What color is #1C1237?

#1C1237 is a very dark indigo. In RGB it is rgb(28, 18, 55), and in HSL hsl(256, 51%, 14%).

Is #1C1237 accessible as text?

On white, #1C1237 has a contrast ratio of 17.63:1 (passes WCAG AA for body text); on black it is 1.19:1 (fails). For text placed on #1C1237, use white for the best readability.

What is the closest Tailwind color to #1C1237?

The nearest Tailwind CSS token is indigo-950 (#1E1A4D).

What colors go well with #1C1237?

#1C1237 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #2C3611. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #1C1237 below.

Is #1C1237 good for buttons?

#1C1237 works well for buttons and highlights, but use white text on #1C1237 — black text only reaches 1.19:1, below the 4.5:1 needed for normal-size labels.

Is #1C1237 the same as CSS midnightblue?

No — #1C1237 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#1C1237 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #1C1237

Not just a swatch — here's how #1C1237 works with other colors. Named schemes with #1C1237 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #1C1237 Accent #A5C4C3 Surface #E9D6BF Secondary #9AA0A1 Anchor #22334A

Russian Violet 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 #1C1237 Secondary #AFB4B8 Surface #F1F2F0 Support #7F92A7 Anchor #2E3236

Russian Violet keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Vintage Leather Lead · 5 colors

Lead #1C1237 Secondary #7E4632 Surface #EDD8C2 Accent #355248 Anchor #582237

Russian Violet plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Luxury Packaging Feature · 5 colors

Feature #1C1237 Anchor #141210 Accent #DA9856 Secondary #292732 Surface #F3ECE3

Russian Violet carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #1C1237 Secondary #3D3B49 Support #9D9088 Ink #18140F

Russian Violet 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 Russian Violet carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #1C1237 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 40/100

Neutral

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

Softness 22/100

Low

Firm and assertive — carries weight and contrast.

Depth 76/100

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 32/100

Low

A faint retro warmth without tipping into sepia.

Luxury 78/100

High

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

Brand distinctiveness 27/100

Low

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

UI accent fit 15/100

Very low

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

Surface fit 50/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 91/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #1C1237

For UI

For branding

For interior

For fashion

People also use #1C1237 with

Prussian Blue Deep Purple Sacramento Green Gainsboro Russian Violet

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 17.6:1. Use

Subtle surface Use #CCC3E3 for cards and hover fills. Tint 80

Avoid beside #271136 — 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 #1C1237 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: #1C1237;
  --color-base-rgb: 28 18 55;
  --color-base-oklch: oklch(21.9% 0.069 292.2);
  --color-50: #F5F3FC;
  --color-100: #E5E0F6;
  --color-200: #CDC1EB;
  --color-300: #A897D9;
  --color-400: #856FC3;
  --color-500: #654EA7;
  --color-600: #524181;
  --color-700: #3E335C;
  --color-800: #2B243D;
  --color-900: #1B1826;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  russian-violet: {
    50: '#F5F3FC',
    100: '#E5E0F6',
    200: '#CDC1EB',
    300: '#A897D9',
    400: '#856FC3',
    500: '#654EA7',
    600: '#524181',
    700: '#3E335C',
    800: '#2B243D',
    900: '#1B1826',
  },
}

$base: #1C1237;
$base-ink: #FFFFFF;
$base-50: #F5F3FC;
$base-100: #E5E0F6;
$base-200: #CDC1EB;
$base-300: #A897D9;
$base-400: #856FC3;
$base-500: #654EA7;
$base-600: #524181;
$base-700: #3E335C;
$base-800: #2B243D;
$base-900: #1B1826;
$base-hover: #160E2B;
$base-subtle: #B1A4D7;

{
    "color": {
        "base": {
            "value": "#1C1237",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F3FC",
                "type": "color"
            },
            "100": {
                "value": "#E5E0F6",
                "type": "color"
            },
            "200": {
                "value": "#CDC1EB",
                "type": "color"
            },
            "300": {
                "value": "#A897D9",
                "type": "color"
            },
            "400": {
                "value": "#856FC3",
                "type": "color"
            },
            "500": {
                "value": "#654EA7",
                "type": "color"
            },
            "600": {
                "value": "#524181",
                "type": "color"
            },
            "700": {
                "value": "#3E335C",
                "type": "color"
            },
            "800": {
                "value": "#2B243D",
                "type": "color"
            },
            "900": {
                "value": "#1B1826",
                "type": "color"
            }
        }
    }
}