Color #604CBE Color / Colour Code #604CBE
This page shows the hex color code for color #604cbe (#604CBE). The colour is a blue tone with 47% saturation and 52% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #604CBE against common backgrounds.
Complementary Colors
#604CBE paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 221, 251, and 281 degrees for harmonious combinations.
Triadic Palette
Three colors at 251, 11, and 131 degrees.
Color Palettes Using #604CBE
Five shades at lightness levels 15% through 85% while keeping hue at 251 and saturation at 47%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 251 to 296 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 251 with its complement at 71 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 #604CBE
Lightness variations at hue 251 and 47% saturation.
CSS Gradients with #604CBE
Design Use Cases for #604CBE
Balanced UI Color
At 47% saturation, #604CBE 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.
Soft Accent & Highlight
With 52% lightness, #604CBE has a softer, more approachable quality. It works well for hover states, subtle highlights, progress indicators, and secondary UI elements. This lightness range is particularly effective for tag backgrounds and status indicators.
Trust & Professional Identity
#604CBE sits in the blue range (hue 251). 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 #604CBE (hue 251) to its complement at hue 71. For a subtler effect, try pairing with an analogous color at hue 281. Use CSS: background: linear-gradient(135deg, #604cbe, #a9be4b);
CSS Code for #604CBE
Similar Colors
Colors visually similar to #604CBE based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #604CBE across image editing and color design tools.
About Color #604CBE (#604CBE)
#604CBE is a blue color (colour) with RGB channel values of 96 red, 76 green, and 190 blue. The blue channel is dominant by a ratio of 2.5:1 over the weakest channel. In HSL terms, the hue sits at 251 degrees with 47% saturation and 52% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #604CBE is 95/255 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 49% cyan, 60% magenta, 0% yellow, and 25% key (black).
The WCAG contrast ratio of #604CBE against white is 6.41:1 and against black is 3.27:1. This meets the AA requirement (4.5:1) for normal text on white. For AAA compliance, consider darkening to at least 36% lightness.
The complementary colour #A9BE4B creates maximum visual tension when paired with #604CBE. For more harmonious color combinations, use the analogous colours #4B70BE and #9A4BBE, 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 #604CBE
- 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 #604CBE?
- #604CBE is Color #604CBE, a blue color (colour) with RGB(96, 76, 190), HSL(251, 47%, 52%), and CMYK(49%, 60%, 0%, 25%). Its perceived brightness is 95/255.
- Is #604CBE accessible for text?
- Against white, #604CBE has a contrast ratio of 6.41:1 (passes AA for normal text). Against black, it has 3.27:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #604CBE?
- The complementary colour is #A9BE4B (hue 71). For subtle color combinations, use analogous colours #4B70BE and #9A4BBE. The triadic palette adds #BE604B and #4BBE60 for vibrant variety.
- How do I use #604CBE in CSS?
- Use any format: color: #604cbe; or rgb(96, 76, 190); or hsl(251, 47%, 52%). For CSS custom properties: --color-primary: 251 47% 52%; 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.