Color #ECEEF9 Color / Colour Code #ECEEF9
This page shows the hex color code for color #eceef9 (#ECEEF9). The colour is a blue tone with 52% saturation and 95% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #ECEEF9 against common backgrounds.
Complementary Colors
#ECEEF9 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 201, 231, and 261 degrees for harmonious combinations.
Triadic Palette
Three colors at 231, 351, and 111 degrees.
Color Palettes Using #ECEEF9
Five shades at lightness levels 15% through 85% while keeping hue at 231 and saturation at 52%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 231 to 276 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 231 with its complement at 51 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 #ECEEF9
Lightness variations at hue 231 and 52% saturation.
CSS Gradients with #ECEEF9
Design Use Cases for #ECEEF9
Balanced UI Color
At 52% saturation, #ECEEF9 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.
Near-White Background
At 95% lightness, #ECEEF9 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
#ECEEF9 sits in the blue range (hue 231). 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 #ECEEF9 (hue 231) to its complement at hue 51. For a subtler effect, try pairing with an analogous color at hue 261. Use CSS: background: linear-gradient(135deg, #eceef9, #f9f7ec);
CSS Code for #ECEEF9
Similar Colors
Colors visually similar to #ECEEF9 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #ECEEF9 across image editing and color design tools.
About Color #ECEEF9 (#ECEEF9)
#ECEEF9 is a blue color (colour) with RGB channel values of 236 red, 238 green, and 249 blue. The blue channel is dominant with a relatively balanced channel distribution. In HSL terms, the hue sits at 231 degrees with 52% saturation and 95% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #ECEEF9 is 239/255 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 5% cyan, 4% magenta, 0% yellow, and 2% key (black).
The WCAG contrast ratio of #ECEEF9 against white is 1.16:1 and against black is 18.16:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 18.16:1, or use it exclusively for decorative purposes.
The complementary colour #F9F7EC creates maximum visual tension when paired with #ECEEF9. For more harmonious color combinations, use the analogous colours #ECF4F9 and #F0ECF9, 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 #ECEEF9
- 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 #ECEEF9?
- #ECEEF9 is Color #ECEEF9, a blue color (colour) with RGB(236, 238, 249), HSL(231, 52%, 95%), and CMYK(5%, 4%, 0%, 2%). Its perceived brightness is 239/255.
- Is #ECEEF9 accessible for text?
- Against white, #ECEEF9 has a contrast ratio of 1.16:1 (fails AA for normal text). Against black, it has 18.16:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #ECEEF9?
- The complementary colour is #F9F7EC (hue 51). For subtle color combinations, use analogous colours #ECF4F9 and #F0ECF9. The triadic palette adds #F9ECEE and #EEF9EC for vibrant variety.
- How do I use #ECEEF9 in CSS?
- Use any format: color: #eceef9; or rgb(236, 238, 249); or hsl(231, 52%, 95%). For CSS custom properties: --color-primary: 231 52% 95%; 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.