What color is #0A2530?

#0A2530 is a very dark cyan-blue. In RGB it is rgb(10, 37, 48), and in HSL hsl(197, 66%, 11%).

Is #0A2530 accessible as text?

On white, #0A2530 has a contrast ratio of 15.91:1 (passes WCAG AA for body text); on black it is 1.32:1 (fails). For text placed on #0A2530, use white for the best readability.

What is the closest Tailwind color to #0A2530?

The nearest Tailwind CSS token is mist-800 (#22292B).

What colors go well with #0A2530?

#0A2530 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #2F140A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #0A2530 below.

Is #0A2530 good for buttons?

#0A2530 works well for buttons and highlights, but use white text on #0A2530 — black text only reaches 1.32:1, below the 4.5:1 needed for normal-size labels.

Is #0A2530 the same as CSS midnightblue?

No — #0A2530 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#0A2530 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0A2530

Not just a swatch — here's how #0A2530 works with other colors. Named schemes with #0A2530 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #0A2530 Accent #A6C4BF Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Graphite 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 #0A2530 Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A6 Anchor #2E3236

Graphite 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 #0A2530 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #2C434E

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

Vintage Leather Lead · 5 colors

Lead #0A2530 Secondary #6F5216 Surface #E2DCC0 Accent #385244 Anchor #56233D

Graphite 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 #0A2530 Secondary #3E464B Support #969386 Ink #16140F

Graphite 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 Graphite carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #0A2530 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 39/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 26/100

Low

Firm and assertive — carries weight and contrast.

Depth 71/100

High

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 24/100

Low

Clean and current — no dusty, aged cast.

Luxury 72/100

High

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

Brand distinctiveness 15/100

Very low

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

UI accent fit 17/100

Very low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 57/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 90/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #0A2530

For UI

For branding

For interior

For fashion

People also use #0A2530 with

Brunswick Green Graphite Platinum Charcoal

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 15.9:1. Use

Subtle surface Use #BCDBE7 for cards and hover fills. Tint 80

Avoid beside #0A182F — 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 #0A2530 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: #0A2530;
  --color-base-rgb: 10 37 48;
  --color-base-oklch: oklch(25.0% 0.038 228.2);
  --color-50: #F2FAFD;
  --color-100: #DCF1F9;
  --color-200: #BBE2F1;
  --color-300: #8DCAE2;
  --color-400: #62B1D0;
  --color-500: #4094B5;
  --color-600: #38738A;
  --color-700: #2D5362;
  --color-800: #213740;
  --color-900: #162228;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F2FAFD',
    100: '#DCF1F9',
    200: '#BBE2F1',
    300: '#8DCAE2',
    400: '#62B1D0',
    500: '#4094B5',
    600: '#38738A',
    700: '#2D5362',
    800: '#213740',
    900: '#162228',
  },
}

$base: #0A2530;
$base-ink: #FFFFFF;
$base-50: #F2FAFD;
$base-100: #DCF1F9;
$base-200: #BBE2F1;
$base-300: #8DCAE2;
$base-400: #62B1D0;
$base-500: #4094B5;
$base-600: #38738A;
$base-700: #2D5362;
$base-800: #213740;
$base-900: #162228;
$base-hover: #081D25;
$base-subtle: #99CADD;

{
    "color": {
        "base": {
            "value": "#0A2530",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FAFD",
                "type": "color"
            },
            "100": {
                "value": "#DCF1F9",
                "type": "color"
            },
            "200": {
                "value": "#BBE2F1",
                "type": "color"
            },
            "300": {
                "value": "#8DCAE2",
                "type": "color"
            },
            "400": {
                "value": "#62B1D0",
                "type": "color"
            },
            "500": {
                "value": "#4094B5",
                "type": "color"
            },
            "600": {
                "value": "#38738A",
                "type": "color"
            },
            "700": {
                "value": "#2D5362",
                "type": "color"
            },
            "800": {
                "value": "#213740",
                "type": "color"
            },
            "900": {
                "value": "#162228",
                "type": "color"
            }
        }
    }
}

Palettes built on #0A2530

Color Lab

Pairs with #0A2530

UI roles & guardrails

In real applications

Scales

Every model

Export