Color #1D202C Color / Colour Code #1D202C
This page shows the hex color code for color #1d202c (#1D202C). The colour is a blue tone with 21% saturation and 14% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #1D202C against common backgrounds.
Complementary Colors
#1D202C paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 198, 228, and 258 degrees for harmonious combinations.
Triadic Palette
Three colors at 228, 348, and 108 degrees.
Color Palettes Using #1D202C
Five shades at lightness levels 15% through 85% while keeping hue at 228 and saturation at 21%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 228 to 273 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 228 with its complement at 48 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 #1D202C
Lightness variations at hue 228 and 21% saturation.
CSS Gradients with #1D202C
Design Use Cases for #1D202C
Muted Accent Color
With 21% saturation, #1D202C 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 14% lightness, #1D202C 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.
Trust & Professional Identity
#1D202C sits in the blue range (hue 228). Blue is the world's most popular color for corporate identities because it conveys trust, stability, and competence. Use it for navigation bars, link text, form focus states, and any element where user confidence matters. Financial, healthcare, and technology brands rely heavily on this hue range.
Gradient Pairing
Create a gradient from #1D202C (hue 228) to its complement at hue 48. For a subtler effect, try pairing with an analogous color at hue 258. Use CSS: background: linear-gradient(135deg, #1d202c, #2b281c);
CSS Code for #1D202C
Similar Colors
Colors visually similar to #1D202C based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #1D202C across image editing and color design tools.
About Color #1D202C (#1D202C)
#1D202C is a blue color (colour) with RGB channel values of 29 red, 32 green, and 44 blue. The blue channel is dominant with a relatively balanced channel distribution. In HSL terms, the hue sits at 228 degrees with 21% saturation and 14% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #1D202C is 32/255 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 34% cyan, 27% magenta, 0% yellow, and 83% key (black).
The WCAG contrast ratio of #1D202C against white is 16.21:1 and against black is 1.30:1. 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 #2B281C creates maximum visual tension when paired with #1D202C. For more harmonious color combinations, use the analogous colours #1C272B and #211C2B, 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 #1D202C
- 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 #1D202C?
- #1D202C is Color #1D202C, a blue color (colour) with RGB(29, 32, 44), HSL(228, 21%, 14%), and CMYK(34%, 27%, 0%, 83%). Its perceived brightness is 32/255.
- Is #1D202C accessible for text?
- Against white, #1D202C has a contrast ratio of 16.21:1 (passes AA for normal text). Against black, it has 1.30:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #1D202C?
- The complementary colour is #2B281C (hue 48). For subtle color combinations, use analogous colours #1C272B and #211C2B. The triadic palette adds #2B1C1F and #1F2B1C for vibrant variety.
- How do I use #1D202C in CSS?
- Use any format: color: #1d202c; or rgb(29, 32, 44); or hsl(228, 21%, 14%). For CSS custom properties: --color-primary: 228 21% 14%; 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.