What color is #104249?

#104249 is a very dark cyan. In RGB it is rgb(16, 66, 73), and in HSL hsl(187, 64%, 17%).

Is #104249 accessible as text?

On white, #104249 has a contrast ratio of 11.07:1 (passes WCAG AA for body text); on black it is 1.90:1 (fails). For text placed on #104249, use white for the best readability.

What is the closest Tailwind color to #104249?

The nearest Tailwind CSS token is teal-900 (#0B4F4A).

What colors go well with #104249?

#104249 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #471610. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #104249 below.

Is #104249 good for buttons?

#104249 works well for buttons and highlights, but use white text on #104249 — black text only reaches 1.90:1, below the 4.5:1 needed for normal-size labels.

Is #104249 the same as CSS darkslategray?

No — #104249 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#104249 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #104249

Not just a swatch — here's how #104249 works with other colors. Named schemes with #104249 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #104249 Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

Charcoal 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 #104249 Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Charcoal 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 #104249 Surface #14161A Highlight #F4F6F8 Secondary #596671 Accent #396269

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

Vintage Leather Lead · 5 colors

Lead #104249 Secondary #715117 Surface #E3DCC0 Accent #395143 Anchor #56233F

Charcoal 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 #104249 Secondary #556466 Support #979286 Ink #16140F

Charcoal 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 Charcoal carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #104249 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 35/100

Cool

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

Softness 35/100

Low

Middle-weight — neither delicate nor heavy.

Depth 62/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 4/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 35/100

Low

A faint retro warmth without tipping into sepia.

Luxury 66/100

High

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 20/100

Low

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

UI accent fit 42/100

Moderate

Workable accent with care around contrast.

Surface fit 46/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 86/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #104249

For UI

For branding

For interior

For fashion

People also use #104249 with

Hunter Green Navy Oxblood Platinum Dark Slate Gray

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 11.1:1. Use

Subtle surface Use #C1E4E8 for cards and hover fills. Tint 80

Avoid beside #102E47 — 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 #104249 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: #104249;
  --color-base-rgb: 16 66 73;
  --color-base-oklch: oklch(35.0% 0.052 208.5);
  --color-50: #F2FBFD;
  --color-100: #DDF5F8;
  --color-200: #BCEAF0;
  --color-300: #8ED7E1;
  --color-400: #64C2CE;
  --color-500: #42A6B3;
  --color-600: #397F89;
  --color-700: #2E5B61;
  --color-800: #213C40;
  --color-900: #162527;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  charcoal: {
    50: '#F2FBFD',
    100: '#DDF5F8',
    200: '#BCEAF0',
    300: '#8ED7E1',
    400: '#64C2CE',
    500: '#42A6B3',
    600: '#397F89',
    700: '#2E5B61',
    800: '#213C40',
    900: '#162527',
  },
}

$base: #104249;
$base-ink: #FFFFFF;
$base-50: #F2FBFD;
$base-100: #DDF5F8;
$base-200: #BCEAF0;
$base-300: #8ED7E1;
$base-400: #64C2CE;
$base-500: #42A6B3;
$base-600: #397F89;
$base-700: #2E5B61;
$base-800: #213C40;
$base-900: #162527;
$base-hover: #0C3439;
$base-subtle: #A1D7DE;

{
    "color": {
        "base": {
            "value": "#104249",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FBFD",
                "type": "color"
            },
            "100": {
                "value": "#DDF5F8",
                "type": "color"
            },
            "200": {
                "value": "#BCEAF0",
                "type": "color"
            },
            "300": {
                "value": "#8ED7E1",
                "type": "color"
            },
            "400": {
                "value": "#64C2CE",
                "type": "color"
            },
            "500": {
                "value": "#42A6B3",
                "type": "color"
            },
            "600": {
                "value": "#397F89",
                "type": "color"
            },
            "700": {
                "value": "#2E5B61",
                "type": "color"
            },
            "800": {
                "value": "#213C40",
                "type": "color"
            },
            "900": {
                "value": "#162527",
                "type": "color"
            }
        }
    }
}