What color is #215FBC?

#215FBC is a medium, vivid blue. In RGB it is rgb(33, 95, 188), and in HSL hsl(216, 70%, 43%).

Is #215FBC accessible as text?

On white, #215FBC has a contrast ratio of 6.13:1 (passes WCAG AA for body text); on black it is 3.43:1 (fails). For text placed on #215FBC, use white for the best readability.

What is the closest Tailwind color to #215FBC?

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

What colors go well with #215FBC?

#215FBC pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #BA7D21. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #215FBC below.

Is #215FBC good for buttons?

#215FBC works well for buttons and highlights, but use white text on #215FBC — black text only reaches 3.43:1, below the 4.5:1 needed for normal-size labels.

Is #215FBC the same as CSS royalblue?

No — #215FBC is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#215FBC Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #215FBC

Not just a swatch — here's how #215FBC works with other colors. Named schemes with #215FBC in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #215FBC 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 #215FBC Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #4E85DB

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 #215FBC Secondary #7F4536 Surface #E1DDC1 Accent #375246 Anchor #57223A

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 #215FBC 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 #215FBC Secondary #788DAF 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.

Build a working theme in the generator →

Color Lab

How #215FBC 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 36/100

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 36/100

Low

A faint retro warmth without tipping into sepia.

Luxury 54/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 43/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 97/100

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 69/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #215FBC

For UI

For branding

For interior

For fashion

People also use #215FBC with

Medium Turquoise Egyptian Blue Dark Goldenrod 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 6.1:1. Use

Subtle surface Use #D3DFF1 for cards and hover fills. Tint 80

Avoid beside #212BBA — 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 #215FBC 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: #215FBC;
  --color-base-rgb: 33 95 188;
  --color-base-oklch: oklch(50.0% 0.160 258.9);
  --color-50: #F1F6FD;
  --color-100: #DBE8FA;
  --color-200: #BAD1F3;
  --color-300: #8AAFE5;
  --color-400: #5F8DD3;
  --color-500: #3D6EB8;
  --color-600: #35588C;
  --color-700: #2B4264;
  --color-800: #202D41;
  --color-900: #151D28;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  denim-blue: {
    50: '#F1F6FD',
    100: '#DBE8FA',
    200: '#BAD1F3',
    300: '#8AAFE5',
    400: '#5F8DD3',
    500: '#3D6EB8',
    600: '#35588C',
    700: '#2B4264',
    800: '#202D41',
    900: '#151D28',
  },
}

$base: #215FBC;
$base-ink: #FFFFFF;
$base-50: #F1F6FD;
$base-100: #DBE8FA;
$base-200: #BAD1F3;
$base-300: #8AAFE5;
$base-400: #5F8DD3;
$base-500: #3D6EB8;
$base-600: #35588C;
$base-700: #2B4264;
$base-800: #202D41;
$base-900: #151D28;
$base-hover: #1A4B95;
$base-subtle: #BCCFEB;

{
    "color": {
        "base": {
            "value": "#215FBC",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F6FD",
                "type": "color"
            },
            "100": {
                "value": "#DBE8FA",
                "type": "color"
            },
            "200": {
                "value": "#BAD1F3",
                "type": "color"
            },
            "300": {
                "value": "#8AAFE5",
                "type": "color"
            },
            "400": {
                "value": "#5F8DD3",
                "type": "color"
            },
            "500": {
                "value": "#3D6EB8",
                "type": "color"
            },
            "600": {
                "value": "#35588C",
                "type": "color"
            },
            "700": {
                "value": "#2B4264",
                "type": "color"
            },
            "800": {
                "value": "#202D41",
                "type": "color"
            },
            "900": {
                "value": "#151D28",
                "type": "color"
            }
        }
    }
}

Palettes built on #215FBC

Color Lab

Pairs with #215FBC

UI roles & guardrails

In real applications

Scales

Every model

Export