What color is #12486C?

#12486C is a dark, vivid cyan-blue. In RGB it is rgb(18, 72, 108), and in HSL hsl(204, 71%, 25%).

Is #12486C accessible as text?

On white, #12486C has a contrast ratio of 9.68:1 (passes WCAG AA for body text); on black it is 2.17:1 (fails). For text placed on #12486C, use white for the best readability.

What is the closest Tailwind color to #12486C?

The nearest Tailwind CSS token is sky-900 (#024A70).

What colors go well with #12486C?

#12486C pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #6D3712. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #12486C below.

Is #12486C good for buttons?

#12486C works well for buttons and highlights, but use white text on #12486C — black text only reaches 2.17:1, below the 4.5:1 needed for normal-size labels.

Is #12486C the same as CSS darkslategray?

No — #12486C is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#12486C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #12486C

Not just a swatch — here's how #12486C works with other colors. Named schemes with #12486C in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #12486C Accent #A5C4C0 Surface #DEDBBF Secondary #9AA0A0 Anchor #1F344A

Classic 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 #12486C Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 Anchor #2E3236

Classic 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 #12486C Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #3D6A8C

Classic 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 Classic Blue.

Vintage Leather Lead · 5 colors

Lead #12486C Secondary #7F4438 Surface #E2DDC0 Accent #375245 Anchor #57233C

Classic 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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #12486C Secondary #5D6D7A Support #969386 Ink #16140F

Classic 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 Classic Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #12486C 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 26/100

Cool

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

Softness 35/100

Low

Middle-weight — neither delicate nor heavy.

Depth 60/100

High

Mid depth — usable as an accent or a muted ground.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 44/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 65/100

High

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

Brand distinctiveness 22/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 61/100

High

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

Surface fit 35/100

Low

Usable as a tinted surface in measured doses.

Print safety 81/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #12486C

For UI

For branding

For interior

For fashion

People also use #12486C with

Dark Cyan Midnight Blue Sepia Platinum Charcoal

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 9.7:1. Use

Subtle surface Use #C5DDEC for cards and hover fills. Tint 80

Avoid beside #122B6D — 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 #12486C at work across the surfaces designers actually ship.

Website / UI

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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: #12486C;
  --color-base-rgb: 18 72 108;
  --color-base-oklch: oklch(38.6% 0.082 243.0);
  --color-50: #F1F9FD;
  --color-100: #DBEEFA;
  --color-200: #B9DCF3;
  --color-300: #8AC1E5;
  --color-400: #5EA5D4;
  --color-500: #3C87B9;
  --color-600: #356A8D;
  --color-700: #2B4D64;
  --color-800: #1F3442;
  --color-900: #152128;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  classic-blue: {
    50: '#F1F9FD',
    100: '#DBEEFA',
    200: '#B9DCF3',
    300: '#8AC1E5',
    400: '#5EA5D4',
    500: '#3C87B9',
    600: '#356A8D',
    700: '#2B4D64',
    800: '#1F3442',
    900: '#152128',
  },
}

$base: #12486C;
$base-ink: #FFFFFF;
$base-50: #F1F9FD;
$base-100: #DBEEFA;
$base-200: #B9DCF3;
$base-300: #8AC1E5;
$base-400: #5EA5D4;
$base-500: #3C87B9;
$base-600: #356A8D;
$base-700: #2B4D64;
$base-800: #1F3442;
$base-900: #152128;
$base-hover: #0F3A57;
$base-subtle: #A7CCE5;

{
    "color": {
        "base": {
            "value": "#12486C",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F9FD",
                "type": "color"
            },
            "100": {
                "value": "#DBEEFA",
                "type": "color"
            },
            "200": {
                "value": "#B9DCF3",
                "type": "color"
            },
            "300": {
                "value": "#8AC1E5",
                "type": "color"
            },
            "400": {
                "value": "#5EA5D4",
                "type": "color"
            },
            "500": {
                "value": "#3C87B9",
                "type": "color"
            },
            "600": {
                "value": "#356A8D",
                "type": "color"
            },
            "700": {
                "value": "#2B4D64",
                "type": "color"
            },
            "800": {
                "value": "#1F3442",
                "type": "color"
            },
            "900": {
                "value": "#152128",
                "type": "color"
            }
        }
    }
}

Palettes built on #12486C

Color Lab

Pairs with #12486C

UI roles & guardrails

In real applications

Scales

Every model

Export