686CBB has a contrast ratio of 4.72:1 (passes WCAG AA for body text); on black it is 4.45:1 (fails). For text placed on #686CBB, use white for the best readability.

What is the closest Tailwind color to #686CBB?

The nearest Tailwind CSS token is sky-600 (#0084D1).

What colors go well with #686CBB?

#686CBB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #BBB768. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #686CBB below.

Is #686CBB good for buttons?

#686CBB works well for buttons and highlights, but use white text on #686CBB — black text only reaches 4.45:1, below the 4.5:1 needed for normal-size labels.

Is #686CBB the same as CSS slateblue?

No — #686CBB is not the CSS named color slateblue, but slateblue (#6A5ACD) is the closest CSS named color.

#686CBB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #686CBB

Not just a swatch — here's how #686CBB works with other colors. Named schemes with #686CBB in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #686CBB Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #22344A

Very Peri 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 #686CBB Secondary #7F4534 Surface #EDD7C2 Accent #365247 Anchor #582238

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

Modern Café Dominant · 5 colors

Dominant #686CBB Anchor #3B2923 Surface #F3E1D2 Accent #769F7B Secondary #3C3734

Very Peri anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Berry & Cream Lead · 5 colors

Lead #686CBB Surface #F6E5D8 Anchor #5B2142 Accent #E5C2C9 Secondary #322B2F

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #686CBB Secondary #9A9DBA Support #9D9088 Ink #18140F

Very Peri 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 Very Peri carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #686CBB 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 27/100

Cool

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

Softness 45/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 44/100

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 54/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 51/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 33/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 96/100

Very high

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

Surface fit 22/100

Low

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

Print safety 82/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #686CBB

For UI

For branding

For interior

For fashion

People also use #686CBB with

Iceberg Amethyst Dark Khaki Gainsboro Prussian Blue

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

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 4.7:1. Use

Subtle surface Use #E3E4EF for cards and hover fills. Tint 80

Avoid beside #7F68BB — 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 #686CBB 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: #686CBB;
  --color-base-rgb: 104 108 187;
  --color-base-oklch: oklch(56.4% 0.121 279.6);
  --color-50: #F4F4FB;
  --color-100: #E2E3F3;
  --color-200: #C7C8E6;
  --color-300: #9FA2D0;
  --color-400: #7A7DB8;
  --color-500: #595C9C;
  --color-600: #494C79;
  --color-700: #383A57;
  --color-800: #27283A;
  --color-900: #191A24;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  very-peri: {
    50: '#F4F4FB',
    100: '#E2E3F3',
    200: '#C7C8E6',
    300: '#9FA2D0',
    400: '#7A7DB8',
    500: '#595C9C',
    600: '#494C79',
    700: '#383A57',
    800: '#27283A',
    900: '#191A24',
  },
}

$base: #686CBB;
$base-ink: #FFFFFF;
$base-50: #F4F4FB;
$base-100: #E2E3F3;
$base-200: #C7C8E6;
$base-300: #9FA2D0;
$base-400: #7A7DB8;
$base-500: #595C9C;
$base-600: #494C79;
$base-700: #383A57;
$base-800: #27283A;
$base-900: #191A24;
$base-hover: #484DA0;
$base-subtle: #D5D6E8;

{
    "color": {
        "base": {
            "value": "#686CBB",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F4FB",
                "type": "color"
            },
            "100": {
                "value": "#E2E3F3",
                "type": "color"
            },
            "200": {
                "value": "#C7C8E6",
                "type": "color"
            },
            "300": {
                "value": "#9FA2D0",
                "type": "color"
            },
            "400": {
                "value": "#7A7DB8",
                "type": "color"
            },
            "500": {
                "value": "#595C9C",
                "type": "color"
            },
            "600": {
                "value": "#494C79",
                "type": "color"
            },
            "700": {
                "value": "#383A57",
                "type": "color"
            },
            "800": {
                "value": "#27283A",
                "type": "color"
            },
            "900": {
                "value": "#191A24",
                "type": "color"
            }
        }
    }
}

Palettes built on #686CBB

Color Lab

Pairs with #686CBB

UI roles & guardrails

In real applications

Scales

Every model

Export