Color #13182A Color / Colour Code #13182A
This page shows the hex color code for color #13182a (#13182A). The colour is a blue tone with 38% saturation and 12% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #13182A against common backgrounds.
Complementary Colors
#13182A paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 197, 227, and 257 degrees for harmonious combinations.
Triadic Palette
Three colors at 227, 347, and 107 degrees.
Color Palettes Using #13182A
Five shades at lightness levels 15% through 85% while keeping hue at 227 and saturation at 38%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 227 to 272 degrees create a warm, unified palette. This analogous scheme works for marketing materials, seasonal campaigns, and any design that needs visual warmth without clashing colors.
Combines the base color at hue 227 with its complement at 47 and two adjacent cool tones. This split-complementary approach provides strong visual contrast while remaining more balanced than a pure complementary scheme.
Five evenly spaced hues at 40% saturation and 80% lightness. Pastels are gentle on the eyes and work well for dashboards, onboarding screens, category tags, and any interface where multiple distinct colors are needed without visual aggression.
Shades & Tints of #13182A
Lightness variations at hue 227 and 38% saturation.
CSS Gradients with #13182A
Design Use Cases for #13182A
Balanced UI Color
At 38% saturation, #13182A strikes a balance between vibrancy and restraint. This makes it versatile for primary UI elements like navigation bars, card headers, and form accents. It draws attention without overwhelming adjacent content.
Dark Mode Background
At just 12% lightness, #13182A works as a dark mode background or overlay color. Dark backgrounds reduce eye strain in low-light environments and make bright accent colors pop. Pair with light text (minimum 4.5:1 contrast ratio) for readability.
Trust & Professional Identity
#13182A sits in the blue range (hue 227). Blue is the world's most popular color for corporate identities because it conveys trust, stability, and competence. Use it for navigation bars, link text, form focus states, and any element where user confidence matters. Financial, healthcare, and technology brands rely heavily on this hue range.
Gradient Pairing
Create a gradient from #13182A (hue 227) to its complement at hue 47. For a subtler effect, try pairing with an analogous color at hue 257. Use CSS: background: linear-gradient(135deg, #13182a, #2a2513);
CSS Code for #13182A
Similar Colors
Colors visually similar to #13182A based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #13182A across image editing and color design tools.
About Color #13182A (#13182A)
#13182A is a blue color (colour) with RGB channel values of 19 red, 24 green, and 42 blue. The blue channel is dominant by a ratio of 2.2:1 over the weakest channel. In HSL terms, the hue sits at 227 degrees with 38% saturation and 12% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #13182A is 25/255 using the ITU-R BT.601 luma formula (0.299R + 0.587G + 0.114B). This appears dark to the human eye, so pair it with light text for adequate readability. For print production, the CMYK equivalent is 55% cyan, 43% magenta, 0% yellow, and 84% key (black).
The WCAG contrast ratio of #13182A against white is 17.62:1 and against black is 1.19:1. This exceeds the AAA requirement (7:1) for normal text on white, making it excellent for body text and small UI labels on light backgrounds.
The complementary colour #2A2513 creates maximum visual tension when paired with #13182A. For more harmonious color combinations, use the analogous colours #13242A and #1A132A, which sit 30 degrees on either side of the hue wheel. To build a complete design system, start with the monochromatic scale above for consistent shade variations, then add one complementary or triadic accent for interactive elements.
How to Explore Color #13182A
- Enter your color value in HEX format.
- The tool converts it to RGB, HSL, CMYK format in real time.
- Copy the converted value to your clipboard.
What is HEX to RGB, HSL, CMYK color conversion
Converting from HEX to RGB, HSL, CMYK translates a color value between two different color models. Different color models are used in web design (HEX, RGB), print (CMYK), and color theory (HSL, HSV).
Related Tools & Colors
Frequently Asked Questions
- What color / colour is #13182A?
- #13182A is Color #13182A, a blue color (colour) with RGB(19, 24, 42), HSL(227, 38%, 12%), and CMYK(55%, 43%, 0%, 84%). Its perceived brightness is 25/255.
- Is #13182A accessible for text?
- Against white, #13182A has a contrast ratio of 17.62:1 (passes AA for normal text). Against black, it has 1.19:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #13182A?
- The complementary colour is #2A2513 (hue 47). For subtle color combinations, use analogous colours #13242A and #1A132A. The triadic palette adds #2A1318 and #182A13 for vibrant variety.
- How do I use #13182A in CSS?
- Use any format: color: #13182a; or rgb(19, 24, 42); or hsl(227, 38%, 12%). For CSS custom properties: --color-primary: 227 38% 12%; then use it as hsl(var(--color-primary)).
- Is this color / colour explorer free?
- Yes, completely free with no signup required. All colour calculations run in your browser. You can explore any valid hex color code, not just the pre-generated palette.