Color #66003C Color / Colour Code #66003C
This page shows the hex color code for color #66003c (#66003C). The colour is a pink tone with 100% saturation and 20% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #66003C against common backgrounds.
Complementary Colors
#66003C paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 295, 325, and 355 degrees for harmonious combinations.
Triadic Palette
Three colors at 325, 85, and 205 degrees.
Color Palettes Using #66003C
Five shades at lightness levels 15% through 85% while keeping hue at 325 and saturation at 100%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 325 to 10 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 325 with its complement at 145 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 #66003C
Lightness variations at hue 325 and 100% saturation.
CSS Gradients with #66003C
Design Use Cases for #66003C
High-Impact Accent
With 100% saturation, #66003C is highly vivid. Reserve this for elements that need maximum attention: primary action buttons, notification badges, error states, or promotional banners. Use sparingly alongside neutral tones to avoid visual fatigue.
Deep Accent & Text Color
#66003C at 20% lightness is dark enough for readable body text on light backgrounds while retaining its pink character. Use for headings, emphasized text, or deep accent borders. It provides contrast without the harshness of pure black.
Playfulness & Compassion
#66003C is in the pink range (hue 325). Pink ranges from energetic to gentle depending on saturation and lightness. Use it for beauty and cosmetics branding, social app interfaces, Valentine's themes, and youth-oriented design. Desaturated pinks work well as soft background tints.
Gradient Pairing
Create a gradient from #66003C (hue 325) to its complement at hue 145. For a subtler effect, try pairing with an analogous color at hue 355. Use CSS: background: linear-gradient(135deg, #66003c, #00662b);
CSS Code for #66003C
Similar Colors
Colors visually similar to #66003C based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #66003C across image editing and color design tools.
About Color #66003C (#66003C)
#66003C is a pink color (colour) with RGB channel values of 102 red, 0 green, and 60 blue. The red channel is dominant by a ratio of 102.0:1 over the weakest channel. In HSL terms, the hue sits at 325 degrees with 100% saturation and 20% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #66003C is 37/255 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, 100% magenta, 41% yellow, and 60% key (black).
The WCAG contrast ratio of #66003C against white is 12.88:1 and against black is 1.63:1. This exceeds the AAA requirement (7:1) for normal text on white, making it excellent for body text and small UI labels on light backgrounds.
The complementary colour #00662B creates maximum visual tension when paired with #66003C. For more harmonious color combinations, use the analogous colours #5D0066 and #660008, 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 #66003C
- 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 #66003C?
- #66003C is Color #66003C, a pink color (colour) with RGB(102, 0, 60), HSL(325, 100%, 20%), and CMYK(0%, 100%, 41%, 60%). Its perceived brightness is 37/255.
- Is #66003C accessible for text?
- Against white, #66003C has a contrast ratio of 12.88:1 (passes AA for normal text). Against black, it has 1.63:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #66003C?
- The complementary colour is #00662B (hue 145). For subtle color combinations, use analogous colours #5D0066 and #660008. The triadic palette adds #3C6600 and #003C66 for vibrant variety.
- How do I use #66003C in CSS?
- Use any format: color: #66003c; or rgb(102, 0, 60); or hsl(325, 100%, 20%). For CSS custom properties: --color-primary: 325 100% 20%; 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.