What color is #228F9E?

#228F9E is a dark cyan. In RGB it is rgb(34, 143, 158), and in HSL hsl(187, 65%, 38%).

Is #228F9E accessible as text?

On white, #228F9E has a contrast ratio of 3.82:1 (fails WCAG AA for body text); on black it is 5.49:1 (passes). For text placed on #228F9E, use black for the best readability.

What is the closest Tailwind color to #228F9E?

The nearest Tailwind CSS token is cyan-600 (#0092B8).

What colors go well with #228F9E?

#228F9E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A03122. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #228F9E below.

Is #228F9E good for buttons?

#228F9E works well for buttons and highlights, but use black text on #228F9E — white text only reaches 3.82:1, below the 4.5:1 needed for normal-size labels.

Is #228F9E the same as CSS darkcyan?

No — #228F9E is not the CSS named color darkcyan, but darkcyan (#008B8B) is the closest CSS named color.

#228F9E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #228F9E

Not just a swatch — here's how #228F9E works with other colors. Named schemes with #228F9E in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #228F9E Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

Dark Cyan 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 #228F9E Surface #14161A Highlight #F4F6F8 Secondary #596671 Accent #5DB3C1

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

Vintage Leather Lead · 5 colors

Lead #228F9E Secondary #715117 Surface #E3DCC0 Accent #395143 Anchor #56233F

Dark Cyan 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 #228F9E Surface #EFE8D6 Anchor #582249 Accent #E3C2CE Secondary #322B30

Dark Cyan 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 #228F9E Secondary #93B1B6 Support #979286 Ink #16140F

Dark Cyan 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 Dark Cyan carrying the quiet middle.

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Color Lab

How #228F9E 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 51/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 40/100

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 55/100

Moderate

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

Luxury 47/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 26/100

Low

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

UI accent fit 85/100

Very high

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

Surface fit 33/100

Low

Usable as a tinted surface in measured doses.

Print safety 75/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #228F9E

For UI

For branding

For interior

For fashion

People also use #228F9E with

Emerald Green Cobalt Blue Firebrick 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 4.9:1. Use

Subtle surface Use #D1EBEE for cards and hover fills. Tint 80

Avoid beside #2267A0 — 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 #228F9E at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #228F9E;
  --color-base-rgb: 34 143 158;
  --color-base-oklch: oklch(59.8% 0.095 208.9);
  --color-50: #F2FCFD;
  --color-100: #DDF5F9;
  --color-200: #BCEAF1;
  --color-300: #8ED8E2;
  --color-400: #63C2CF;
  --color-500: #41A6B4;
  --color-600: #388089;
  --color-700: #2D5C62;
  --color-800: #213C40;
  --color-900: #162527;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  dark-cyan: {
    50: '#F2FCFD',
    100: '#DDF5F9',
    200: '#BCEAF1',
    300: '#8ED8E2',
    400: '#63C2CF',
    500: '#41A6B4',
    600: '#388089',
    700: '#2D5C62',
    800: '#213C40',
    900: '#162527',
  },
}

$base: #228F9E;
$base-ink: #141310;
$base-50: #F2FCFD;
$base-100: #DDF5F9;
$base-200: #BCEAF1;
$base-300: #8ED8E2;
$base-400: #63C2CF;
$base-500: #41A6B4;
$base-600: #388089;
$base-700: #2D5C62;
$base-800: #213C40;
$base-900: #162527;
$base-hover: #1B7480;
$base-subtle: #B8E2E7;

{
    "color": {
        "base": {
            "value": "#228F9E",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FCFD",
                "type": "color"
            },
            "100": {
                "value": "#DDF5F9",
                "type": "color"
            },
            "200": {
                "value": "#BCEAF1",
                "type": "color"
            },
            "300": {
                "value": "#8ED8E2",
                "type": "color"
            },
            "400": {
                "value": "#63C2CF",
                "type": "color"
            },
            "500": {
                "value": "#41A6B4",
                "type": "color"
            },
            "600": {
                "value": "#388089",
                "type": "color"
            },
            "700": {
                "value": "#2D5C62",
                "type": "color"
            },
            "800": {
                "value": "#213C40",
                "type": "color"
            },
            "900": {
                "value": "#162527",
                "type": "color"
            }
        }
    }
}

Palettes built on #228F9E

Color Lab

Pairs with #228F9E

UI roles & guardrails

In real applications

Scales

Every model

Export