Color #E91C2F Color / Colour Code #E91C2F
This page shows the hex color code for color #e91c2f (#E91C2F). The colour is a red tone with 82% saturation and 51% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #E91C2F against common backgrounds.
Complementary Colors
#E91C2F paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 324, 354, and 24 degrees for harmonious combinations.
Triadic Palette
Three colors at 354, 114, and 234 degrees.
Color Palettes Using #E91C2F
Five shades at lightness levels 15% through 85% while keeping hue at 354 and saturation at 82%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 354 to 39 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 354 with its complement at 174 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 #E91C2F
Lightness variations at hue 354 and 82% saturation.
CSS Gradients with #E91C2F
Design Use Cases for #E91C2F
Vibrant Brand Color
#E91C2F has a strong 82% 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, #E91C2F 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.
Urgency & Energy Signaling
#E91C2F falls in the red spectrum (hue 354). Red triggers urgency and excitement, making it effective for sale badges, countdown timers, error messages, and "limited time" labels. In data visualization, use it to flag negative values or critical thresholds.
Gradient Pairing
Create a gradient from #E91C2F (hue 354) to its complement at hue 174. For a subtler effect, try pairing with an analogous color at hue 24. Use CSS: background: linear-gradient(135deg, #e91c2f, #1ce9d4);
CSS Code for #E91C2F
Similar Colors
Colors visually similar to #E91C2F based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #E91C2F across image editing and color design tools.
About Color #E91C2F (#E91C2F)
#E91C2F is a red color (colour) with RGB channel values of 233 red, 28 green, and 47 blue. The red channel is dominant by a ratio of 8.3:1 over the weakest channel. In HSL terms, the hue sits at 354 degrees with 82% saturation and 51% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #E91C2F is 91/255 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 0% cyan, 88% magenta, 80% yellow, and 9% key (black).
The WCAG contrast ratio of #E91C2F against white is 4.49:1 and against black is 4.67:1. This only passes AA for large text (18pt+) on white. For normal body text on white, darken the color or use it on a dark background where it achieves 4.67:1.
The complementary colour #1CE9D4 creates maximum visual tension when paired with #E91C2F. For more harmonious color combinations, use the analogous colours #E91C97 and #E96E1C, 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 #E91C2F
- 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 #E91C2F?
- #E91C2F is Color #E91C2F, a red color (colour) with RGB(233, 28, 47), HSL(354, 82%, 51%), and CMYK(0%, 88%, 80%, 9%). Its perceived brightness is 91/255.
- Is #E91C2F accessible for text?
- Against white, #E91C2F has a contrast ratio of 4.49:1 (fails AA for normal text). Against black, it has 4.67:1 (passes AA). It passes AA for large text (18pt+) on white. Use the contrast checker tool for custom background pairings.
- What colours pair well with #E91C2F?
- The complementary colour is #1CE9D4 (hue 174). For subtle color combinations, use analogous colours #E91C97 and #E96E1C. The triadic palette adds #30E91C and #1C30E9 for vibrant variety.
- How do I use #E91C2F in CSS?
- Use any format: color: #e91c2f; or rgb(233, 28, 47); or hsl(354, 82%, 51%). For CSS custom properties: --color-primary: 354 82% 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.