Color #E15F37 Color / Colour Code #E15F37
This page shows the hex color code for color #e15f37 (#E15F37). The colour is a red tone with 74% saturation and 55% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #E15F37 against common backgrounds.
Complementary Colors
#E15F37 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 344, 14, and 44 degrees for harmonious combinations.
Triadic Palette
Three colors at 14, 134, and 254 degrees.
Color Palettes Using #E15F37
Five shades at lightness levels 15% through 85% while keeping hue at 14 and saturation at 74%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 14 to 59 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 14 with its complement at 194 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 #E15F37
Lightness variations at hue 14 and 74% saturation.
CSS Gradients with #E15F37
Design Use Cases for #E15F37
Vibrant Brand Color
#E15F37 has a strong 74% 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 55% lightness, #E15F37 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
#E15F37 falls in the red spectrum (hue 14). 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 #E15F37 (hue 14) to its complement at hue 194. For a subtler effect, try pairing with an analogous color at hue 44. Use CSS: background: linear-gradient(135deg, #e15f37, #37bae1);
CSS Code for #E15F37
Similar Colors
Colors visually similar to #E15F37 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #E15F37 across image editing and color design tools.
About Color #E15F37 (#E15F37)
#E15F37 is a red color (colour) with RGB channel values of 225 red, 95 green, and 55 blue. The red channel is dominant by a ratio of 4.1:1 over the weakest channel. In HSL terms, the hue sits at 14 degrees with 74% saturation and 55% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #E15F37 is 129/255 using the ITU-R BT.601 luma formula (0.299R + 0.587G + 0.114B). This is a medium-brightness color that can work with either dark or light text depending on font weight and size. For print production, the CMYK equivalent is 0% cyan, 58% magenta, 76% yellow, and 12% key (black).
The WCAG contrast ratio of #E15F37 against white is 3.56:1 and against black is 5.89:1. 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 5.89:1.
The complementary colour #37BAE1 creates maximum visual tension when paired with #E15F37. For more harmonious color combinations, use the analogous colours #E13765 and #E1B437, 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 #E15F37
- 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 #E15F37?
- #E15F37 is Color #E15F37, a red color (colour) with RGB(225, 95, 55), HSL(14, 74%, 55%), and CMYK(0%, 58%, 76%, 12%). Its perceived brightness is 129/255.
- Is #E15F37 accessible for text?
- Against white, #E15F37 has a contrast ratio of 3.56:1 (fails AA for normal text). Against black, it has 5.89:1 (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 #E15F37?
- The complementary colour is #37BAE1 (hue 194). For subtle color combinations, use analogous colours #E13765 and #E1B437. The triadic palette adds #37E15F and #5F37E1 for vibrant variety.
- How do I use #E15F37 in CSS?
- Use any format: color: #e15f37; or rgb(225, 95, 55); or hsl(14, 74%, 55%). For CSS custom properties: --color-primary: 14 74% 55%; 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.