What color is #B1BFDB?

#B1BFDB is a light, soft blue. In RGB it is rgb(177, 191, 219), and in HSL hsl(220, 37%, 78%).

Is #B1BFDB accessible as text?

On white, #B1BFDB has a contrast ratio of 1.85:1 (fails WCAG AA for body text); on black it is 11.34:1 (passes). For text placed on #B1BFDB, use black for the best readability.

What is the closest Tailwind color to #B1BFDB?

The nearest Tailwind CSS token is blue-300 (#8EC5FF).

What colors go well with #B1BFDB?

#B1BFDB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #DCCEB2. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #B1BFDB below.

Is #B1BFDB good for buttons?

#B1BFDB works well for buttons and highlights, but use black text on #B1BFDB — white text only reaches 1.85:1, below the 4.5:1 needed for normal-size labels.

Is #B1BFDB the same as CSS lightsteelblue?

No — #B1BFDB is not the CSS named color lightsteelblue, but lightsteelblue (#B0C4DE) is the closest CSS named color.

#B1BFDB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #B1BFDB

Not just a swatch — here's how #B1BFDB works with other colors. Named schemes with #B1BFDB in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #B1BFDB Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A7 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.

Coastal Morning Lead · 5 colors

Lead #B1BFDB Accent #A5C4C2 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

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

Japanese Sand Base · 5 colors

Base #B1BFDB Surface #EBEADD Highlight #F4F2E7 Secondary #BEACA2 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.

Tech Product Signal · 5 colors

Signal #B1BFDB Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #D9E6FF

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.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #B1BFDB Secondary #E7ECF7 Support #9D8F88 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.

Build a working theme in the generator →

Color Lab

How #B1BFDB 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 40/100

Neutral

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

Softness 75/100

High

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

Depth 19/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 30/100

Low

A faint retro warmth without tipping into sepia.

Luxury 25/100

Low

Playful and accessible rather than exclusive.

Brand distinctiveness 16/100

Very low

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

UI accent fit 19/100

Very low

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

Surface fit 68/100

High

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

Print safety 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #B1BFDB

For UI

For branding

For interior

For fashion

People also use #B1BFDB with

Gainsboro Lilac Desert Sand Charcoal

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 10.0:1. Use

Subtle surface Use #F1F3F7 for cards and hover fills. Tint 80

Avoid beside #B2B2DC — 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 #B1BFDB 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: #B1BFDB;
  --color-base-rgb: 177 191 219;
  --color-base-oklch: oklch(80.3% 0.043 264.3);
  --color-50: #F4F6FA;
  --color-100: #E3E8F3;
  --color-200: #C7D1E5;
  --color-300: #A0B0CF;
  --color-400: #7A8FB8;
  --color-500: #5A709B;
  --color-600: #4A5978;
  --color-700: #384256;
  --color-800: #282D39;
  --color-900: #1A1D24;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  light-steel-blue: {
    50: '#F4F6FA',
    100: '#E3E8F3',
    200: '#C7D1E5',
    300: '#A0B0CF',
    400: '#7A8FB8',
    500: '#5A709B',
    600: '#4A5978',
    700: '#384256',
    800: '#282D39',
    900: '#1A1D24',
  },
}

$base: #B1BFDB;
$base-ink: #141310;
$base-50: #F4F6FA;
$base-100: #E3E8F3;
$base-200: #C7D1E5;
$base-300: #A0B0CF;
$base-400: #7A8FB8;
$base-500: #5A709B;
$base-600: #4A5978;
$base-700: #384256;
$base-800: #282D39;
$base-900: #1A1D24;
$base-hover: #7C93C3;
$base-subtle: #E9EDF3;

{
    "color": {
        "base": {
            "value": "#B1BFDB",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F6FA",
                "type": "color"
            },
            "100": {
                "value": "#E3E8F3",
                "type": "color"
            },
            "200": {
                "value": "#C7D1E5",
                "type": "color"
            },
            "300": {
                "value": "#A0B0CF",
                "type": "color"
            },
            "400": {
                "value": "#7A8FB8",
                "type": "color"
            },
            "500": {
                "value": "#5A709B",
                "type": "color"
            },
            "600": {
                "value": "#4A5978",
                "type": "color"
            },
            "700": {
                "value": "#384256",
                "type": "color"
            },
            "800": {
                "value": "#282D39",
                "type": "color"
            },
            "900": {
                "value": "#1A1D24",
                "type": "color"
            }
        }
    }
}

Palettes built on #B1BFDB

Color Lab

Pairs with #B1BFDB

UI roles & guardrails

In real applications

Scales

Every model

Export