Color #258EB2 Color / Colour Code #258EB2
This page shows the hex color code for color #258eb2 (#258EB2). The colour is a blue tone with 66% saturation and 42% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #258EB2 against common backgrounds.
Complementary Colors
#258EB2 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 165, 195, and 225 degrees for harmonious combinations.
Triadic Palette
Three colors at 195, 315, and 75 degrees.
Color Palettes Using #258EB2
Five shades at lightness levels 15% through 85% while keeping hue at 195 and saturation at 66%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 195 to 240 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 195 with its complement at 15 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 #258EB2
Lightness variations at hue 195 and 66% saturation.
CSS Gradients with #258EB2
Design Use Cases for #258EB2
Vibrant Brand Color
#258EB2 has a strong 66% saturation that makes it ideal for brand identity elements. Use it for logos, primary call-to-action buttons, hero section accents, and marketing materials where visual impact matters. This saturation level is eye-catching without being harsh.
Primary Interface Color
At 42% lightness, #258EB2 is in the mid-range, making it ideal for interactive elements like buttons, links, and selected states. This lightness level ensures good contrast against both light and dark adjacent elements in most layouts.
Trust & Professional Identity
#258EB2 sits in the blue range (hue 195). 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 #258EB2 (hue 195) to its complement at hue 15. For a subtler effect, try pairing with an analogous color at hue 225. Use CSS: background: linear-gradient(135deg, #258eb2, #b24824);
CSS Code for #258EB2
Similar Colors
Colors visually similar to #258EB2 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #258EB2 across image editing and color design tools.
About Color #258EB2 (#258EB2)
#258EB2 is a blue color (colour) with RGB channel values of 37 red, 142 green, and 178 blue. The blue channel is dominant by a ratio of 4.8:1 over the weakest channel. In HSL terms, the hue sits at 195 degrees with 66% saturation and 42% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #258EB2 is 115/255 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 79% cyan, 20% magenta, 0% yellow, and 30% key (black).
The WCAG contrast ratio of #258EB2 against white is 3.76:1 and against black is 5.59:1. This only passes AA for large text (18pt+) on white. For normal body text on white, darken the color or use it on a dark background where it achieves 5.59:1.
The complementary colour #B24824 creates maximum visual tension when paired with #258EB2. For more harmonious color combinations, use the analogous colours #24B28E and #2448B2, 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 #258EB2
- 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 #258EB2?
- #258EB2 is Color #258EB2, a blue color (colour) with RGB(37, 142, 178), HSL(195, 66%, 42%), and CMYK(79%, 20%, 0%, 30%). Its perceived brightness is 115/255.
- Is #258EB2 accessible for text?
- Against white, #258EB2 has a contrast ratio of 3.76:1 (fails AA for normal text). Against black, it has 5.59:1 (passes AA). It passes AA for large text (18pt+) on white. Use the contrast checker tool for custom background pairings.
- What colours pair well with #258EB2?
- The complementary colour is #B24824 (hue 15). For subtle color combinations, use analogous colours #24B28E and #2448B2. The triadic palette adds #B2248E and #8EB224 for vibrant variety.
- How do I use #258EB2 in CSS?
- Use any format: color: #258eb2; or rgb(37, 142, 178); or hsl(195, 66%, 42%). For CSS custom properties: --color-primary: 195 66% 42%; 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.