What color is #21869A?

#21869A is a dark cyan. In RGB it is rgb(33, 134, 154), and in HSL hsl(190, 65%, 37%).

Is #21869A accessible as text?

On white, #21869A has a contrast ratio of 4.25:1 (fails WCAG AA for body text); on black it is 4.94:1 (passes). For text placed on #21869A, use black for the best readability.

What is the closest Tailwind color to #21869A?

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

What colors go well with #21869A?

#21869A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #9C3521. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #21869A below.

Is #21869A good for buttons?

#21869A works well for buttons and highlights, but use black text on #21869A — white text only reaches 4.25:1, below the 4.5:1 needed for normal-size labels.

Is #21869A the same as CSS darkcyan?

No — #21869A is not the CSS named color darkcyan, but darkcyan (#008B8B) is the closest CSS named color.

#21869A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #21869A

Not just a swatch — here's how #21869A works with other colors. Named schemes with #21869A in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #21869A Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1E3549

Dark Cyan 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 #21869A Secondary #AEB4B8 Surface #F1F2F0 Support #7B94A5 Anchor #2E3236

Dark Cyan 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 #21869A Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #59AABC

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 #21869A Secondary #705116 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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #21869A Secondary #8CA8AF Support #969386 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.

Build a working theme in the generator →

Color Lab

How #21869A 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 49/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 42/100

Moderate

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

Naturalness 3/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 57/100

Moderate

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

Luxury 49/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 25/100

Low

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

UI accent fit 88/100

Very high

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

Surface fit 31/100

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 #21869A

For UI

For branding

For interior

For fashion

People also use #21869A with

Medium Sea Green Cobalt Blue Chestnut Platinum Dark Slate Gray

UI roles & guardrails

Primary action Too mid-tone for a filled button — darken for the fill. AA Large

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 4.4:1. Use

Subtle surface Use #D0E9EE for cards and hover fills. Tint 80

Avoid beside #215E9C — 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 #21869A at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #21869A;
  --color-base-rgb: 33 134 154;
  --color-base-oklch: oklch(57.4% 0.092 214.5);
  --color-50: #F2FBFD;
  --color-100: #DDF4F9;
  --color-200: #BCE8F1;
  --color-300: #8ED4E2;
  --color-400: #63BDCF;
  --color-500: #41A1B4;
  --color-600: #387C89;
  --color-700: #2D5962;
  --color-800: #213B40;
  --color-900: #162427;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  dark-cyan: {
    50: '#F2FBFD',
    100: '#DDF4F9',
    200: '#BCE8F1',
    300: '#8ED4E2',
    400: '#63BDCF',
    500: '#41A1B4',
    600: '#387C89',
    700: '#2D5962',
    800: '#213B40',
    900: '#162427',
  },
}

$base: #21869A;
$base-ink: #141310;
$base-50: #F2FBFD;
$base-100: #DDF4F9;
$base-200: #BCE8F1;
$base-300: #8ED4E2;
$base-400: #63BDCF;
$base-500: #41A1B4;
$base-600: #387C89;
$base-700: #2D5962;
$base-800: #213B40;
$base-900: #162427;
$base-hover: #1A6C7D;
$base-subtle: #B7DFE7;

{
    "color": {
        "base": {
            "value": "#21869A",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FBFD",
                "type": "color"
            },
            "100": {
                "value": "#DDF4F9",
                "type": "color"
            },
            "200": {
                "value": "#BCE8F1",
                "type": "color"
            },
            "300": {
                "value": "#8ED4E2",
                "type": "color"
            },
            "400": {
                "value": "#63BDCF",
                "type": "color"
            },
            "500": {
                "value": "#41A1B4",
                "type": "color"
            },
            "600": {
                "value": "#387C89",
                "type": "color"
            },
            "700": {
                "value": "#2D5962",
                "type": "color"
            },
            "800": {
                "value": "#213B40",
                "type": "color"
            },
            "900": {
                "value": "#162427",
                "type": "color"
            }
        }
    }
}

Palettes built on #21869A

Color Lab

Pairs with #21869A

UI roles & guardrails

In real applications

Scales

Every model

Export