What color is #3A689A?

#3A689A is a medium blue. In RGB it is rgb(58, 104, 154), and in HSL hsl(211, 45%, 42%).

Is #3A689A accessible as text?

On white, #3A689A has a contrast ratio of 5.79:1 (passes WCAG AA for body text); on black it is 3.63:1 (fails). For text placed on #3A689A, use white for the best readability.

What is the closest Tailwind color to #3A689A?

The nearest Tailwind CSS token is sky-700 (#0069A8).

What colors go well with #3A689A?

#3A689A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #9B6D3B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3A689A below.

Is #3A689A good for buttons?

#3A689A works well for buttons and highlights, but use white text on #3A689A — black text only reaches 3.63:1, below the 4.5:1 needed for normal-size labels.

Is #3A689A the same as CSS steelblue?

No — #3A689A is not the CSS named color steelblue, but steelblue (#4682B4) is the closest CSS named color.

#3A689A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3A689A

Not just a swatch — here's how #3A689A works with other colors. Named schemes with #3A689A in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #3A689A Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

Lapis Lazuli 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 #3A689A Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #628CBB

Lapis Lazuli is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Lapis Lazuli.

Vintage Leather Lead · 5 colors

Lead #3A689A Secondary #7F4537 Surface #E1DDC0 Accent #375245 Anchor #57233B

Lapis Lazuli 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 #3A689A Surface #EDE9D6 Anchor #5A2145 Accent #E4C2CB Secondary #322B2F

Lapis Lazuli 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 #3A689A Secondary #8090A3 Support #959386 Ink #16140F

Lapis Lazuli 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 Lapis Lazuli carrying the quiet middle.

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Color Lab

How #3A689A 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 24/100

Cool

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

Softness 44/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 49/100

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 56/100

Moderate

Faded, nostalgic quality — editorial, heritage and retro work.

Luxury 56/100

Moderate

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

Brand distinctiveness 26/100

Low

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

UI accent fit 91/100

Very high

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

Surface fit 24/100

Low

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

Print safety 80/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #3A689A

For UI

For branding

For interior

For fashion

People also use #3A689A with

Verdigris Dark Slate Blue Olive Brown 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 5.8:1. Use

Subtle surface Use #D8E1EB for cards and hover fills. Tint 80

Avoid beside #3B499B — 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 #3A689A 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: #3A689A;
  --color-base-rgb: 58 104 154;
  --color-base-oklch: oklch(50.8% 0.095 251.9);
  --color-50: #F4F7FB;
  --color-100: #E1EAF4;
  --color-200: #C4D6E8;
  --color-300: #9BB7D5;
  --color-400: #7498BE;
  --color-500: #5379A2;
  --color-600: #45607D;
  --color-700: #35475A;
  --color-800: #26303B;
  --color-900: #191E25;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  lapis-lazuli: {
    50: '#F4F7FB',
    100: '#E1EAF4',
    200: '#C4D6E8',
    300: '#9BB7D5',
    400: '#7498BE',
    500: '#5379A2',
    600: '#45607D',
    700: '#35475A',
    800: '#26303B',
    900: '#191E25',
  },
}

$base: #3A689A;
$base-ink: #FFFFFF;
$base-50: #F4F7FB;
$base-100: #E1EAF4;
$base-200: #C4D6E8;
$base-300: #9BB7D5;
$base-400: #7498BE;
$base-500: #5379A2;
$base-600: #45607D;
$base-700: #35475A;
$base-800: #26303B;
$base-900: #191E25;
$base-hover: #2F547C;
$base-subtle: #C3D2E2;

{
    "color": {
        "base": {
            "value": "#3A689A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F7FB",
                "type": "color"
            },
            "100": {
                "value": "#E1EAF4",
                "type": "color"
            },
            "200": {
                "value": "#C4D6E8",
                "type": "color"
            },
            "300": {
                "value": "#9BB7D5",
                "type": "color"
            },
            "400": {
                "value": "#7498BE",
                "type": "color"
            },
            "500": {
                "value": "#5379A2",
                "type": "color"
            },
            "600": {
                "value": "#45607D",
                "type": "color"
            },
            "700": {
                "value": "#35475A",
                "type": "color"
            },
            "800": {
                "value": "#26303B",
                "type": "color"
            },
            "900": {
                "value": "#191E25",
                "type": "color"
            }
        }
    }
}

Palettes built on #3A689A

Color Lab

Pairs with #3A689A

UI roles & guardrails

In real applications

Scales

Every model

Export