What color is #10636F?

#10636F is a dark, vivid cyan. In RGB it is rgb(16, 99, 111), and in HSL hsl(188, 75%, 25%).

Is #10636F accessible as text?

On white, #10636F has a contrast ratio of 6.92:1 (passes WCAG AA for body text); on black it is 3.04:1 (fails). For text placed on #10636F, use white for the best readability.

What is the closest Tailwind color to #10636F?

The nearest Tailwind CSS token is cyan-800 (#005F78).

What colors go well with #10636F?

#10636F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #701D10. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #10636F below.

Is #10636F good for buttons?

#10636F works well for buttons and highlights, but use white text on #10636F — black text only reaches 3.04:1, below the 4.5:1 needed for normal-size labels.

Is #10636F the same as CSS darkslategray?

No — #10636F is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#10636F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #10636F

Not just a swatch — here's how #10636F works with other colors. Named schemes with #10636F in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #10636F Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

Feldgrau 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 #10636F Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Feldgrau 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 #10636F Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #468590

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

Vintage Leather Lead · 5 colors

Lead #10636F Secondary #705117 Surface #E3DCC0 Accent #395143 Anchor #56233F

Feldgrau 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 #10636F Secondary #6F8589 Support #979286 Ink #16140F

Feldgrau 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 Feldgrau carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #10636F 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 29/100

Cool

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

Softness 42/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 53/100

Moderate

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

Naturalness 4/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 49/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 58/100

Moderate

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 77/100

High

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

Surface fit 32/100

Low

Usable as a tinted surface in measured doses.

Print safety 80/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #10636F

For UI

For branding

For interior

For fashion

People also use #10636F with

Sea Green Yale Blue Falu Red Platinum Dark Slate Gray

UI roles & guardrails

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

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 6.9:1. Use

Subtle surface Use #C4E8ED for cards and hover fills. Tint 80

Avoid beside #104370 — 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 #10636F 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: #10636F;
  --color-base-rgb: 16 99 111;
  --color-base-oklch: oklch(46.0% 0.075 210.1);
  --color-50: #F1FCFE;
  --color-100: #DAF6FB;
  --color-200: #B8EDF5;
  --color-300: #87DBE8;
  --color-400: #5BC7D7;
  --color-500: #38ABBC;
  --color-600: #328390;
  --color-700: #295E66;
  --color-800: #1E3E42;
  --color-900: #142629;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  feldgrau: {
    50: '#F1FCFE',
    100: '#DAF6FB',
    200: '#B8EDF5',
    300: '#87DBE8',
    400: '#5BC7D7',
    500: '#38ABBC',
    600: '#328390',
    700: '#295E66',
    800: '#1E3E42',
    900: '#142629',
  },
}

$base: #10636F;
$base-ink: #FFFFFF;
$base-50: #F1FCFE;
$base-100: #DAF6FB;
$base-200: #B8EDF5;
$base-300: #87DBE8;
$base-400: #5BC7D7;
$base-500: #38ABBC;
$base-600: #328390;
$base-700: #295E66;
$base-800: #1E3E42;
$base-900: #142629;
$base-hover: #0D4F59;
$base-subtle: #A5DEE6;

{
    "color": {
        "base": {
            "value": "#10636F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FCFE",
                "type": "color"
            },
            "100": {
                "value": "#DAF6FB",
                "type": "color"
            },
            "200": {
                "value": "#B8EDF5",
                "type": "color"
            },
            "300": {
                "value": "#87DBE8",
                "type": "color"
            },
            "400": {
                "value": "#5BC7D7",
                "type": "color"
            },
            "500": {
                "value": "#38ABBC",
                "type": "color"
            },
            "600": {
                "value": "#328390",
                "type": "color"
            },
            "700": {
                "value": "#295E66",
                "type": "color"
            },
            "800": {
                "value": "#1E3E42",
                "type": "color"
            },
            "900": {
                "value": "#142629",
                "type": "color"
            }
        }
    }
}

Palettes built on #10636F

Color Lab

Pairs with #10636F

UI roles & guardrails

In real applications

Scales

Every model

Export