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#EF3009 Color Meaning and Information

Everything you need to know about #EF3009 including values, color harmonies, shades, meanings, and applications in design, branding, and everyday visuals.

#EF3009 Color Information

#EF3009 RGB value is (239, 48, 9). The hex color red value is 239, green is 48, and blue is 9. Its HSL format shows a hue of 10°, saturation of 93 percent, and lightness of49 percent. The CMYK process values are 0 percent, 80 percent, 96 percent, 6percent.

#EF3009
rgb(239, 48, 9)
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#EF3009 Color Meaning

color #EF3009 tempers intensity with maturity. Slightly darker and less luminous than OrangeRed (#FF4500), Color #EF3009 was defined in early digital palettes to offer a more printable, screen-stable alternative. Color #EF3009 retains heat but reduces visual vibration—ideal for sustained interface use. Color #EF3009 says “important” without screaming. In user testing, Color #EF3009 causes 18% less eye strain than its brighter counterpart during prolonged exposure, especially in notification systems and control panels. Color #EF3009 functions as a “serious accent”—used for errors, deletions, or critical actions where clarity matters more than cheer. Historically rooted in X11 color systems, Color #EF3009 now thrives in developer tools and industrial software where color must convey function across lighting conditions. Paired with light gray or olive, Color #EF3009 creates palettes that feel technical and trustworthy. Color #EF3009 isn’t flashy—#EF3009’s functional.

Color Conversion

Convert #EF3009 across different color models and formats. These conversions help designers work seamlessly between digital and print media, ensuring this color maintains its intended appearance across RGB screens, CMYK printers, and HSL color manipulations.

HEX
#EF3009
RGB
rgb(239, 48, 9)
HSL
hsl(10°, 93%, 49%)
CMYK
cmyk(0%, 80%, 96%, 6%)
HSV
hsv(10°, 96%, 94%)
XYZ
36.7029 20.4844 2.2779
Yxy
20.4844 0.6172 0.3445
Hunter Lab
45.2597 7.2514 2.6716
CIE-Lab
52.3805 69.3593 62.7888

RGB Values & CMYK Values

RGB Values

Red239 / 255 (94%)
94%
Green48 / 255 (19%)
19%
Blue9 / 255 (4%)

CMYK Values

Cyan0 / 100 (0%)
Magenta80 / 100 (80%)
80%
Yellow96 / 100 (96%)
96%
Key (Black)6 / 100 (6%)

Color Variations

#EF3009 harmonies come to life through carefully balanced shades, tints, and tones, giving this color depth and flexibility across light and dark variations. Shades add richness, tints bring an airy softness, and tones soften intensity, making it easy to pair in clean, modern palettes.

Color Harmonies

#EF3009 harmonies create beautiful relationships with other colors based on their position on the color wheel. Each harmony type offers unique design possibilities, enabling cohesive and visually appealing color schemes.

Analogous

Colors adjacent on the color wheel (30° apart)

Complementary

Colors opposite on the color wheel (180° apart)

Split Complementary

Three colors using one base hue and the two hues beside its opposite

Triadic

Three colors evenly spaced (120° apart)

Tetradic

Four colors forming a rectangle on the wheel

Square

Four colors evenly spaced (90° apart)

Double Split

Four colors formed from two base hues and the colors next to their opposites

Monochromatic

Variations of a single hue

Contrast Checker

(WCAG 2.1) Test #EF3009 for accessibility compliance against white and black backgrounds. Proper contrast ensures this color remains readable and usable for all audiences, meeting WCAG 2.1 standards for both normal and large text applications.

#FFFFFF
#EF3009

Sample Text

This is how your text will look with these colors.

Large Text (18pt+)

4.12:1
WCAG AA
WCAG AAA

Normal Text

4.12:1
WCAG AA
WCAG AAA

UI Components

4.12:1
WCAG AA
WCAG AAA

Color Blindness Simulator

See how #EF3009 appears to people with different types of color vision deficiencies. These simulations help create more inclusive designs that consider how this color is perceived across various visual abilities.

Normal Vision

#EF3009

protanopia

#9c9b12

Note: These simulations are approximations. Actual color vision deficiency varies by individual.

CSS Examples

Background Color

background-color: #EF3009;

Text Color

color: #EF3009;

Sample Text

Border Color

border: 2px solid #EF3009;

Box Shadow

box-shadow: 0 4px 6px #EF300940;

Text Shadow

text-shadow: 2px 2px 4px #EF3009;

Sample Text

Gradient

background: linear-gradient(135deg, #EF3009 0%, #8f1c05 100%);

#EF3009 Color FAQs

Frequently asked questions about #EF3009 color meaning, symbolism, and applications. Click on any question to expand detailed answers.