#4E66CE#4E66CE
#4E66CE is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.7% C 0.162 H 270.4°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).
Color values
| HEX | #4E66CE |
|---|---|
| RGB | rgb(78, 102, 206) |
| HSL | hsl(229, 57%, 56%) |
| HSV | hsv(229, 62%, 81%) |
| CMYK | cmyk(62.1%, 50.5%, 0%, 19.2%) |
| CIE-LAB | lab(46.41, 23.48, -56.71) |
| CIE-LCH | lch(46.41, 61.37, 292.49°) |
| OKLab | oklab(54.68% 0.0012 -0.1625) |
| OKLCH | oklch(54.68% 0.162 270.4) |
| XYZ | xyz(19.0301, 15.5771, 60.3844) |
| Luminance | 0.1558 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 2.93
Cornflower Blue
#5170D7
ΔE00 3.69
Azul
#1D5DEC
ΔE00 5.05
Warm Blue
#4B57DB
ΔE00 5.25
Dark Periwinkle
#665FD1
ΔE00 5.38
French Blue
#436BAD
ΔE00 5.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4E66CE #CEB64E
analogous
#4EA6CE #4E66CE #764ECE
triadic
#4E66CE #CE4E66 #66CE4E
tetradic
#4E66CE #CE4EA6 #CEB64E #4ECE76
square
#4E66CE #CE4EA6 #CEB64E #4ECE76
split-complementary
#4E66CE #CE764E #A6CE4E
monochromatic
#23347F #3048AE #4E66CE #7E8FDB #AEB9E9
Accessibility & contrast
On white
5.10
#4E66CE on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.12
#4E66CE on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4E66CE
5.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4E66CE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4E66CE | 1.00 | 5.10 | 4.12 | 5.10 |
| #FFFFFF | 5.10 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.12 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.10 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2C74D2
Deuteranopia (green-blind)
#0569CC
Tritanopia (blue-blind)
#007E90
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #4e66ce; /* rgb */ color: rgb(78, 102, 206); /* oklch */ color: oklch(54.7% 0.162 270.4);
Tailwind
colors: {
custom: {
50: '#8b91de',
500: '#4e66ce',
950: '#000000',
},
}SCSS
$custom: #4e66ce; $custom-light: #8b91de; $custom-dark: #000000;
JSON
{
"hex": "#4e66ce",
"rgb": {
"r": 78,
"g": 102,
"b": 206
},
"hsl": {
"h": 228.75,
"s": 56.637,
"l": 55.686
},
"oklch": {
"l": 0.54683,
"c": 0.16246,
"h": 270.4
},
"luminance": 0.15579
}Semantic roles & 50–950 ramp
primary
#4E66CE
secondary
#D7CDA1
accent
#C348E0
background
#F9F8FD
surface
#F1F0FB
border
#CBCBD4
text
#0D0C15
muted
#7E7D83