Color #343D64 Color / Colour Code #343D64
This page shows the hex color code for color #343d64 (#343D64). The colour is a blue tone with 32% saturation and 30% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #343D64 against common backgrounds.
Complementary Colors
#343D64 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 199, 229, and 259 degrees for harmonious combinations.
Triadic Palette
Three colors at 229, 349, and 109 degrees.
Color Palettes Using #343D64
Five shades at lightness levels 15% through 85% while keeping hue at 229 and saturation at 32%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 229 to 274 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 229 with its complement at 49 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 #343D64
Lightness variations at hue 229 and 32% saturation.
CSS Gradients with #343D64
Design Use Cases for #343D64
Balanced UI Color
At 32% saturation, #343D64 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.
Primary Interface Color
At 30% lightness, #343D64 is in the mid-range, making it ideal for interactive elements like buttons, links, and selected states. This lightness level ensures good contrast against both light and dark adjacent elements in most layouts.
Trust & Professional Identity
#343D64 sits in the blue range (hue 229). 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 #343D64 (hue 229) to its complement at hue 49. For a subtler effect, try pairing with an analogous color at hue 259. Use CSS: background: linear-gradient(135deg, #343d64, #655c34);
CSS Code for #343D64
Similar Colors
Colors visually similar to #343D64 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #343D64 across image editing and color design tools.
About Color #343D64 (#343D64)
#343D64 is a blue color (colour) with RGB channel values of 52 red, 61 green, and 100 blue. The blue channel is dominant with a relatively balanced channel distribution. In HSL terms, the hue sits at 229 degrees with 32% saturation and 30% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #343D64 is 63/255 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 48% cyan, 39% magenta, 0% yellow, and 61% key (black).
The WCAG contrast ratio of #343D64 against white is 10.51:1 and against black is 2.00:1. 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 #655C34 creates maximum visual tension when paired with #343D64. For more harmonious color combinations, use the analogous colours #345565 and #443465, 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 #343D64
- 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 #343D64?
- #343D64 is Color #343D64, a blue color (colour) with RGB(52, 61, 100), HSL(229, 32%, 30%), and CMYK(48%, 39%, 0%, 61%). Its perceived brightness is 63/255.
- Is #343D64 accessible for text?
- Against white, #343D64 has a contrast ratio of 10.51:1 (passes AA for normal text). Against black, it has 2.00:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #343D64?
- The complementary colour is #655C34 (hue 49). For subtle color combinations, use analogous colours #345565 and #443465. The triadic palette adds #65343D and #3D6534 for vibrant variety.
- How do I use #343D64 in CSS?
- Use any format: color: #343d64; or rgb(52, 61, 100); or hsl(229, 32%, 30%). For CSS custom properties: --color-primary: 229 32% 30%; 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.