Color #042649 Color / Colour Code #042649
This page shows the hex color code for color #042649 (#042649). The colour is a blue tone with 90% saturation and 15% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #042649 against common backgrounds.
Complementary Colors
#042649 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 180, 210, and 240 degrees for harmonious combinations.
Triadic Palette
Three colors at 210, 330, and 90 degrees.
Color Palettes Using #042649
Five shades at lightness levels 15% through 85% while keeping hue at 210 and saturation at 90%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 210 to 255 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 210 with its complement at 30 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 #042649
Lightness variations at hue 210 and 90% saturation.
CSS Gradients with #042649
Design Use Cases for #042649
High-Impact Accent
With 90% saturation, #042649 is highly vivid. Reserve this for elements that need maximum attention: primary action buttons, notification badges, error states, or promotional banners. Use sparingly alongside neutral tones to avoid visual fatigue.
Deep Accent & Text Color
#042649 at 15% 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
#042649 sits in the blue range (hue 210). 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 #042649 (hue 210) to its complement at hue 30. For a subtler effect, try pairing with an analogous color at hue 240. Use CSS: background: linear-gradient(135deg, #042649, #492604);
CSS Code for #042649
Similar Colors
Colors visually similar to #042649 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #042649 across image editing and color design tools.
About Color #042649 (#042649)
#042649 is a blue color (colour) with RGB channel values of 4 red, 38 green, and 73 blue. The blue channel is dominant by a ratio of 18.3:1 over the weakest channel. In HSL terms, the hue sits at 210 degrees with 90% saturation and 15% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #042649 is 32/255 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 95% cyan, 48% magenta, 0% yellow, and 71% key (black).
The WCAG contrast ratio of #042649 against white is 15.23:1 and against black is 1.38:1. 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 #492604 creates maximum visual tension when paired with #042649. For more harmonious color combinations, use the analogous colours #044949 and #040449, 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 #042649
- 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 #042649?
- #042649 is Color #042649, a blue color (colour) with RGB(4, 38, 73), HSL(210, 90%, 15%), and CMYK(95%, 48%, 0%, 71%). Its perceived brightness is 32/255.
- Is #042649 accessible for text?
- Against white, #042649 has a contrast ratio of 15.23:1 (passes AA for normal text). Against black, it has 1.38:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #042649?
- The complementary colour is #492604 (hue 30). For subtle color combinations, use analogous colours #044949 and #040449. The triadic palette adds #490426 and #264904 for vibrant variety.
- How do I use #042649 in CSS?
- Use any format: color: #042649; or rgb(4, 38, 73); or hsl(210, 90%, 15%). For CSS custom properties: --color-primary: 210 90% 15%; 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.