Closest named color · ΔE 0.84
#1DCAFE
Closest named color · ΔE 0.84
#1DCAFE
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 1.92:1
Black text on this background
Aa Ratio 10.93:1
:root {
--color: #1DCAFE;
--color-rgb: 29, 202, 254;
--color-hsl: 193.9, 99.1%, 55.5%;
}
.bg-color { background-color: #1DCAFE; }
.text-on-color { color: #000000; }
.border-color { border-color: #1DCAFE; }
.gradient {
background-image: linear-gradient(90deg, #1DCAFE 0%, 33CCFF 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
#1DCAFE
Standard trichromatic vision with all three cone types functioning.
Protanomaly
#6FC1FF
Abnormal L cone sensitivity (~1% of men). Weakened red perception.
Protanopia
#A5BBFF
Missing L cones (~1% of men). Reds are hard to perceive.
Deuteranomaly
#58AEFE
Abnormal M cone sensitivity (~6% of men). The most common deficiency.
Deuteranopia
#7F9CFE
Missing M cones (~1% of men). Reds and greens are confused.
Tritanomaly
#00D7E8
Abnormal S cone sensitivity (extremely rare). Weakened blue-yellow perception.
Tritanopia
#00DFD9
Missing S cones (extremely rare). Blues and yellows are confused.
Achromatomaly
#62B1C9
Severely weakened color vision (~0.001%). Colors appear washed out.
Achromatopsia
#A9A9A9
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: #1DCAFE;Text readability sample
background-color: #1DCAFE;Text readability sample
text-shadow: 0.1em 0.1em 0.15em #1DCAFE;linear-gradient(90deg, #1DCAFE, #FE511D)Drag hue, saturation and lightness to preview live - find the version that feels right.
This is the color with hex code #1DCAFE. Its RGB channels are 29, 202, 254; the closest human-readable name is "Vivid Sky Blue" (ΔE 0.84, CIEDE2000).
#1DCAFE is rgb(29, 202, 254) in RGB, hsl(193.9, 99.1%, 55.5%) in HSL and cmyk(88.6%, 20.5%, 0%, 0.4%) in CMYK.
Its complement #FE511D works best, along with triadic and analogous harmonies - see the harmony section below to copy full palettes.
Contrast with black text is 10.93:1 and with white text 1.92:1. WCAG 2.1 requires at least 4.5:1 for body text (AA) and 3:1 for large text.