Dark Blue Color / Colour Code #19404D
This page shows the hex color code for dark blue (#19404D). The colour is a blue tone with 51% saturation and 20% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #19404D against common backgrounds.
Complementary Colors
#19404D paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 165, 195, and 225 degrees for harmonious combinations.
Triadic Palette
Three colors at 195, 315, and 75 degrees.
Color Palettes Using #19404D
Five shades at lightness levels 15% through 85% while keeping hue at 195 and saturation at 51%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 195 to 240 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 195 with its complement at 15 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 #19404D
Lightness variations at hue 195 and 51% saturation.
CSS Gradients with #19404D
Design Use Cases for #19404D
Balanced UI Color
At 51% saturation, #19404D 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.
Deep Accent & Text Color
#19404D at 20% lightness is dark enough for readable body text on light backgrounds while retaining its blue character. Use for headings, emphasized text, or deep accent borders. It provides contrast without the harshness of pure black.
Trust & Professional Identity
#19404D sits in the blue range (hue 195). 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 #19404D (hue 195) to its complement at hue 15. For a subtler effect, try pairing with an analogous color at hue 225. Use CSS: background: linear-gradient(135deg, #19404d, #4d2619);
CSS Code for #19404D
Similar Colors
Colors visually similar to #19404D based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #19404D across image editing and color design tools.
About Dark Blue (#19404D)
#19404D is a blue color (colour) with RGB channel values of 25 red, 64 green, and 77 blue. The blue channel is dominant by a ratio of 3.1:1 over the weakest channel. In HSL terms, the hue sits at 195 degrees with 51% saturation and 20% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #19404D is 54/255 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 68% cyan, 17% magenta, 0% yellow, and 70% key (black).
The WCAG contrast ratio of #19404D against white is 11.16:1 and against black is 1.88:1. 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 #4D2619 creates maximum visual tension when paired with #19404D. For more harmonious color combinations, use the analogous colours #194D40 and #19264D, 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 #19404D
- 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 #19404D?
- #19404D is Dark Blue, a blue color (colour) with RGB(25, 64, 77), HSL(195, 51%, 20%), and CMYK(68%, 17%, 0%, 70%). Its perceived brightness is 54/255.
- Is #19404D accessible for text?
- Against white, #19404D has a contrast ratio of 11.16:1 (passes AA for normal text). Against black, it has 1.88:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #19404D?
- The complementary colour is #4D2619 (hue 15). For subtle color combinations, use analogous colours #194D40 and #19264D. The triadic palette adds #4D1940 and #404D19 for vibrant variety.
- How do I use #19404D in CSS?
- Use any format: color: #19404d; or rgb(25, 64, 77); or hsl(195, 51%, 20%). For CSS custom properties: --color-primary: 195 51% 20%; 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.