Color #003D1F Color / Colour Code #003D1F
This page shows the hex color code for color #003d1f (#003D1F). The colour is a cyan tone with 100% saturation and 12% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #003D1F against common backgrounds.
Complementary Colors
#003D1F paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 120, 150, and 180 degrees for harmonious combinations.
Triadic Palette
Three colors at 150, 270, and 30 degrees.
Color Palettes Using #003D1F
Five shades at lightness levels 15% through 85% while keeping hue at 150 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 150 to 195 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 150 with its complement at 330 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 #003D1F
Lightness variations at hue 150 and 100% saturation.
CSS Gradients with #003D1F
Design Use Cases for #003D1F
High-Impact Accent
With 100% saturation, #003D1F 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.
Dark Mode Background
At just 12% lightness, #003D1F works as a dark mode background or overlay color. Dark backgrounds reduce eye strain in low-light environments and make bright accent colors pop. Pair with light text (minimum 4.5:1 contrast ratio) for readability.
Clarity & Technology
#003D1F is in the cyan spectrum (hue 150). Cyan evokes technology, clarity, and innovation. It works well for tech product interfaces, data visualization accents, loading indicators, and futuristic design themes. Cyan provides a modern alternative to traditional blues.
Gradient Pairing
Create a gradient from #003D1F (hue 150) to its complement at hue 330. For a subtler effect, try pairing with an analogous color at hue 180. Use CSS: background: linear-gradient(135deg, #003d1f, #3d001f);
CSS Code for #003D1F
Similar Colors
Colors visually similar to #003D1F based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #003D1F across image editing and color design tools.
About Color #003D1F (#003D1F)
#003D1F is a cyan color (colour) with RGB channel values of 0 red, 61 green, and 31 blue. The green channel is dominant by a ratio of 61.0:1 over the weakest channel. In HSL terms, the hue sits at 150 degrees with 100% saturation and 12% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #003D1F is 39/255 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 100% cyan, 0% magenta, 49% yellow, and 76% key (black).
The WCAG contrast ratio of #003D1F against white is 12.45:1 and against black is 1.69:1. 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 #3D001F creates maximum visual tension when paired with #003D1F. For more harmonious color combinations, use the analogous colours #003D00 and #003D3D, 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 #003D1F
- 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 #003D1F?
- #003D1F is Color #003D1F, a cyan color (colour) with RGB(0, 61, 31), HSL(150, 100%, 12%), and CMYK(100%, 0%, 49%, 76%). Its perceived brightness is 39/255.
- Is #003D1F accessible for text?
- Against white, #003D1F has a contrast ratio of 12.45:1 (passes AA for normal text). Against black, it has 1.69:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #003D1F?
- The complementary colour is #3D001F (hue 330). For subtle color combinations, use analogous colours #003D00 and #003D3D. The triadic palette adds #1F003D and #3D1F00 for vibrant variety.
- How do I use #003D1F in CSS?
- Use any format: color: #003d1f; or rgb(0, 61, 31); or hsl(150, 100%, 12%). For CSS custom properties: --color-primary: 150 100% 12%; 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.