What color is #005FCB?

#005FCB is a medium, vivid blue. In RGB it is rgb(0, 95, 203), and in HSL hsl(212, 100%, 40%).

Is #005FCB accessible as text?

On white, #005FCB has a contrast ratio of 6.00:1 (passes WCAG AA for body text); on black it is 3.50:1 (fails). For text placed on #005FCB, use white for the best readability.

What is the closest Tailwind color to #005FCB?

The nearest Tailwind CSS token is sky-700 (#0069A8).

What colors go well with #005FCB?

#005FCB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CC6D00. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #005FCB below.

Is #005FCB good for buttons?

#005FCB works well for buttons and highlights, but use white text on #005FCB — black text only reaches 3.50:1, below the 4.5:1 needed for normal-size labels.

Is #005FCB the same as CSS royalblue?

No — #005FCB is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#005FCB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #005FCB

Not just a swatch — here's how #005FCB works with other colors. Named schemes with #005FCB in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #005FCB Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

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

Tech Product Signal · 5 colors

Signal #005FCB Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #4086EA

Denim 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 Denim Blue.

Vintage Leather Lead · 5 colors

Lead #005FCB Secondary #7F4537 Surface #E1DDC1 Accent #375246 Anchor #57223B

Denim Blue plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Berry & Cream Lead · 5 colors

Lead #005FCB Surface #EDE9D6 Anchor #5A2144 Accent #E4C2CA Secondary #322B2F

Denim Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #005FCB Secondary #7590B6 Support #9D8F89 Ink #16140F

Denim 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 Denim Blue carrying the quiet middle.

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Color Lab

How #005FCB 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 6/100

Cool

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

Softness 34/100

Low

Middle-weight — neither delicate nor heavy.

Depth 52/100

Moderate

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 52/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 50/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 92/100

Very high

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

Surface fit 8/100

Very low

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

Print safety 63/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #005FCB

For UI

For branding

For interior

For fashion

People also use #005FCB with

Cyan Medium Blue Ginger Gainsboro Charcoal

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 6.0:1. Use

Subtle surface Use #CADFF6 for cards and hover fills. Tint 80

Avoid beside #001BCC — 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 #005FCB 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: #005FCB;
  --color-base-rgb: 0 95 203;
  --color-base-oklch: oklch(50.6% 0.184 257.6);
  --color-50: #F0F7FE;
  --color-100: #D8E9FD;
  --color-200: #B1D4FC;
  --color-300: #77B3F8;
  --color-400: #4693EC;
  --color-500: #2275D2;
  --color-600: #235D9F;
  --color-700: #1F4570;
  --color-800: #182F48;
  --color-900: #111E2C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  denim-blue: {
    50: '#F0F7FE',
    100: '#D8E9FD',
    200: '#B1D4FC',
    300: '#77B3F8',
    400: '#4693EC',
    500: '#2275D2',
    600: '#235D9F',
    700: '#1F4570',
    800: '#182F48',
    900: '#111E2C',
  },
}

$base: #005FCB;
$base-ink: #FFFFFF;
$base-50: #F0F7FE;
$base-100: #D8E9FD;
$base-200: #B1D4FC;
$base-300: #77B3F8;
$base-400: #4693EC;
$base-500: #2275D2;
$base-600: #235D9F;
$base-700: #1F4570;
$base-800: #182F48;
$base-900: #111E2C;
$base-hover: #004CA3;
$base-subtle: #AECFF4;

{
    "color": {
        "base": {
            "value": "#005FCB",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F7FE",
                "type": "color"
            },
            "100": {
                "value": "#D8E9FD",
                "type": "color"
            },
            "200": {
                "value": "#B1D4FC",
                "type": "color"
            },
            "300": {
                "value": "#77B3F8",
                "type": "color"
            },
            "400": {
                "value": "#4693EC",
                "type": "color"
            },
            "500": {
                "value": "#2275D2",
                "type": "color"
            },
            "600": {
                "value": "#235D9F",
                "type": "color"
            },
            "700": {
                "value": "#1F4570",
                "type": "color"
            },
            "800": {
                "value": "#182F48",
                "type": "color"
            },
            "900": {
                "value": "#111E2C",
                "type": "color"
            }
        }
    }
}

Palettes built on #005FCB

Color Lab

Pairs with #005FCB

UI roles & guardrails

In real applications

Scales

Every model

Export