What color is #122CB2?

#122CB2 is a dark, vivid blue. In RGB it is rgb(18, 44, 178), and in HSL hsl(230, 82%, 38%).

Is #122CB2 accessible as text?

On white, #122CB2 has a contrast ratio of 10.35:1 (passes WCAG AA for body text); on black it is 2.03:1 (fails). For text placed on #122CB2, use white for the best readability.

What is the closest Tailwind color to #122CB2?

The nearest Tailwind CSS token is blue-800 (#193CB8).

What colors go well with #122CB2?

#122CB2 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B09611. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #122CB2 below.

Is #122CB2 good for buttons?

#122CB2 works well for buttons and highlights, but use white text on #122CB2 — black text only reaches 2.03:1, below the 4.5:1 needed for normal-size labels.

Is #122CB2 the same as CSS mediumblue?

No — #122CB2 is not the CSS named color mediumblue, but mediumblue (#0000CD) is the closest CSS named color.

#122CB2 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #122CB2

Not just a swatch — here's how #122CB2 works with other colors. Named schemes with #122CB2 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #122CB2 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #3259D0

Klein 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 Klein Blue.

Coastal Morning Lead · 5 colors

Lead #122CB2 Accent #A5C4C2 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

Klein 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 #122CB2 Surface #F6E5D8 Anchor #5B2144 Accent #E5C2CA Secondary #322B2F

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #122CB2 Secondary #586B97 Support #9D8F88 Ink #18140F

Klein 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 Klein Blue carrying the quiet middle.

Sunset Warmth Glow · 5 colors

Glow #122CB2 Secondary #E86A74 Accent #F79251 Anchor #573B58 Surface #F7E7D7

Klein 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 #122CB2 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 10/100

Cool

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

Softness 25/100

Low

Firm and assertive — carries weight and contrast.

Depth 66/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 17/100

Very low

Clean and current — no dusty, aged cast.

Luxury 59/100

Moderate

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 81/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 59/100

Moderate

Workable accent with care around contrast.

Surface fit 15/100

Very low

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

Print safety 62/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #122CB2

For UI

For branding

For interior

For fashion

People also use #122CB2 with

Carolina Blue Grape Dark Goldenrod Gainsboro Prussian Blue

UI roles & guardrails

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

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 10.4:1. Use

Subtle surface Use #CDD3F2 for cards and hover fills. Tint 80

Avoid beside #2C11B0 — 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 #122CB2 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: #122CB2;
  --color-base-rgb: 18 44 178;
  --color-base-oklch: oklch(39.0% 0.209 265.9);
  --color-50: #F0F3FE;
  --color-100: #D9DFFC;
  --color-200: #B5C0F8;
  --color-300: #8394ED;
  --color-400: #556CDD;
  --color-500: #324AC3;
  --color-600: #2E3F94;
  --color-700: #263169;
  --color-800: #1D2344;
  --color-900: #14172A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  klein-blue: {
    50: '#F0F3FE',
    100: '#D9DFFC',
    200: '#B5C0F8',
    300: '#8394ED',
    400: '#556CDD',
    500: '#324AC3',
    600: '#2E3F94',
    700: '#263169',
    800: '#1D2344',
    900: '#14172A',
  },
}

$base: #122CB2;
$base-ink: #FFFFFF;
$base-50: #F0F3FE;
$base-100: #D9DFFC;
$base-200: #B5C0F8;
$base-300: #8394ED;
$base-400: #556CDD;
$base-500: #324AC3;
$base-600: #2E3F94;
$base-700: #263169;
$base-800: #1D2344;
$base-900: #14172A;
$base-hover: #0E238D;
$base-subtle: #B2BCED;

{
    "color": {
        "base": {
            "value": "#122CB2",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F3FE",
                "type": "color"
            },
            "100": {
                "value": "#D9DFFC",
                "type": "color"
            },
            "200": {
                "value": "#B5C0F8",
                "type": "color"
            },
            "300": {
                "value": "#8394ED",
                "type": "color"
            },
            "400": {
                "value": "#556CDD",
                "type": "color"
            },
            "500": {
                "value": "#324AC3",
                "type": "color"
            },
            "600": {
                "value": "#2E3F94",
                "type": "color"
            },
            "700": {
                "value": "#263169",
                "type": "color"
            },
            "800": {
                "value": "#1D2344",
                "type": "color"
            },
            "900": {
                "value": "#14172A",
                "type": "color"
            }
        }
    }
}

Palettes built on #122CB2

Color Lab

Pairs with #122CB2

UI roles & guardrails

In real applications

Scales

Every model

Export