Color #EFF8FF Color / Colour Code #EFF8FF
This page shows the hex color code for color #eff8ff (#EFF8FF). The colour is a blue tone with 100% saturation and 97% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #EFF8FF against common backgrounds.
Complementary Colors
#EFF8FF paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 176, 206, and 236 degrees for harmonious combinations.
Triadic Palette
Three colors at 206, 326, and 86 degrees.
Color Palettes Using #EFF8FF
Five shades at lightness levels 15% through 85% while keeping hue at 206 and saturation at 100%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 206 to 251 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 206 with its complement at 26 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 #EFF8FF
Lightness variations at hue 206 and 100% saturation.
CSS Gradients with #EFF8FF
Design Use Cases for #EFF8FF
High-Impact Accent
With 100% saturation, #EFF8FF 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.
Near-White Background
At 97% lightness, #EFF8FF is very close to white but carries a subtle blue tint. This is perfect for alternating row backgrounds in tables, subtle section differentiation, and adding warmth or coolness to an otherwise stark white design.
Trust & Professional Identity
#EFF8FF sits in the blue range (hue 206). 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 #EFF8FF (hue 206) to its complement at hue 26. For a subtler effect, try pairing with an analogous color at hue 236. Use CSS: background: linear-gradient(135deg, #eff8ff, #fff6f0);
CSS Code for #EFF8FF
Similar Colors
Colors visually similar to #EFF8FF based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #EFF8FF across image editing and color design tools.
About Color #EFF8FF (#EFF8FF)
#EFF8FF is a blue color (colour) with RGB channel values of 239 red, 248 green, and 255 blue. The blue channel is dominant with a relatively balanced channel distribution. In HSL terms, the hue sits at 206 degrees with 100% saturation and 97% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #EFF8FF is 246/255 using the ITU-R BT.601 luma formula (0.299R + 0.587G + 0.114B). This means it appears bright to the human eye and is best paired with dark text for readability. For print production, the CMYK equivalent is 6% cyan, 3% magenta, 0% yellow, and 0% key (black).
The WCAG contrast ratio of #EFF8FF against white is 1.07:1 and against black is 19.54:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 19.54:1, or use it exclusively for decorative purposes.
The complementary colour #FFF6F0 creates maximum visual tension when paired with #EFF8FF. For more harmonious color combinations, use the analogous colours #F0FFFE and #F0F1FF, 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 #EFF8FF
- 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 #EFF8FF?
- #EFF8FF is Color #EFF8FF, a blue color (colour) with RGB(239, 248, 255), HSL(206, 100%, 97%), and CMYK(6%, 3%, 0%, 0%). Its perceived brightness is 246/255.
- Is #EFF8FF accessible for text?
- Against white, #EFF8FF has a contrast ratio of 1.07:1 (fails AA for normal text). Against black, it has 19.54:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #EFF8FF?
- The complementary colour is #FFF6F0 (hue 26). For subtle color combinations, use analogous colours #F0FFFE and #F0F1FF. The triadic palette adds #FFF0F8 and #F8FFF0 for vibrant variety.
- How do I use #EFF8FF in CSS?
- Use any format: color: #eff8ff; or rgb(239, 248, 255); or hsl(206, 100%, 97%). For CSS custom properties: --color-primary: 206 100% 97%; 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.