What color is #538BFB?

#538BFB is a light, vivid blue. In RGB it is rgb(83, 139, 251), and in HSL hsl(220, 95%, 65%).

Is #538BFB accessible as text?

On white, #538BFB has a contrast ratio of 3.25:1 (fails WCAG AA for body text); on black it is 6.45:1 (passes). For text placed on #538BFB, use black for the best readability.

What is the closest Tailwind color to #538BFB?

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

What colors go well with #538BFB?

#538BFB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #FBC251. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #538BFB below.

Is #538BFB good for buttons?

#538BFB works well for buttons and highlights, but use black text on #538BFB — white text only reaches 3.25:1, below the 4.5:1 needed for normal-size labels.

Is #538BFB the same as CSS dodgerblue?

No — #538BFB is not the CSS named color dodgerblue, but dodgerblue (#1E90FF) is the closest CSS named color.

#538BFB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #538BFB

Not just a swatch — here's how #538BFB works with other colors. Named schemes with #538BFB in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #538BFB Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

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

Nordic Calm Accent · 5 colors

Accent #538BFB Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A7 Anchor #2E3236

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

Tech Product Signal · 5 colors

Signal #538BFB Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #7DB3FF

Dodger 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 Dodger Blue.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #538BFB Secondary #A7BDE5 Support #9D8F88 Ink #18140F

Dodger 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 Dodger Blue carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #538BFB Anchor #3B2924 Surface #F3E1D2 Accent #789E79 Secondary #3D3734

Dodger Blue anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Build a working theme in the generator →

Color Lab

How #538BFB 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 8/100

Cool

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

Softness 44/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 36/100

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 28/100

Low

A faint retro warmth without tipping into sepia.

Luxury 39/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 68/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 73/100

High

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

Surface fit 22/100

Low

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

Print safety 67/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #538BFB

For UI

For branding

For interior

For fashion

People also use #538BFB with

Electric Blue Medium Slate Blue Burlywood Gainsboro Charcoal

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 5.7:1. Use

Subtle surface Use #E1E9F9 for cards and hover fills. Tint 80

Avoid beside #5151FB — 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 #538BFB 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: #538BFB;
  --color-base-rgb: 83 139 251;
  --color-base-oklch: oklch(65.4% 0.177 262.6);
  --color-50: #F0F5FE;
  --color-100: #D8E4FD;
  --color-200: #B1CAFC;
  --color-300: #7AA3F5;
  --color-400: #4A7FE8;
  --color-500: #275FCE;
  --color-600: #264D9C;
  --color-700: #213B6E;
  --color-800: #1A2947;
  --color-900: #121A2B;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  dodger-blue: {
    50: '#F0F5FE',
    100: '#D8E4FD',
    200: '#B1CAFC',
    300: '#7AA3F5',
    400: '#4A7FE8',
    500: '#275FCE',
    600: '#264D9C',
    700: '#213B6E',
    800: '#1A2947',
    900: '#121A2B',
  },
}

$base: #538BFB;
$base-ink: #141310;
$base-50: #F0F5FE;
$base-100: #D8E4FD;
$base-200: #B1CAFC;
$base-300: #7AA3F5;
$base-400: #4A7FE8;
$base-500: #275FCE;
$base-600: #264D9C;
$base-700: #213B6E;
$base-800: #1A2947;
$base-900: #121A2B;
$base-hover: #105EF9;
$base-subtle: #D1DEF8;

{
    "color": {
        "base": {
            "value": "#538BFB",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F5FE",
                "type": "color"
            },
            "100": {
                "value": "#D8E4FD",
                "type": "color"
            },
            "200": {
                "value": "#B1CAFC",
                "type": "color"
            },
            "300": {
                "value": "#7AA3F5",
                "type": "color"
            },
            "400": {
                "value": "#4A7FE8",
                "type": "color"
            },
            "500": {
                "value": "#275FCE",
                "type": "color"
            },
            "600": {
                "value": "#264D9C",
                "type": "color"
            },
            "700": {
                "value": "#213B6E",
                "type": "color"
            },
            "800": {
                "value": "#1A2947",
                "type": "color"
            },
            "900": {
                "value": "#121A2B",
                "type": "color"
            }
        }
    }
}

Palettes built on #538BFB

Color Lab

Pairs with #538BFB

UI roles & guardrails

In real applications

Scales

Every model

Export