What color is #1849BB?

#1849BB is a medium, vivid blue. In RGB it is rgb(24, 73, 187), and in HSL hsl(222, 77%, 41%).

Is #1849BB accessible as text?

On white, #1849BB has a contrast ratio of 7.75:1 (passes WCAG AA for body text); on black it is 2.71:1 (fails). For text placed on #1849BB, use white for the best readability.

What is the closest Tailwind color to #1849BB?

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

What colors go well with #1849BB?

#1849BB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B98918. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #1849BB below.

Is #1849BB good for buttons?

#1849BB works well for buttons and highlights, but use white text on #1849BB — black text only reaches 2.71:1, below the 4.5:1 needed for normal-size labels.

Is #1849BB the same as CSS darkslateblue?

No — #1849BB is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#1849BB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #1849BB

Not just a swatch — here's how #1849BB works with other colors. Named schemes with #1849BB in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #1849BB Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #4171D9

Sapphire 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 Sapphire Blue.

Coastal Morning Lead · 5 colors

Lead #1849BB Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

Sapphire 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 #1849BB Surface #F6E5D8 Anchor #5B2144 Accent #E4C2CA Secondary #322B2F

Sapphire 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 #1849BB Secondary #697EA5 Support #9D8F88 Ink #18140F

Sapphire 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 Sapphire Blue carrying the quiet middle.

Sunset Warmth Glow · 5 colors

Glow #1849BB Secondary #E76A75 Accent #F79151 Anchor #573B58 Surface #EEEBD7

Sapphire 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 #1849BB 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 30/100

Low

Firm and assertive — carries weight and contrast.

Depth 58/100

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 25/100

Low

A faint retro warmth without tipping into sepia.

Luxury 56/100

Moderate

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

Brand distinctiveness 72/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 82/100

Very high

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

Surface fit 11/100

Very low

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

Print safety 65/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #1849BB

For UI

For branding

For interior

For fashion

People also use #1849BB with

Lagoon Blue Egyptian Blue Dark Goldenrod Gainsboro 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 7.8:1. Use

Subtle surface Use #D0DAF2 for cards and hover fills. Tint 80

Avoid beside #1D18B9 — 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 #1849BB at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #1849BB;
  --color-base-rgb: 24 73 187;
  --color-base-oklch: oklch(45.1% 0.187 263.3);
  --color-50: #F1F5FE;
  --color-100: #DAE4FB;
  --color-200: #B7CAF5;
  --color-300: #86A4E9;
  --color-400: #5980D9;
  --color-500: #375FBE;
  --color-600: #314E91;
  --color-700: #283B66;
  --color-800: #1E2943;
  --color-900: #141A29;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  sapphire-blue: {
    50: '#F1F5FE',
    100: '#DAE4FB',
    200: '#B7CAF5',
    300: '#86A4E9',
    400: '#5980D9',
    500: '#375FBE',
    600: '#314E91',
    700: '#283B66',
    800: '#1E2943',
    900: '#141A29',
  },
}

$base: #1849BB;
$base-ink: #FFFFFF;
$base-50: #F1F5FE;
$base-100: #DAE4FB;
$base-200: #B7CAF5;
$base-300: #86A4E9;
$base-400: #5980D9;
$base-500: #375FBE;
$base-600: #314E91;
$base-700: #283B66;
$base-800: #1E2943;
$base-900: #141A29;
$base-hover: #133A94;
$base-subtle: #B7C7EC;

{
    "color": {
        "base": {
            "value": "#1849BB",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F5FE",
                "type": "color"
            },
            "100": {
                "value": "#DAE4FB",
                "type": "color"
            },
            "200": {
                "value": "#B7CAF5",
                "type": "color"
            },
            "300": {
                "value": "#86A4E9",
                "type": "color"
            },
            "400": {
                "value": "#5980D9",
                "type": "color"
            },
            "500": {
                "value": "#375FBE",
                "type": "color"
            },
            "600": {
                "value": "#314E91",
                "type": "color"
            },
            "700": {
                "value": "#283B66",
                "type": "color"
            },
            "800": {
                "value": "#1E2943",
                "type": "color"
            },
            "900": {
                "value": "#141A29",
                "type": "color"
            }
        }
    }
}