What color is #618C94?

#618C94 is a medium, muted cyan. In RGB it is rgb(97, 140, 148), and in HSL hsl(189, 21%, 48%).

Is #618C94 accessible as text?

On white, #618C94 has a contrast ratio of 3.69:1 (fails WCAG AA for body text); on black it is 5.69:1 (passes). For text placed on #618C94, use black for the best readability.

What is the closest Tailwind color to #618C94?

The nearest Tailwind CSS token is mist-500 (#67787C).

What colors go well with #618C94?

#618C94 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #946861. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #618C94 below.

Is #618C94 good for buttons?

#618C94 works well for buttons and highlights, but use black text on #618C94 — white text only reaches 3.69:1, below the 4.5:1 needed for normal-size labels.

Is #618C94 the same as CSS lightslategray?

No — #618C94 is not the CSS named color lightslategray, but lightslategray (#778899) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#618C94 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #618C94

Not just a swatch — here's how #618C94 works with other colors. Named schemes with #618C94 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #618C94 Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

Light Slate Gray 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 #618C94 Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Light Slate Gray 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 #618C94 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #89B0B8

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

Vintage Leather Lead · 5 colors

Lead #618C94 Secondary #705117 Surface #E3DCC0 Accent #395143 Anchor #56233F

Light Slate Gray plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #618C94 Secondary #A3B2B4 Support #979286 Ink #16140F

Light Slate Gray 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 Light Slate Gray carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #618C94 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 36/100

Cool

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

Softness 58/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 37/100

Low

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

Naturalness 3/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 43/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 43/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 19/100

Very low

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

UI accent fit 63/100

High

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

Surface fit 48/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 87/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #618C94

For UI

For branding

For interior

For fashion

People also use #618C94 with

Cadet Blue Very Peri Mauve Taupe 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 Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 5.0:1. Use

Subtle surface Use #E0E7E8 for cards and hover fills. Tint 80

Avoid beside #617B94 — 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 #618C94 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: #618C94;
  --color-base-rgb: 97 140 148;
  --color-base-oklch: oklch(61.2% 0.049 210.4);
  --color-50: #F6F9F9;
  --color-100: #E6EEEF;
  --color-200: #CEDCDF;
  --color-300: #AAC1C5;
  --color-400: #88A5AA;
  --color-500: #68878D;
  --color-600: #546A6E;
  --color-700: #3F4D50;
  --color-800: #2B3435;
  --color-900: #1C2121;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  light-slate-gray: {
    50: '#F6F9F9',
    100: '#E6EEEF',
    200: '#CEDCDF',
    300: '#AAC1C5',
    400: '#88A5AA',
    500: '#68878D',
    600: '#546A6E',
    700: '#3F4D50',
    800: '#2B3435',
    900: '#1C2121',
  },
}

$base: #618C94;
$base-ink: #141310;
$base-50: #F6F9F9;
$base-100: #E6EEEF;
$base-200: #CEDCDF;
$base-300: #AAC1C5;
$base-400: #88A5AA;
$base-500: #68878D;
$base-600: #546A6E;
$base-700: #3F4D50;
$base-800: #2B3435;
$base-900: #1C2121;
$base-hover: #4D7076;
$base-subtle: #D1DCDE;

{
    "color": {
        "base": {
            "value": "#618C94",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F9F9",
                "type": "color"
            },
            "100": {
                "value": "#E6EEEF",
                "type": "color"
            },
            "200": {
                "value": "#CEDCDF",
                "type": "color"
            },
            "300": {
                "value": "#AAC1C5",
                "type": "color"
            },
            "400": {
                "value": "#88A5AA",
                "type": "color"
            },
            "500": {
                "value": "#68878D",
                "type": "color"
            },
            "600": {
                "value": "#546A6E",
                "type": "color"
            },
            "700": {
                "value": "#3F4D50",
                "type": "color"
            },
            "800": {
                "value": "#2B3435",
                "type": "color"
            },
            "900": {
                "value": "#1C2121",
                "type": "color"
            }
        }
    }
}

Palettes built on #618C94

Color Lab

Pairs with #618C94

UI roles & guardrails

In real applications

Scales

Every model

Export