What color is #8381BB?

#8381BB is a light, muted blue-violet. In RGB it is rgb(131, 129, 187), and in HSL hsl(242, 30%, 62%).

Is #8381BB accessible as text?

On white, #8381BB has a contrast ratio of 3.61:1 (fails WCAG AA for body text); on black it is 5.82:1 (passes). For text placed on #8381BB, use black for the best readability.

What is the closest Tailwind color to #8381BB?

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

What colors go well with #8381BB?

#8381BB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B9BB81. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #8381BB below.

Is #8381BB good for buttons?

#8381BB works well for buttons and highlights, but use black text on #8381BB — white text only reaches 3.61:1, below the 4.5:1 needed for normal-size labels.

Is #8381BB the same as CSS lightslategray?

No — #8381BB is not the CSS named color lightslategray, but lightslategray (#778899) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#8381BB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #8381BB

Not just a swatch — here's how #8381BB works with other colors. Named schemes with #8381BB in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #8381BB Secondary #AFB4B8 Surface #F1F2F0 Support #7E92A7 Anchor #2E3236

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

Japanese Sand Base · 5 colors

Base #8381BB Surface #F2E8DD Highlight #F8F0E7 Secondary #BEADA2 Ink #2C2724

Glaucous sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Coastal Morning Lead · 5 colors

Lead #8381BB Accent #A5C4C3 Surface #EAD5BF Secondary #9AA0A1 Anchor #22334A

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #8381BB Secondary #B1B1C7 Support #9D9088 Ink #18140F

Glaucous 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 Glaucous carrying the quiet middle.

Tech Product Signal · 5 colors

Signal #8381BB Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #A8A7DD

Glaucous is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Glaucous.

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Color Lab

How #8381BB 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 35/100

Cool

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

Softness 54/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 37/100

Low

Mid depth — usable as an accent or a muted ground.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 60/100

Moderate

Faded, nostalgic quality — editorial, heritage and retro work.

Luxury 44/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 33/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 75/100

High

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

Surface fit 38/100

Low

Usable as a tinted surface in measured doses.

Print safety 88/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #8381BB

For UI

For branding

For interior

For fashion

People also use #8381BB with

Dark Gray Cool Gray Dark Khaki 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 5.2:1. Use

Subtle surface Use #E8E7F0 for cards and hover fills. Tint 80

Avoid beside #9681BB — 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 #8381BB 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: #8381BB;
  --color-base-rgb: 131 129 187;
  --color-base-oklch: oklch(62.8% 0.087 285.2);
  --color-50: #F5F5FA;
  --color-100: #E5E4F1;
  --color-200: #CBCAE2;
  --color-300: #A6A4CB;
  --color-400: #8280B2;
  --color-500: #626095;
  --color-600: #4F4E74;
  --color-700: #3C3B54;
  --color-800: #2A2938;
  --color-900: #1B1B23;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  glaucous: {
    50: '#F5F5FA',
    100: '#E5E4F1',
    200: '#CBCAE2',
    300: '#A6A4CB',
    400: '#8280B2',
    500: '#626095',
    600: '#4F4E74',
    700: '#3C3B54',
    800: '#2A2938',
    900: '#1B1B23',
  },
}

$base: #8381BB;
$base-ink: #141310;
$base-50: #F5F5FA;
$base-100: #E5E4F1;
$base-200: #CBCAE2;
$base-300: #A6A4CB;
$base-400: #8280B2;
$base-500: #626095;
$base-600: #4F4E74;
$base-700: #3C3B54;
$base-800: #2A2938;
$base-900: #1B1B23;
$base-hover: #5B59A4;
$base-subtle: #DCDBE9;

{
    "color": {
        "base": {
            "value": "#8381BB",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F5FA",
                "type": "color"
            },
            "100": {
                "value": "#E5E4F1",
                "type": "color"
            },
            "200": {
                "value": "#CBCAE2",
                "type": "color"
            },
            "300": {
                "value": "#A6A4CB",
                "type": "color"
            },
            "400": {
                "value": "#8280B2",
                "type": "color"
            },
            "500": {
                "value": "#626095",
                "type": "color"
            },
            "600": {
                "value": "#4F4E74",
                "type": "color"
            },
            "700": {
                "value": "#3C3B54",
                "type": "color"
            },
            "800": {
                "value": "#2A2938",
                "type": "color"
            },
            "900": {
                "value": "#1B1B23",
                "type": "color"
            }
        }
    }
}

Palettes built on #8381BB

Color Lab

Pairs with #8381BB

UI roles & guardrails

In real applications

Scales

Every model

Export