Color #313CD3 Color / Colour Code #313CD3
This page shows the hex color code for color #313cd3 (#313CD3). The colour is a blue tone with 65% saturation and 51% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #313CD3 against common backgrounds.
Complementary Colors
#313CD3 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 206, 236, and 266 degrees for harmonious combinations.
Triadic Palette
Three colors at 236, 356, and 116 degrees.
Color Palettes Using #313CD3
Five shades at lightness levels 15% through 85% while keeping hue at 236 and saturation at 65%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 236 to 281 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 236 with its complement at 56 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 #313CD3
Lightness variations at hue 236 and 65% saturation.
CSS Gradients with #313CD3
Design Use Cases for #313CD3
Vibrant Brand Color
#313CD3 has a strong 65% saturation that makes it ideal for brand identity elements. Use it for logos, primary call-to-action buttons, hero section accents, and marketing materials where visual impact matters. This saturation level is eye-catching without being harsh.
Soft Accent & Highlight
With 51% lightness, #313CD3 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
#313CD3 sits in the blue range (hue 236). 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 #313CD3 (hue 236) to its complement at hue 56. For a subtler effect, try pairing with an analogous color at hue 266. Use CSS: background: linear-gradient(135deg, #313cd3, #d3c831);
CSS Code for #313CD3
Similar Colors
Colors visually similar to #313CD3 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #313CD3 across image editing and color design tools.
About Color #313CD3 (#313CD3)
#313CD3 is a blue color (colour) with RGB channel values of 49 red, 60 green, and 211 blue. The blue channel is dominant by a ratio of 4.3:1 over the weakest channel. In HSL terms, the hue sits at 236 degrees with 65% saturation and 51% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #313CD3 is 74/255 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 77% cyan, 72% magenta, 0% yellow, and 17% key (black).
The WCAG contrast ratio of #313CD3 against white is 7.73:1 and against black is 2.72:1. 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 #D3C831 creates maximum visual tension when paired with #313CD3. For more harmonious color combinations, use the analogous colours #318DD3 and #7731D3, 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 #313CD3
- 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 #313CD3?
- #313CD3 is Color #313CD3, a blue color (colour) with RGB(49, 60, 211), HSL(236, 65%, 51%), and CMYK(77%, 72%, 0%, 17%). Its perceived brightness is 74/255.
- Is #313CD3 accessible for text?
- Against white, #313CD3 has a contrast ratio of 7.73:1 (passes AA for normal text). Against black, it has 2.72:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #313CD3?
- The complementary colour is #D3C831 (hue 56). For subtle color combinations, use analogous colours #318DD3 and #7731D3. The triadic palette adds #D3313C and #3CD331 for vibrant variety.
- How do I use #313CD3 in CSS?
- Use any format: color: #313cd3; or rgb(49, 60, 211); or hsl(236, 65%, 51%). For CSS custom properties: --color-primary: 236 65% 51%; 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.