What color is #64BBC4?

#64BBC4 is a medium cyan. In RGB it is rgb(100, 187, 196), and in HSL hsl(186, 45%, 58%).

Is #64BBC4 accessible as text?

On white, #64BBC4 has a contrast ratio of 2.22:1 (fails WCAG AA for body text); on black it is 9.45:1 (passes). For text placed on #64BBC4, use black for the best readability.

What is the closest Tailwind color to #64BBC4?

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

What colors go well with #64BBC4?

#64BBC4 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #C46D64. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #64BBC4 below.

Is #64BBC4 good for buttons?

#64BBC4 works well for buttons and highlights, but use black text on #64BBC4 — white text only reaches 2.22:1, below the 4.5:1 needed for normal-size labels.

Is #64BBC4 the same as CSS darkturquoise?

No — #64BBC4 is not the CSS named color darkturquoise, but darkturquoise (#00CED1) is the closest CSS named color.

#64BBC4 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #64BBC4

Not just a swatch — here's how #64BBC4 works with other colors. Named schemes with #64BBC4 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #64BBC4 Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Lagoon Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Coastal Morning Lead · 5 colors

Lead #64BBC4 Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

Lagoon Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Japanese Sand Base · 5 colors

Base #64BBC4 Surface #EDEADC Highlight #F4F2E7 Secondary #B4B19F Ink #2A2723

Lagoon Blue sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Tech Product Signal · 5 colors

Signal #64BBC4 Surface #14161A Highlight #F4F6F8 Secondary #596671 Accent #94E1E9

Lagoon 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 Lagoon Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #64BBC4 Secondary #C2DEE1 Support #979286 Ink #16140F

Lagoon 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 Lagoon Blue carrying the quiet middle.

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Color Lab

How #64BBC4 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 27/100

Cool

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

Softness 63/100

High

Soft and easy on the eye — gentle backdrops, calm surfaces.

Depth 25/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 7/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 43/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 33/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 33/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 41/100

Moderate

Workable accent with care around contrast.

Surface fit 50/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 78/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #64BBC4

For UI

For branding

For interior

For fashion

People also use #64BBC4 with

Medium Aquamarine Glaucous Rose Gold Platinum Dark Slate Gray

UI roles & guardrails

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

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 8.4:1. Use

Subtle surface Use #E3EFF1 for cards and hover fills. Tint 80

Avoid beside #649AC4 — 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 #64BBC4 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: #64BBC4;
  --color-base-rgb: 100 187 196;
  --color-base-oklch: oklch(74.1% 0.085 204.3);
  --color-50: #F4FAFB;
  --color-100: #E1F2F4;
  --color-200: #C4E5E8;
  --color-300: #9BCFD5;
  --color-400: #74B7BE;
  --color-500: #539AA2;
  --color-600: #45777D;
  --color-700: #35565A;
  --color-800: #26393B;
  --color-900: #192325;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  lagoon-blue: {
    50: '#F4FAFB',
    100: '#E1F2F4',
    200: '#C4E5E8',
    300: '#9BCFD5',
    400: '#74B7BE',
    500: '#539AA2',
    600: '#45777D',
    700: '#35565A',
    800: '#26393B',
    900: '#192325',
  },
}

$base: #64BBC4;
$base-ink: #141310;
$base-50: #F4FAFB;
$base-100: #E1F2F4;
$base-200: #C4E5E8;
$base-300: #9BCFD5;
$base-400: #74B7BE;
$base-500: #539AA2;
$base-600: #45777D;
$base-700: #35565A;
$base-800: #26393B;
$base-900: #192325;
$base-hover: #41A1AC;
$base-subtle: #D4E8EA;

{
    "color": {
        "base": {
            "value": "#64BBC4",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FAFB",
                "type": "color"
            },
            "100": {
                "value": "#E1F2F4",
                "type": "color"
            },
            "200": {
                "value": "#C4E5E8",
                "type": "color"
            },
            "300": {
                "value": "#9BCFD5",
                "type": "color"
            },
            "400": {
                "value": "#74B7BE",
                "type": "color"
            },
            "500": {
                "value": "#539AA2",
                "type": "color"
            },
            "600": {
                "value": "#45777D",
                "type": "color"
            },
            "700": {
                "value": "#35565A",
                "type": "color"
            },
            "800": {
                "value": "#26393B",
                "type": "color"
            },
            "900": {
                "value": "#192325",
                "type": "color"
            }
        }
    }
}

Palettes built on #64BBC4

Color Lab

Pairs with #64BBC4

UI roles & guardrails

In real applications

Scales

Every model

Export