Color #211D30 Color / Colour Code #211D30
This page shows the hex color code for color #211d30 (#211D30). The colour is a blue tone with 25% saturation and 15% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #211D30 against common backgrounds.
Complementary Colors
#211D30 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 223, 253, and 283 degrees for harmonious combinations.
Triadic Palette
Three colors at 253, 13, and 133 degrees.
Color Palettes Using #211D30
Five shades at lightness levels 15% through 85% while keeping hue at 253 and saturation at 25%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 253 to 298 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 253 with its complement at 73 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 #211D30
Lightness variations at hue 253 and 25% saturation.
CSS Gradients with #211D30
Design Use Cases for #211D30
Muted Accent Color
With 25% saturation, #211D30 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.
Deep Accent & Text Color
#211D30 at 15% lightness is dark enough for readable body text on light backgrounds while retaining its blue character. Use for headings, emphasized text, or deep accent borders. It provides contrast without the harshness of pure black.
Trust & Professional Identity
#211D30 sits in the blue range (hue 253). 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 #211D30 (hue 253) to its complement at hue 73. For a subtler effect, try pairing with an analogous color at hue 283. Use CSS: background: linear-gradient(135deg, #211d30, #2c301d);
CSS Code for #211D30
Similar Colors
Colors visually similar to #211D30 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #211D30 across image editing and color design tools.
About Color #211D30 (#211D30)
#211D30 is a blue color (colour) with RGB channel values of 33 red, 29 green, and 48 blue. The blue channel is dominant with a relatively balanced channel distribution. In HSL terms, the hue sits at 253 degrees with 25% saturation and 15% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #211D30 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 31% cyan, 40% magenta, 0% yellow, and 81% key (black).
The WCAG contrast ratio of #211D30 against white is 16.37:1 and against black is 1.28:1. 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 #2C301D creates maximum visual tension when paired with #211D30. For more harmonious color combinations, use the analogous colours #1D2230 and #2A1D30, 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 #211D30
- 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 #211D30?
- #211D30 is Color #211D30, a blue color (colour) with RGB(33, 29, 48), HSL(253, 25%, 15%), and CMYK(31%, 40%, 0%, 81%). Its perceived brightness is 32/255.
- Is #211D30 accessible for text?
- Against white, #211D30 has a contrast ratio of 16.37:1 (passes AA for normal text). Against black, it has 1.28:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #211D30?
- The complementary colour is #2C301D (hue 73). For subtle color combinations, use analogous colours #1D2230 and #2A1D30. The triadic palette adds #30211D and #1D3021 for vibrant variety.
- How do I use #211D30 in CSS?
- Use any format: color: #211d30; or rgb(33, 29, 48); or hsl(253, 25%, 15%). For CSS custom properties: --color-primary: 253 25% 15%; 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.