Closest named color · ΔE 2.05
#104FDB
Closest named color · ΔE 2.05
#104FDB
Does it pop as a button? Stay readable as a background? Survive at badge size?
If an entire site used it as the primary color, it would feel like this —
Body copy goes here. The primary drives buttons and links, tints fill backgrounds, text uses the highest-contrast color.
Get startedHarmonious schemes generated from color theory.
How this color performs against black and white text.
White text on this background
Aa Ratio 6.64:1
Black text on this background
Aa Ratio 3.16:1
:root {
--color: #104FDB;
--color-rgb: 16, 79, 219;
--color-hsl: 221.4, 86.4%, 46.1%;
}
.bg-color { background-color: #104FDB; }
.text-on-color { color: #ffffff; }
.border-color { border-color: #104FDB; }
.gradient {
background-image: linear-gradient(90deg, #104FDB 0%, 0066CC 100%);
}Nearest official code in each standard system, ranked by CIEDE2000.
Official color from public brand materials (simple-icons CC0 dataset)
What the ancients would have called this color.
The same color, as named in Japanese tradition.
Based on the Machado (2009) model - see how this color appears to 8 types of color vision.
Normal vision
#104FDB
Standard trichromatic vision with all three cone types functioning.
Protanomaly
#1F53E0
Abnormal L cone sensitivity (~1% of men). Weakened red perception.
Protanopia
#2956E3
Missing L cones (~1% of men). Reds are hard to perceive.
Deuteranomaly
#1548D9
Abnormal M cone sensitivity (~6% of men). The most common deficiency.
Deuteranopia
#1844D7
Missing M cones (~1% of men). Reds and greens are confused.
Tritanomaly
#005EA0
Abnormal S cone sensitivity (extremely rare). Weakened blue-yellow perception.
Tritanopia
#006979
Missing S cones (extremely rare). Blues and yellows are confused.
Achromatomaly
#314D8D
Severely weakened color vision (~0.001%). Colors appear washed out.
Achromatopsia
#4C4C4C
No color vision at all (~0.003%). The world is shades of grey.
Closest names by CIEDE2000 perceptual distance.
Colors one step away in the RGB space — each with its own profile page.
Common derivatives of this color: lighter / darker / more saturated / less saturated, plus inverted, grayscale, web-safe and the nearest HTML named color. Click any to open its page.
Copy-paste snippets: foreground text, background, text shadow and a complementary gradient.
Text readability sample
color: #104FDB;Text readability sample
background-color: #104FDB;Text readability sample
text-shadow: 0.1em 0.1em 0.15em #104FDB;linear-gradient(90deg, #104FDB, #DB9C10)Drag hue, saturation and lightness to preview live - find the version that feels right.
This is the color with hex code #104FDB. Its RGB channels are 16, 79, 219; the closest human-readable name is "Frosted Blueberries" (ΔE 2.05, CIEDE2000).
#104FDB is rgb(16, 79, 219) in RGB, hsl(221.4, 86.4%, 46.1%) in HSL and cmyk(92.7%, 63.9%, 0%, 14.1%) in CMYK.
Its complement #DB9C10 works best, along with triadic and analogous harmonies - see the harmony section below to copy full palettes.
Contrast with black text is 3.16:1 and with white text 6.64:1. WCAG 2.1 requires at least 4.5:1 for body text (AA) and 3:1 for large text.