Closest named color · ΔE 0.92
#40407B
Closest named color · ΔE 0.92
#40407B
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 9.39:1
Black text on this background
Aa Ratio 2.24:1
:root {
--color: #40407B;
--color-rgb: 64, 64, 123;
--color-hsl: 240, 31.6%, 36.7%;
}
.bg-color { background-color: #40407B; }
.text-on-color { color: #ffffff; }
.border-color { border-color: #40407B; }
.gradient {
background-image: linear-gradient(90deg, #40407B 0%, 333366 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
#40407B
Standard trichromatic vision with all three cone types functioning.
Protanomaly
#39447D
Abnormal L cone sensitivity (~1% of men). Weakened red perception.
Protanopia
#34467E
Missing L cones (~1% of men). Reds are hard to perceive.
Deuteranomaly
#38427A
Abnormal M cone sensitivity (~6% of men). The most common deficiency.
Deuteranopia
#334379
Missing M cones (~1% of men). Reds and greens are confused.
Tritanomaly
#3A4562
Abnormal S cone sensitivity (extremely rare). Weakened blue-yellow perception.
Tritanopia
#354952
Missing S cones (extremely rare). Blues and yellows are confused.
Achromatomaly
#44445E
Severely weakened color vision (~0.001%). Colors appear washed out.
Achromatopsia
#444444
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: #40407B;Text readability sample
background-color: #40407B;Text readability sample
text-shadow: 0.1em 0.1em 0.15em #40407B;linear-gradient(90deg, #40407B, #7B7B40)Drag hue, saturation and lightness to preview live - find the version that feels right.
This is the color with hex code #40407B. Its RGB channels are 64, 64, 123; the closest human-readable name is "Jacksons Purple" (ΔE 0.92, CIEDE2000).
#40407B is rgb(64, 64, 123) in RGB, hsl(240, 31.6%, 36.7%) in HSL and cmyk(48%, 48%, 0%, 51.8%) in CMYK.
Its complement #7B7B40 works best, along with triadic and analogous harmonies - see the harmony section below to copy full palettes.
Contrast with black text is 2.24:1 and with white text 9.39:1. WCAG 2.1 requires at least 4.5:1 for body text (AA) and 3:1 for large text.