What color is #3EA5B7?

#3EA5B7 is a medium cyan. In RGB it is rgb(62, 165, 183), and in HSL hsl(189, 49%, 48%).

Is #3EA5B7 accessible as text?

On white, #3EA5B7 has a contrast ratio of 2.89:1 (fails WCAG AA for body text); on black it is 7.27:1 (passes). For text placed on #3EA5B7, use black for the best readability.

What is the closest Tailwind color to #3EA5B7?

The nearest Tailwind CSS token is cyan-500 (#00B8DB).

What colors go well with #3EA5B7?

#3EA5B7 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B6503E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3EA5B7 below.

Is #3EA5B7 good for buttons?

#3EA5B7 works well for buttons and highlights, but use black text on #3EA5B7 — white text only reaches 2.89:1, below the 4.5:1 needed for normal-size labels.

Is #3EA5B7 the same as CSS cadetblue?

No — #3EA5B7 is not the CSS named color cadetblue, but cadetblue (#5F9EA0) is the closest CSS named color.

#3EA5B7 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3EA5B7

Not just a swatch — here's how #3EA5B7 works with other colors. Named schemes with #3EA5B7 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #3EA5B7 Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1E3549

Cadet 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 #3EA5B7 Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Cadet 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 #3EA5B7 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #73CADA

Cadet 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 Cadet Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #3EA5B7 Secondary #A9C7CD Support #979286 Ink #16140F

Cadet 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 Cadet Blue carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #3EA5B7 Anchor #372C1D Surface #EBE5D0 Accent #7E9D74 Secondary #3A3933

Cadet Blue anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Build a working theme in the generator →

Color Lab

How #3EA5B7 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 23/100

Cool

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

Softness 56/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 33/100

Low

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

Naturalness 5/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 48/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 40/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 37/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 66/100

High

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

Surface fit 39/100

Low

Usable as a tinted surface in measured doses.

Print safety 74/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #3EA5B7

For UI

For branding

For interior

For fashion

People also use #3EA5B7 with

Medium Aquamarine Denim Blue Rust Platinum Dark Slate Gray

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

Body text Do not use for body copy on light surfaces. Avoid

Large display Only on dark surfaces. Avoid

Background Pair with #141310 text at 6.4:1. Use

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

Avoid beside #3E7CB6 — 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 #3EA5B7 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: #3EA5B7;
  --color-base-rgb: 62 165 183;
  --color-base-oklch: oklch(67.0% 0.096 211.2);
  --color-50: #F3FAFB;
  --color-100: #E0F2F5;
  --color-200: #C2E4EA;
  --color-300: #98CED7;
  --color-400: #70B5C2;
  --color-500: #4F99A6;
  --color-600: #42767F;
  --color-700: #34555B;
  --color-800: #25393C;
  --color-900: #182325;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  cadet-blue: {
    50: '#F3FAFB',
    100: '#E0F2F5',
    200: '#C2E4EA',
    300: '#98CED7',
    400: '#70B5C2',
    500: '#4F99A6',
    600: '#42767F',
    700: '#34555B',
    800: '#25393C',
    900: '#182325',
  },
}

$base: #3EA5B7;
$base-ink: #141310;
$base-50: #F3FAFB;
$base-100: #E0F2F5;
$base-200: #C2E4EA;
$base-300: #98CED7;
$base-400: #70B5C2;
$base-500: #4F99A6;
$base-600: #42767F;
$base-700: #34555B;
$base-800: #25393C;
$base-900: #182325;
$base-hover: #328492;
$base-subtle: #C8E2E6;

{
    "color": {
        "base": {
            "value": "#3EA5B7",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FAFB",
                "type": "color"
            },
            "100": {
                "value": "#E0F2F5",
                "type": "color"
            },
            "200": {
                "value": "#C2E4EA",
                "type": "color"
            },
            "300": {
                "value": "#98CED7",
                "type": "color"
            },
            "400": {
                "value": "#70B5C2",
                "type": "color"
            },
            "500": {
                "value": "#4F99A6",
                "type": "color"
            },
            "600": {
                "value": "#42767F",
                "type": "color"
            },
            "700": {
                "value": "#34555B",
                "type": "color"
            },
            "800": {
                "value": "#25393C",
                "type": "color"
            },
            "900": {
                "value": "#182325",
                "type": "color"
            }
        }
    }
}

Palettes built on #3EA5B7

Color Lab

Pairs with #3EA5B7

UI roles & guardrails

In real applications

Scales

Every model

Export