What color is #B5B5D9?

#B5B5D9 is a light, muted blue-violet. In RGB it is rgb(181, 181, 217), and in HSL hsl(240, 32%, 78%).

Is #B5B5D9 accessible as text?

On white, #B5B5D9 has a contrast ratio of 1.99:1 (fails WCAG AA for body text); on black it is 10.58:1 (passes). For text placed on #B5B5D9, use black for the best readability.

What is the closest Tailwind color to #B5B5D9?

The nearest Tailwind CSS token is indigo-300 (#A3B3FF).

What colors go well with #B5B5D9?

#B5B5D9 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #D9D9B5. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #B5B5D9 below.

Is #B5B5D9 good for buttons?

#B5B5D9 works well for buttons and highlights, but use black text on #B5B5D9 — white text only reaches 1.99:1, below the 4.5:1 needed for normal-size labels.

Is #B5B5D9 the same as CSS lightsteelblue?

No — #B5B5D9 is not the CSS named color lightsteelblue, but lightsteelblue (#B0C4DE) is the closest CSS named color.

#B5B5D9 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #B5B5D9

Not just a swatch — here's how #B5B5D9 works with other colors. Named schemes with #B5B5D9 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #B5B5D9 Secondary #AFB4B8 Surface #F1F2F0 Support #7E92A7 Anchor #2E3236

Light Steel Blue 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 #B5B5D9 Surface #F2E8DD Highlight #F8F0E7 Secondary #BEADA2 Ink #2C2724

Light Steel Blue 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 #B5B5D9 Accent #A5C4C3 Surface #EAD5BF Secondary #9AA0A1 Anchor #22334A

Light Steel Blue 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 #B5B5D9 Secondary #E5E5F2 Support #9D9088 Ink #18140F

Light Steel 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 Light Steel Blue carrying the quiet middle.

Tech Product Signal · 5 colors

Signal #B5B5D9 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #DCDCFE

Light Steel 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 Light Steel Blue.

Build a working theme in the generator →

Color Lab

How #B5B5D9 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 41/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 72/100

High

Soft and easy on the eye — gentle backdrops, calm surfaces.

Depth 21/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 35/100

Low

A faint retro warmth without tipping into sepia.

Luxury 27/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 20/100

Very low

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

UI accent fit 23/100

Low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 64/100

High

Calm enough for large fills — backgrounds, cards, sections.

Print safety 93/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #B5B5D9

For UI

For branding

For interior

For fashion

People also use #B5B5D9 with

Gainsboro Thistle Bone Prussian Blue

UI roles & guardrails

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

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

Large display Only on dark surfaces. Avoid

Background Pair with #141310 text at 9.4:1. Use

Subtle surface Use #F1F1F6 for cards and hover fills. Tint 80

Avoid beside #C1B5D9 — 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 #B5B5D9 at work across the surfaces designers actually ship.

Website / UI

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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: #B5B5D9;
  --color-base-rgb: 181 181 217;
  --color-base-oklch: oklch(78.5% 0.051 285.2);
  --color-50: #F5F5FA;
  --color-100: #E4E4F2;
  --color-200: #C9C9E3;
  --color-300: #A3A3CC;
  --color-400: #7F7FB3;
  --color-500: #5E5E97;
  --color-600: #4D4D75;
  --color-700: #3A3A54;
  --color-800: #292938;
  --color-900: #1A1A23;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  light-steel-blue: {
    50: '#F5F5FA',
    100: '#E4E4F2',
    200: '#C9C9E3',
    300: '#A3A3CC',
    400: '#7F7FB3',
    500: '#5E5E97',
    600: '#4D4D75',
    700: '#3A3A54',
    800: '#292938',
    900: '#1A1A23',
  },
}

$base: #B5B5D9;
$base-ink: #141310;
$base-50: #F5F5FA;
$base-100: #E4E4F2;
$base-200: #C9C9E3;
$base-300: #A3A3CC;
$base-400: #7F7FB3;
$base-500: #5E5E97;
$base-600: #4D4D75;
$base-700: #3A3A54;
$base-800: #292938;
$base-900: #1A1A23;
$base-hover: #8080BE;
$base-subtle: #EAEAF2;

{
    "color": {
        "base": {
            "value": "#B5B5D9",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F5FA",
                "type": "color"
            },
            "100": {
                "value": "#E4E4F2",
                "type": "color"
            },
            "200": {
                "value": "#C9C9E3",
                "type": "color"
            },
            "300": {
                "value": "#A3A3CC",
                "type": "color"
            },
            "400": {
                "value": "#7F7FB3",
                "type": "color"
            },
            "500": {
                "value": "#5E5E97",
                "type": "color"
            },
            "600": {
                "value": "#4D4D75",
                "type": "color"
            },
            "700": {
                "value": "#3A3A54",
                "type": "color"
            },
            "800": {
                "value": "#292938",
                "type": "color"
            },
            "900": {
                "value": "#1A1A23",
                "type": "color"
            }
        }
    }
}