Color #CD645B Color / Colour Code #CD645B
This page shows the hex color code for color #cd645b (#CD645B). The colour is a red tone with 53% saturation and 58% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #CD645B against common backgrounds.
Complementary Colors
#CD645B paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 335, 5, and 35 degrees for harmonious combinations.
Triadic Palette
Three colors at 5, 125, and 245 degrees.
Color Palettes Using #CD645B
Five shades at lightness levels 15% through 85% while keeping hue at 5 and saturation at 53%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 5 to 50 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 5 with its complement at 185 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 #CD645B
Lightness variations at hue 5 and 53% saturation.
CSS Gradients with #CD645B
Design Use Cases for #CD645B
Balanced UI Color
At 53% saturation, #CD645B 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.
Soft Accent & Highlight
With 58% lightness, #CD645B 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
#CD645B falls in the red spectrum (hue 5). 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 #CD645B (hue 5) to its complement at hue 185. For a subtler effect, try pairing with an analogous color at hue 35. Use CSS: background: linear-gradient(135deg, #cd645b, #5bc3cd);
CSS Code for #CD645B
Similar Colors
Colors visually similar to #CD645B based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #CD645B across image editing and color design tools.
About Color #CD645B (#CD645B)
#CD645B is a red color (colour) with RGB channel values of 205 red, 100 green, and 91 blue. The red channel is dominant by a ratio of 2.3:1 over the weakest channel. In HSL terms, the hue sits at 5 degrees with 53% saturation and 58% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #CD645B is 130/255 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, 51% magenta, 56% yellow, and 20% key (black).
The WCAG contrast ratio of #CD645B against white is 3.77:1 and against black is 5.57:1. 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 5.57:1.
The complementary colour #5BC3CD creates maximum visual tension when paired with #CD645B. For more harmonious color combinations, use the analogous colours #CD5B8A and #CD9D5B, 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 #CD645B
- 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 #CD645B?
- #CD645B is Color #CD645B, a red color (colour) with RGB(205, 100, 91), HSL(5, 53%, 58%), and CMYK(0%, 51%, 56%, 20%). Its perceived brightness is 130/255.
- Is #CD645B accessible for text?
- Against white, #CD645B has a contrast ratio of 3.77:1 (fails AA for normal text). Against black, it has 5.57:1 (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 #CD645B?
- The complementary colour is #5BC3CD (hue 185). For subtle color combinations, use analogous colours #CD5B8A and #CD9D5B. The triadic palette adds #5BCD65 and #655BCD for vibrant variety.
- How do I use #CD645B in CSS?
- Use any format: color: #cd645b; or rgb(205, 100, 91); or hsl(5, 53%, 58%). For CSS custom properties: --color-primary: 5 53% 58%; 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.