Color #1F4737 Color / Colour Code #1F4737
This page shows the hex color code for color #1f4737 (#1F4737). The colour is a cyan tone with 39% saturation and 20% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #1F4737 against common backgrounds.
Complementary Colors
#1F4737 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 126, 156, and 186 degrees for harmonious combinations.
Triadic Palette
Three colors at 156, 276, and 36 degrees.
Color Palettes Using #1F4737
Five shades at lightness levels 15% through 85% while keeping hue at 156 and saturation at 39%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 156 to 201 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 156 with its complement at 336 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 #1F4737
Lightness variations at hue 156 and 39% saturation.
CSS Gradients with #1F4737
Design Use Cases for #1F4737
Balanced UI Color
At 39% saturation, #1F4737 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.
Deep Accent & Text Color
#1F4737 at 20% lightness is dark enough for readable body text on light backgrounds while retaining its cyan character. Use for headings, emphasized text, or deep accent borders. It provides contrast without the harshness of pure black.
Clarity & Technology
#1F4737 is in the cyan spectrum (hue 156). 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 #1F4737 (hue 156) to its complement at hue 336. For a subtler effect, try pairing with an analogous color at hue 186. Use CSS: background: linear-gradient(135deg, #1f4737, #471f2f);
CSS Code for #1F4737
Similar Colors
Colors visually similar to #1F4737 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #1F4737 across image editing and color design tools.
About Color #1F4737 (#1F4737)
#1F4737 is a cyan color (colour) with RGB channel values of 31 red, 71 green, and 55 blue. The green channel is dominant by a ratio of 2.3:1 over the weakest channel. In HSL terms, the hue sits at 156 degrees with 39% saturation and 20% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #1F4737 is 57/255 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 56% cyan, 0% magenta, 23% yellow, and 72% key (black).
The WCAG contrast ratio of #1F4737 against white is 10.42:1 and against black is 2.01:1. 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 #471F2F creates maximum visual tension when paired with #1F4737. For more harmonious color combinations, use the analogous colours #1F4723 and #1F4347, 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 #1F4737
- 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 #1F4737?
- #1F4737 is Color #1F4737, a cyan color (colour) with RGB(31, 71, 55), HSL(156, 39%, 20%), and CMYK(56%, 0%, 23%, 72%). Its perceived brightness is 57/255.
- Is #1F4737 accessible for text?
- Against white, #1F4737 has a contrast ratio of 10.42:1 (passes AA for normal text). Against black, it has 2.01:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #1F4737?
- The complementary colour is #471F2F (hue 336). For subtle color combinations, use analogous colours #1F4723 and #1F4347. The triadic palette adds #371F47 and #47371F for vibrant variety.
- How do I use #1F4737 in CSS?
- Use any format: color: #1f4737; or rgb(31, 71, 55); or hsl(156, 39%, 20%). For CSS custom properties: --color-primary: 156 39% 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.