Color #031B87 Color / Colour Code #031B87
This page shows the hex color code for color #031b87 (#031B87). The colour is a blue tone with 96% saturation and 27% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #031B87 against common backgrounds.
Complementary Colors
#031B87 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 199, 229, and 259 degrees for harmonious combinations.
Triadic Palette
Three colors at 229, 349, and 109 degrees.
Color Palettes Using #031B87
Five shades at lightness levels 15% through 85% while keeping hue at 229 and saturation at 96%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 229 to 274 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 229 with its complement at 49 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 #031B87
Lightness variations at hue 229 and 96% saturation.
CSS Gradients with #031B87
Design Use Cases for #031B87
High-Impact Accent
With 96% saturation, #031B87 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.
Deep Accent & Text Color
#031B87 at 27% 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
#031B87 sits in the blue range (hue 229). 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 #031B87 (hue 229) to its complement at hue 49. For a subtler effect, try pairing with an analogous color at hue 259. Use CSS: background: linear-gradient(135deg, #031b87, #876f03);
CSS Code for #031B87
Similar Colors
Colors visually similar to #031B87 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #031B87 across image editing and color design tools.
About Color #031B87 (#031B87)
#031B87 is a blue color (colour) with RGB channel values of 3 red, 27 green, and 135 blue. The blue channel is dominant by a ratio of 45.0:1 over the weakest channel. In HSL terms, the hue sits at 229 degrees with 96% saturation and 27% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #031B87 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 98% cyan, 80% magenta, 0% yellow, and 47% key (black).
The WCAG contrast ratio of #031B87 against white is 13.90:1 and against black is 1.51:1. 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 #876F03 creates maximum visual tension when paired with #031B87. For more harmonious color combinations, use the analogous colours #035D87 and #2D0387, 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 #031B87
- 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 #031B87?
- #031B87 is Color #031B87, a blue color (colour) with RGB(3, 27, 135), HSL(229, 96%, 27%), and CMYK(98%, 80%, 0%, 47%). Its perceived brightness is 32/255.
- Is #031B87 accessible for text?
- Against white, #031B87 has a contrast ratio of 13.90:1 (passes AA for normal text). Against black, it has 1.51:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #031B87?
- The complementary colour is #876F03 (hue 49). For subtle color combinations, use analogous colours #035D87 and #2D0387. The triadic palette adds #87031B and #1B8703 for vibrant variety.
- How do I use #031B87 in CSS?
- Use any format: color: #031b87; or rgb(3, 27, 135); or hsl(229, 96%, 27%). For CSS custom properties: --color-primary: 229 96% 27%; 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.