What color is #6779EB?

#6779EB is a light, vivid blue-violet. In RGB it is rgb(103, 121, 235), and in HSL hsl(232, 77%, 66%).

Is #6779EB accessible as text?

On white, #6779EB has a contrast ratio of 3.81:1 (fails WCAG AA for body text); on black it is 5.51:1 (passes). For text placed on #6779EB, use black for the best readability.

What is the closest Tailwind color to #6779EB?

The nearest Tailwind CSS token is indigo-400 (#7C86FF).

What colors go well with #6779EB?

#6779EB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #EBD966. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #6779EB below.

Is #6779EB good for buttons?

#6779EB works well for buttons and highlights, but use black text on #6779EB — white text only reaches 3.81:1, below the 4.5:1 needed for normal-size labels.

Is #6779EB the same as CSS mediumslateblue?

No — #6779EB is not the CSS named color mediumslateblue, but mediumslateblue (#7B68EE) is the closest CSS named color.

#6779EB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #6779EB

Not just a swatch — here's how #6779EB works with other colors. Named schemes with #6779EB in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #6779EB Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Medium Slate 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 #6779EB Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #8CA1FF

Medium Slate 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 Medium Slate Blue.

Vintage Leather Lead · 5 colors

Lead #6779EB Secondary #7F4535 Surface #EED7C2 Accent #365247 Anchor #582239

Medium 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.

Berry & Cream Lead · 5 colors

Lead #6779EB Surface #F6E5D8 Anchor #5B2143 Accent #E5C2C9 Secondary #322B2F

Medium Slate Blue 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 #6779EB Secondary #A4AFD7 Support #9D8F88 Ink #18140F

Medium 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 Medium Slate Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #6779EB 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 14/100

Cool

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

Softness 42/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 40/100

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 33/100

Low

A faint retro warmth without tipping into sepia.

Luxury 43/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 46/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 84/100

Very high

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

Surface fit 19/100

Very low

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

Print safety 72/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #6779EB

For UI

For branding

For interior

For fashion

People also use #6779EB with

Baby Blue Medium Purple Flax Gainsboro Prussian Blue

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 4.9:1. Use

Subtle surface Use #E4E7F7 for cards and hover fills. Tint 80

Avoid beside #8066EB — 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 #6779EB at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #6779EB;
  --color-base-rgb: 103 121 235;
  --color-base-oklch: oklch(61.9% 0.171 273.6);
  --color-50: #F1F3FE;
  --color-100: #DADEFB;
  --color-200: #B7BFF5;
  --color-300: #8693E9;
  --color-400: #596AD9;
  --color-500: #3749BE;
  --color-600: #313E91;
  --color-700: #283166;
  --color-800: #1E2343;
  --color-900: #141729;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  medium-slate-blue: {
    50: '#F1F3FE',
    100: '#DADEFB',
    200: '#B7BFF5',
    300: '#8693E9',
    400: '#596AD9',
    500: '#3749BE',
    600: '#313E91',
    700: '#283166',
    800: '#1E2343',
    900: '#141729',
  },
}

$base: #6779EB;
$base-ink: #141310;
$base-50: #F1F3FE;
$base-100: #DADEFB;
$base-200: #B7BFF5;
$base-300: #8693E9;
$base-400: #596AD9;
$base-500: #3749BE;
$base-600: #313E91;
$base-700: #283166;
$base-800: #1E2343;
$base-900: #141729;
$base-hover: #2A43E3;
$base-subtle: #D6DAF4;

{
    "color": {
        "base": {
            "value": "#6779EB",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F3FE",
                "type": "color"
            },
            "100": {
                "value": "#DADEFB",
                "type": "color"
            },
            "200": {
                "value": "#B7BFF5",
                "type": "color"
            },
            "300": {
                "value": "#8693E9",
                "type": "color"
            },
            "400": {
                "value": "#596AD9",
                "type": "color"
            },
            "500": {
                "value": "#3749BE",
                "type": "color"
            },
            "600": {
                "value": "#313E91",
                "type": "color"
            },
            "700": {
                "value": "#283166",
                "type": "color"
            },
            "800": {
                "value": "#1E2343",
                "type": "color"
            },
            "900": {
                "value": "#141729",
                "type": "color"
            }
        }
    }
}

Palettes built on #6779EB

Color Lab

Pairs with #6779EB

UI roles & guardrails

In real applications

Scales

Every model

Export