What color is #254EB7?

#254EB7 is a medium blue. In RGB it is rgb(37, 78, 183), and in HSL hsl(223, 66%, 43%).

Is #254EB7 accessible as text?

On white, #254EB7 has a contrast ratio of 7.36:1 (passes WCAG AA for body text); on black it is 2.85:1 (fails). For text placed on #254EB7, use white for the best readability.

What is the closest Tailwind color to #254EB7?

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

What colors go well with #254EB7?

#254EB7 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B68D25. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #254EB7 below.

Is #254EB7 good for buttons?

#254EB7 works well for buttons and highlights, but use white text on #254EB7 — black text only reaches 2.85:1, below the 4.5:1 needed for normal-size labels.

Is #254EB7 the same as CSS darkslateblue?

No — #254EB7 is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#254EB7 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #254EB7

Not just a swatch — here's how #254EB7 works with other colors. Named schemes with #254EB7 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #254EB7 Accent #A5C4C2 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.

Tech Product Signal · 5 colors

Signal #254EB7 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #4B75D6

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.

Vintage Leather Lead · 5 colors

Lead #254EB7 Secondary #7F4536 Surface #EED7C2 Accent #365246 Anchor #57223A

Sapphire 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 #254EB7 Surface #F6E5D8 Anchor #5B2144 Accent #E5C2CA 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 #254EB7 Secondary #6F81A6 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.

Build a working theme in the generator →

Color Lab

How #254EB7 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 9/100

Cool

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

Softness 32/100

Low

Middle-weight — neither delicate nor heavy.

Depth 57/100

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 30/100

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 47/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 88/100

Very high

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

Surface fit 10/100

Very low

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

Print safety 68/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #254EB7

For UI

For branding

For interior

For fashion

People also use #254EB7 with

Lagoon Blue Grape 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 7.4:1. Use

Subtle surface Use #D4DCF0 for cards and hover fills. Tint 80

Avoid beside #2D25B6 — 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 #254EB7 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: #254EB7;
  --color-base-rgb: 37 78 183;
  --color-base-oklch: oklch(46.1% 0.173 264.4);
  --color-50: #F2F5FD;
  --color-100: #DCE4F9;
  --color-200: #BBCBF1;
  --color-300: #8DA5E2;
  --color-400: #6281D0;
  --color-500: #4061B5;
  --color-600: #384F8A;
  --color-700: #2D3C62;
  --color-800: #212A40;
  --color-900: #161B28;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  sapphire-blue: {
    50: '#F2F5FD',
    100: '#DCE4F9',
    200: '#BBCBF1',
    300: '#8DA5E2',
    400: '#6281D0',
    500: '#4061B5',
    600: '#384F8A',
    700: '#2D3C62',
    800: '#212A40',
    900: '#161B28',
  },
}

$base: #254EB7;
$base-ink: #FFFFFF;
$base-50: #F2F5FD;
$base-100: #DCE4F9;
$base-200: #BBCBF1;
$base-300: #8DA5E2;
$base-400: #6281D0;
$base-500: #4061B5;
$base-600: #384F8A;
$base-700: #2D3C62;
$base-800: #212A40;
$base-900: #161B28;
$base-hover: #1E3F92;
$base-subtle: #BECAE9;

{
    "color": {
        "base": {
            "value": "#254EB7",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F5FD",
                "type": "color"
            },
            "100": {
                "value": "#DCE4F9",
                "type": "color"
            },
            "200": {
                "value": "#BBCBF1",
                "type": "color"
            },
            "300": {
                "value": "#8DA5E2",
                "type": "color"
            },
            "400": {
                "value": "#6281D0",
                "type": "color"
            },
            "500": {
                "value": "#4061B5",
                "type": "color"
            },
            "600": {
                "value": "#384F8A",
                "type": "color"
            },
            "700": {
                "value": "#2D3C62",
                "type": "color"
            },
            "800": {
                "value": "#212A40",
                "type": "color"
            },
            "900": {
                "value": "#161B28",
                "type": "color"
            }
        }
    }
}

Palettes built on #254EB7

Color Lab

Pairs with #254EB7

UI roles & guardrails

In real applications

Scales

Every model

Export