What color is #B3CAEF?

#B3CAEF is a pale, soft blue. In RGB it is rgb(179, 202, 239), and in HSL hsl(217, 65%, 82%).

Is #B3CAEF accessible as text?

On white, #B3CAEF has a contrast ratio of 1.67:1 (fails WCAG AA for body text); on black it is 12.61:1 (passes). For text placed on #B3CAEF, use black for the best readability.

What is the closest Tailwind color to #B3CAEF?

The nearest Tailwind CSS token is indigo-200 (#C6D2FF).

What colors go well with #B3CAEF?

#B3CAEF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #EFD8B3. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #B3CAEF below.

Is #B3CAEF good for buttons?

#B3CAEF works well for buttons and highlights, but use black text on #B3CAEF — white text only reaches 1.67:1, below the 4.5:1 needed for normal-size labels.

Is #B3CAEF the same as CSS lightsteelblue?

No — #B3CAEF is not the CSS named color lightsteelblue, but lightsteelblue (#B0C4DE) is the closest CSS named color.

#B3CAEF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #B3CAEF

Not just a swatch — here's how #B3CAEF works with other colors. Named schemes with #B3CAEF in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #B3CAEF Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A6 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 #B3CAEF Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

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 #B3CAEF Surface #EBEADC 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 #B3CAEF Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #DCF1FF

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 #F6F4EF Accent #B3CAEF Secondary #EFF7FF Support #9D8F88 Ink #16140F

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 #B3CAEF 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 75/100

High

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

Depth 16/100

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 22/100

Low

Playful and accessible rather than exclusive.

Brand distinctiveness 22/100

Low

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

UI accent fit 15/100

Very low

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

Surface fit 67/100

High

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

Print safety 89/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #B3CAEF

For UI

For branding

For interior

For fashion

People also use #B3CAEF with

Pale Turquoise Wisteria Wheat Gainsboro 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 11.2:1. Use

Subtle surface Use #F2F5FA for cards and hover fills. Tint 80

Avoid beside #B3B6EF — 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 #B3CAEF 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: #B3CAEF;
  --color-base-rgb: 179 202 239;
  --color-base-oklch: oklch(83.4% 0.058 259.9);
  --color-50: #F2F6FD;
  --color-100: #DDE7F9;
  --color-200: #BCD0F1;
  --color-300: #8EAEE2;
  --color-400: #638CCF;
  --color-500: #416DB4;
  --color-600: #385789;
  --color-700: #2D4162;
  --color-800: #212D40;
  --color-900: #161D27;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  light-steel-blue: {
    50: '#F2F6FD',
    100: '#DDE7F9',
    200: '#BCD0F1',
    300: '#8EAEE2',
    400: '#638CCF',
    500: '#416DB4',
    600: '#385789',
    700: '#2D4162',
    800: '#212D40',
    900: '#161D27',
  },
}

$base: #B3CAEF;
$base-ink: #141310;
$base-50: #F2F6FD;
$base-100: #DDE7F9;
$base-200: #BCD0F1;
$base-300: #8EAEE2;
$base-400: #638CCF;
$base-500: #416DB4;
$base-600: #385789;
$base-700: #2D4162;
$base-800: #212D40;
$base-900: #161D27;
$base-hover: #6E9AE0;
$base-subtle: #EAF0F8;

{
    "color": {
        "base": {
            "value": "#B3CAEF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F6FD",
                "type": "color"
            },
            "100": {
                "value": "#DDE7F9",
                "type": "color"
            },
            "200": {
                "value": "#BCD0F1",
                "type": "color"
            },
            "300": {
                "value": "#8EAEE2",
                "type": "color"
            },
            "400": {
                "value": "#638CCF",
                "type": "color"
            },
            "500": {
                "value": "#416DB4",
                "type": "color"
            },
            "600": {
                "value": "#385789",
                "type": "color"
            },
            "700": {
                "value": "#2D4162",
                "type": "color"
            },
            "800": {
                "value": "#212D40",
                "type": "color"
            },
            "900": {
                "value": "#161D27",
                "type": "color"
            }
        }
    }
}

Palettes built on #B3CAEF

Color Lab

Pairs with #B3CAEF

UI roles & guardrails

In real applications

Scales

Every model

Export