Color #404263 Color / Colour Code #404263
This page shows the hex color code for color #404263 (#404263). The colour is a blue tone with 21% saturation and 32% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #404263 against common backgrounds.
Complementary Colors
#404263 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 207, 237, and 267 degrees for harmonious combinations.
Triadic Palette
Three colors at 237, 357, and 117 degrees.
Color Palettes Using #404263
Five shades at lightness levels 15% through 85% while keeping hue at 237 and saturation at 21%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 237 to 282 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 237 with its complement at 57 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 #404263
Lightness variations at hue 237 and 21% saturation.
CSS Gradients with #404263
Design Use Cases for #404263
Muted Accent Color
With 21% saturation, #404263 has a subtle, sophisticated quality. This level of desaturation works well for secondary buttons, inactive states, subtle borders, and backgrounds that need a hint of color without being distracting. Muted colors communicate restraint and professionalism.
Primary Interface Color
At 32% lightness, #404263 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
#404263 sits in the blue range (hue 237). 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 #404263 (hue 237) to its complement at hue 57. For a subtler effect, try pairing with an analogous color at hue 267. Use CSS: background: linear-gradient(135deg, #404263, #636140);
CSS Code for #404263
Similar Colors
Colors visually similar to #404263 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #404263 across image editing and color design tools.
About Color #404263 (#404263)
#404263 is a blue color (colour) with RGB channel values of 64 red, 66 green, and 99 blue. The blue channel is dominant with a relatively balanced channel distribution. In HSL terms, the hue sits at 237 degrees with 21% saturation and 32% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #404263 is 69/255 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 35% cyan, 33% magenta, 0% yellow, and 61% key (black).
The WCAG contrast ratio of #404263 against white is 9.64:1 and against black is 2.18:1. 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 #636140 creates maximum visual tension when paired with #404263. For more harmonious color combinations, use the analogous colours #405363 and #504063, 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 #404263
- 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 #404263?
- #404263 is Color #404263, a blue color (colour) with RGB(64, 66, 99), HSL(237, 21%, 32%), and CMYK(35%, 33%, 0%, 61%). Its perceived brightness is 69/255.
- Is #404263 accessible for text?
- Against white, #404263 has a contrast ratio of 9.64:1 (passes AA for normal text). Against black, it has 2.18:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #404263?
- The complementary colour is #636140 (hue 57). For subtle color combinations, use analogous colours #405363 and #504063. The triadic palette adds #634042 and #426340 for vibrant variety.
- How do I use #404263 in CSS?
- Use any format: color: #404263; or rgb(64, 66, 99); or hsl(237, 21%, 32%). For CSS custom properties: --color-primary: 237 21% 32%; 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.