What color is #367AB9?

#367AB9 is a medium blue. In RGB it is rgb(54, 122, 185), and in HSL hsl(209, 55%, 47%).

Is #367AB9 accessible as text?

On white, #367AB9 has a contrast ratio of 4.52:1 (passes WCAG AA for body text); on black it is 4.64:1 (passes). For text placed on #367AB9, use black for the best readability.

What is the closest Tailwind color to #367AB9?

The nearest Tailwind CSS token is sky-600 (#0084D1).

What colors go well with #367AB9?

#367AB9 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #BA7636. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #367AB9 below.

Is #367AB9 good for buttons?

#367AB9 works for buttons; black text has the higher contrast, so prefer it for labels.

Is #367AB9 the same as CSS steelblue?

No — #367AB9 is not the CSS named color steelblue, but steelblue (#4682B4) is the closest CSS named color.

#367AB9 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #367AB9

Not just a swatch — here's how #367AB9 works with other colors. Named schemes with #367AB9 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #367AB9 Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

Steel 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 #367AB9 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #639FDA

Steel 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 Steel Blue.

Vintage Leather Lead · 5 colors

Lead #367AB9 Secondary #7F4438 Surface #E1DDC0 Accent #375245 Anchor #57233B

Steel 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 #367AB9 Surface #EDE9D6 Anchor #5A2245 Accent #E4C2CB Secondary #322B2F

Steel 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 #367AB9 Secondary #8DA3BA Support #959386 Ink #16140F

Steel 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 Steel Blue carrying the quiet middle.

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Color Lab

How #367AB9 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 16/100

Cool

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

Softness 45/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 44/100

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 50/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 51/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 32/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 96/100

Very high

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

Surface fit 22/100

Low

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

Print safety 74/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #367AB9

For UI

For branding

For interior

For fashion

People also use #367AB9 with

Medium Turquoise Cobalt Blue Copper 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 4.5:1. Use

Subtle surface Use #D9E4EF for cards and hover fills. Tint 80

Avoid beside #364EBA — 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 #367AB9 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: #367AB9;
  --color-base-rgb: 54 122 185;
  --color-base-oklch: oklch(56.6% 0.120 249.3);
  --color-50: #F3F8FC;
  --color-100: #DFEBF6;
  --color-200: #C0D7ED;
  --color-300: #94B9DB;
  --color-400: #6B9BC7;
  --color-500: #4A7CAB;
  --color-600: #3F6283;
  --color-700: #31485E;
  --color-800: #23313E;
  --color-900: #171F26;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  steel-blue: {
    50: '#F3F8FC',
    100: '#DFEBF6',
    200: '#C0D7ED',
    300: '#94B9DB',
    400: '#6B9BC7',
    500: '#4A7CAB',
    600: '#3F6283',
    700: '#31485E',
    800: '#23313E',
    900: '#171F26',
  },
}

$base: #367AB9;
$base-ink: #141310;
$base-50: #F3F8FC;
$base-100: #DFEBF6;
$base-200: #C0D7ED;
$base-300: #94B9DB;
$base-400: #6B9BC7;
$base-500: #4A7CAB;
$base-600: #3F6283;
$base-700: #31485E;
$base-800: #23313E;
$base-900: #171F26;
$base-hover: #2B6295;
$base-subtle: #C6D7E7;

{
    "color": {
        "base": {
            "value": "#367AB9",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F8FC",
                "type": "color"
            },
            "100": {
                "value": "#DFEBF6",
                "type": "color"
            },
            "200": {
                "value": "#C0D7ED",
                "type": "color"
            },
            "300": {
                "value": "#94B9DB",
                "type": "color"
            },
            "400": {
                "value": "#6B9BC7",
                "type": "color"
            },
            "500": {
                "value": "#4A7CAB",
                "type": "color"
            },
            "600": {
                "value": "#3F6283",
                "type": "color"
            },
            "700": {
                "value": "#31485E",
                "type": "color"
            },
            "800": {
                "value": "#23313E",
                "type": "color"
            },
            "900": {
                "value": "#171F26",
                "type": "color"
            }
        }
    }
}

Palettes built on #367AB9

Color Lab

Pairs with #367AB9

UI roles & guardrails

In real applications

Scales

Every model

Export