Color #131B19 Color / Colour Code #131B19
This page shows the hex color code for color #131b19 (#131B19). The colour is a cyan tone with 17% saturation and 9% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #131B19 against common backgrounds.
Complementary Colors
#131B19 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 135, 165, and 195 degrees for harmonious combinations.
Triadic Palette
Three colors at 165, 285, and 45 degrees.
Color Palettes Using #131B19
Five shades at lightness levels 15% through 85% while keeping hue at 165 and saturation at 17%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 165 to 210 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 165 with its complement at 345 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 #131B19
Lightness variations at hue 165 and 17% saturation.
CSS Gradients with #131B19
Design Use Cases for #131B19
Muted Accent Color
With 17% saturation, #131B19 has a subtle, sophisticated quality. This level of desaturation works well for secondary buttons, inactive states, subtle borders, and backgrounds that need a hint of color without being distracting. Muted colors communicate restraint and professionalism.
Dark Mode Background
At just 9% lightness, #131B19 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
#131B19 is in the cyan spectrum (hue 165). 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 #131B19 (hue 165) to its complement at hue 345. For a subtler effect, try pairing with an analogous color at hue 195. Use CSS: background: linear-gradient(135deg, #131b19, #1b1315);
CSS Code for #131B19
Similar Colors
Colors visually similar to #131B19 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #131B19 across image editing and color design tools.
About Color #131B19 (#131B19)
#131B19 is a cyan color (colour) with RGB channel values of 19 red, 27 green, and 25 blue. The green channel is dominant with a relatively balanced channel distribution. In HSL terms, the hue sits at 165 degrees with 17% saturation and 9% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #131B19 is 24/255 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 30% cyan, 0% magenta, 7% yellow, and 89% key (black).
The WCAG contrast ratio of #131B19 against white is 17.52:1 and against black is 1.20:1. 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 #1B1315 creates maximum visual tension when paired with #131B19. For more harmonious color combinations, use the analogous colours #131B15 and #13191B, 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 #131B19
- 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 #131B19?
- #131B19 is Color #131B19, a cyan color (colour) with RGB(19, 27, 25), HSL(165, 17%, 9%), and CMYK(30%, 0%, 7%, 89%). Its perceived brightness is 24/255.
- Is #131B19 accessible for text?
- Against white, #131B19 has a contrast ratio of 17.52:1 (passes AA for normal text). Against black, it has 1.20:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #131B19?
- The complementary colour is #1B1315 (hue 345). For subtle color combinations, use analogous colours #131B15 and #13191B. The triadic palette adds #19131B and #1B1913 for vibrant variety.
- How do I use #131B19 in CSS?
- Use any format: color: #131b19; or rgb(19, 27, 25); or hsl(165, 17%, 9%). For CSS custom properties: --color-primary: 165 17% 9%; 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.