What color is #126BEF?

#126BEF is a medium, vivid blue. In RGB it is rgb(18, 107, 239), and in HSL hsl(216, 87%, 50%).

Is #126BEF accessible as text?

On white, #126BEF has a contrast ratio of 4.80:1 (passes WCAG AA for body text); on black it is 4.38:1 (fails). For text placed on #126BEF, use white for the best readability.

What is the closest Tailwind color to #126BEF?

The nearest Tailwind CSS token is blue-600 (#155DFC).

What colors go well with #126BEF?

#126BEF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #EE9611. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #126BEF below.

Is #126BEF good for buttons?

#126BEF works well for buttons and highlights, but use white text on #126BEF — black text only reaches 4.38:1, below the 4.5:1 needed for normal-size labels.

Is #126BEF the same as CSS royalblue?

No — #126BEF is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#126BEF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #126BEF

Not just a swatch — here's how #126BEF works with other colors. Named schemes with #126BEF in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #126BEF Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #4A94FF

Royal 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 Royal Blue.

Coastal Morning Lead · 5 colors

Lead #126BEF Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

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

Berry & Cream Lead · 5 colors

Lead #126BEF Surface #F6E5D8 Anchor #5A2144 Accent #E4C2CA Secondary #322B2F

Royal 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 #126BEF Secondary #84A0CE Support #9D8F88 Ink #16140F

Royal 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 Royal Blue carrying the quiet middle.

Sunset Warmth Glow · 5 colors

Glow #126BEF Secondary #E76A76 Accent #F79152 Anchor #573B58 Surface #EEEBD6

Royal Blue glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.

Build a working theme in the generator →

Color Lab

How #126BEF 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 7/100

Cool

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

Softness 34/100

Low

Middle-weight — neither delicate nor heavy.

Depth 47/100

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 20/100

Very low

Clean and current — no dusty, aged cast.

Luxury 45/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 83/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 79/100

High

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

Surface fit 13/100

Very low

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

Print safety 58/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #126BEF

For UI

For branding

For interior

For fashion

People also use #126BEF with

Turquoise Ultramarine Butterscotch 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 4.8:1. Use

Subtle surface Use #D6E2F5 for cards and hover fills. Tint 80

Avoid beside #111FEE — 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 #126BEF 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: #126BEF;
  --color-base-rgb: 18 107 239;
  --color-base-oklch: oklch(56.2% 0.214 259.7);
  --color-50: #F0F6FE;
  --color-100: #D8E7FD;
  --color-200: #B3CFFA;
  --color-300: #7FACF0;
  --color-400: #518BE1;
  --color-500: #2E6BC7;
  --color-600: #2B5697;
  --color-700: #24406B;
  --color-800: #1C2C45;
  --color-900: #131C2A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  royal-blue: {
    50: '#F0F6FE',
    100: '#D8E7FD',
    200: '#B3CFFA',
    300: '#7FACF0',
    400: '#518BE1',
    500: '#2E6BC7',
    600: '#2B5697',
    700: '#24406B',
    800: '#1C2C45',
    900: '#131C2A',
  },
}

$base: #126BEF;
$base-ink: #FFFFFF;
$base-50: #F0F6FE;
$base-100: #D8E7FD;
$base-200: #B3CFFA;
$base-300: #7FACF0;
$base-400: #518BE1;
$base-500: #2E6BC7;
$base-600: #2B5697;
$base-700: #24406B;
$base-800: #1C2C45;
$base-900: #131C2A;
$base-hover: #0D54BF;
$base-subtle: #BFD4F2;

{
    "color": {
        "base": {
            "value": "#126BEF",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F6FE",
                "type": "color"
            },
            "100": {
                "value": "#D8E7FD",
                "type": "color"
            },
            "200": {
                "value": "#B3CFFA",
                "type": "color"
            },
            "300": {
                "value": "#7FACF0",
                "type": "color"
            },
            "400": {
                "value": "#518BE1",
                "type": "color"
            },
            "500": {
                "value": "#2E6BC7",
                "type": "color"
            },
            "600": {
                "value": "#2B5697",
                "type": "color"
            },
            "700": {
                "value": "#24406B",
                "type": "color"
            },
            "800": {
                "value": "#1C2C45",
                "type": "color"
            },
            "900": {
                "value": "#131C2A",
                "type": "color"
            }
        }
    }
}

Palettes built on #126BEF

Color Lab

Pairs with #126BEF

UI roles & guardrails

In real applications

Scales

Every model

Export