#4E66C3#4E66C3
#4E66C3 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.9% C 0.147 H 270.0°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).
Color values
| HEX | #4E66C3 |
|---|---|
| RGB | rgb(78, 102, 195) |
| HSL | hsl(228, 49%, 54%) |
| HSV | hsv(228, 60%, 76%) |
| CMYK | cmyk(60%, 47.7%, 0%, 23.5%) |
| CIE-LAB | lab(45.72, 19.72, -51.50) |
| CIE-LCH | lch(45.72, 55.15, 290.95°) |
| OKLab | oklab(53.93% 0 -0.1471) |
| OKLCH | oklch(53.93% 0.147 270) |
| XYZ | xyz(17.7403, 15.0611, 53.5914) |
| Luminance | 0.1506 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 4.09
Cornflower Blue
#5170D7
ΔE00 4.38
French Blue
#436BAD
ΔE00 4.67
Azul
#1D5DEC
ΔE00 5.99
Warm Blue
#4B57DB
ΔE00 6.02
Dark Periwinkle
#665FD1
ΔE00 6.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4E66C3 #C3AB4E
analogous
#4EA0C3 #4E66C3 #704EC3
triadic
#4E66C3 #C34E66 #66C34E
tetradic
#4E66C3 #C34EA0 #C3AB4E #4EC370
square
#4E66C3 #C34EA0 #C3AB4E #4EC370
split-complementary
#4E66C3 #C3704E #A0C34E
monochromatic
#263570 #364B9E #4E66C3 #7C8ED2 #A9B5E2
Accessibility & contrast
On white
5.23
#4E66C3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.01
#4E66C3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4E66C3
5.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4E66C3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4E66C3 | 1.00 | 5.23 | 4.01 | 5.23 |
| #FFFFFF | 5.23 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.01 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.23 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3872C6
Deuteranopia (green-blind)
#2467C1
Tritanopia (blue-blind)
#007B8B
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #4e66c3; /* rgb */ color: rgb(78, 102, 195); /* oklch */ color: oklch(53.9% 0.147 270.0);
Tailwind
colors: {
custom: {
50: '#8a91d6',
500: '#4e66c3',
950: '#000000',
},
}SCSS
$custom: #4e66c3; $custom-light: #8a91d6; $custom-dark: #000000;
JSON
{
"hex": "#4e66c3",
"rgb": {
"r": 78,
"g": 102,
"b": 195
},
"hsl": {
"h": 227.692,
"s": 49.367,
"l": 53.529
},
"oklch": {
"l": 0.5393,
"c": 0.14714,
"h": 270
},
"luminance": 0.15063
}Semantic roles & 50–950 ramp
primary
#4E66C3
secondary
#CFC59D
accent
#BD4FD9
background
#F8F8FD
surface
#F0F0FA
border
#CBCBD3
text
#0D0C14
muted
#7D7D83