#4E78EF#4E78EF
#4E78EF is a mid, vivid blue. Relative luminance 0.213; OKLCH L 60.6% C 0.185 H 266.3°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).
Color values
| HEX | #4E78EF |
|---|---|
| RGB | rgb(78, 120, 239) |
| HSL | hsl(224, 83%, 62%) |
| HSV | hsv(224, 67%, 94%) |
| CMYK | cmyk(67.4%, 49.8%, 0%, 6.3%) |
| CIE-LAB | lab(53.26, 23.68, -64.32) |
| CIE-LCH | lch(53.26, 68.54, 290.21°) |
| OKLab | oklab(60.55% -0.0119 -0.1846) |
| OKLCH | oklch(60.55% 0.185 266.3) |
| XYZ | xyz(25.4329, 21.2821, 84.4122) |
| Luminance | 0.2129 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 2.12
Clear Blue
#247AFD
ΔE00 3.54
Deep Sky Blue
#0D75F8
ΔE00 4.08
Cornflower Blue
#5170D7
ΔE00 4.09
Dodger Blue
#3E82FC
ΔE00 4.31
Cornflower
#6A79F7
ΔE00 4.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4E78EF #EFC54E
analogous
#4EC8EF #4E78EF #754EEF
triadic
#4E78EF #EF4E78 #78EF4E
tetradic
#4E78EF #EF4EC8 #EFC54E #4EEF75
square
#4E78EF #EF4EC8 #EFC54E #4EEF75
split-complementary
#4E78EF #EF754E #C8EF4E
monochromatic
#103AB2 #164DEA #4E78EF #86A3F4 #BECEF9
Accessibility & contrast
On white
3.99
#4E78EF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.26
#4E78EF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4E78EF
5.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4E78EF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4E78EF | 1.00 | 3.99 | 5.26 | 5.26 |
| #FFFFFF | 3.99 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.26 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.26 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3287F3
Deuteranopia (green-blind)
#0078ED
Tritanopia (blue-blind)
#0094A8
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #4e78ef; /* rgb */ color: rgb(78, 120, 239); /* oklch */ color: oklch(60.6% 0.185 266.3);
Tailwind
colors: {
custom: {
50: '#909ef5',
500: '#4e78ef',
950: '#000000',
},
}SCSS
$custom: #4e78ef; $custom-light: #909ef5; $custom-dark: #000000;
JSON
{
"hex": "#4e78ef",
"rgb": {
"r": 78,
"g": 120,
"b": 239
},
"hsl": {
"h": 224.348,
"s": 83.42,
"l": 62.157
},
"oklch": {
"l": 0.60554,
"c": 0.18499,
"h": 266.3
},
"luminance": 0.21285
}Semantic roles & 50–950 ramp
primary
#4E78EF
secondary
#EADBAF
accent
#A706E0
background
#F9F9FF
surface
#F2F2FE
border
#CCCCD6
text
#0E0E17
muted
#7E7E85