Red Color / Colour Code #A15445
This page shows the hex color code for red (#A15445). The colour is a red tone with 40% saturation and 45% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #A15445 against common backgrounds.
Complementary Colors
#A15445 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 340, 10, and 40 degrees for harmonious combinations.
Triadic Palette
Three colors at 10, 130, and 250 degrees.
Color Palettes Using #A15445
Five shades at lightness levels 15% through 85% while keeping hue at 10 and saturation at 40%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 10 to 55 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 10 with its complement at 190 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 #A15445
Lightness variations at hue 10 and 40% saturation.
CSS Gradients with #A15445
Design Use Cases for #A15445
Balanced UI Color
At 40% saturation, #A15445 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.
Primary Interface Color
At 45% lightness, #A15445 is in the mid-range, making it ideal for interactive elements like buttons, links, and selected states. This lightness level ensures good contrast against both light and dark adjacent elements in most layouts.
Urgency & Energy Signaling
#A15445 falls in the red spectrum (hue 10). 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 #A15445 (hue 10) to its complement at hue 190. For a subtler effect, try pairing with an analogous color at hue 40. Use CSS: background: linear-gradient(135deg, #a15445, #4591a1);
CSS Code for #A15445
Similar Colors
Colors visually similar to #A15445 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #A15445 across image editing and color design tools.
About Red (#A15445)
#A15445 is a red color (colour) with RGB channel values of 161 red, 84 green, and 69 blue. The red channel is dominant by a ratio of 2.3:1 over the weakest channel. In HSL terms, the hue sits at 10 degrees with 40% saturation and 45% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #A15445 is 105/255 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, 48% magenta, 57% yellow, and 37% key (black).
The WCAG contrast ratio of #A15445 against white is 5.43:1 and against black is 3.87:1. This meets the AA requirement (4.5:1) for normal text on white. For AAA compliance, consider darkening to at least 31% lightness.
The complementary colour #4591A1 creates maximum visual tension when paired with #A15445. For more harmonious color combinations, use the analogous colours #A14563 and #A18245, 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 #A15445
- 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 #A15445?
- #A15445 is Red, a red color (colour) with RGB(161, 84, 69), HSL(10, 40%, 45%), and CMYK(0%, 48%, 57%, 37%). Its perceived brightness is 105/255.
- Is #A15445 accessible for text?
- Against white, #A15445 has a contrast ratio of 5.43:1 (passes AA for normal text). Against black, it has 3.87:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #A15445?
- The complementary colour is #4591A1 (hue 190). For subtle color combinations, use analogous colours #A14563 and #A18245. The triadic palette adds #45A154 and #5445A1 for vibrant variety.
- How do I use #A15445 in CSS?
- Use any format: color: #a15445; or rgb(161, 84, 69); or hsl(10, 40%, 45%). For CSS custom properties: --color-primary: 10 40% 45%; 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.