#4F78EA#4F78EA
#4F78EA is a mid, vivid blue. Relative luminance 0.210; OKLCH L 60.3% C 0.178 H 266.3°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).
Color values
| HEX | #4F78EA |
|---|---|
| RGB | rgb(79, 120, 234) |
| HSL | hsl(224, 79%, 61%) |
| HSV | hsv(224, 66%, 92%) |
| CMYK | cmyk(66.2%, 48.7%, 0%, 8.2%) |
| CIE-LAB | lab(52.99, 22.09, -61.96) |
| CIE-LCH | lch(52.99, 65.79, 289.62°) |
| OKLab | oklab(60.26% -0.0116 -0.1777) |
| OKLCH | oklch(60.26% 0.178 266.3) |
| XYZ | xyz(24.7871, 21.0333, 80.5795) |
| Luminance | 0.2104 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 2.49
Clear Blue
#247AFD
ΔE00 3.69
Cornflower Blue
#5170D7
ΔE00 3.69
Deep Sky Blue
#0D75F8
ΔE00 4.09
Dodger Blue
#3E82FC
ΔE00 4.48
Cornflower
#6A79F7
ΔE00 4.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4F78EA #EAC14F
analogous
#4FC6EA #4F78EA #744FEA
triadic
#4F78EA #EA4F78 #78EA4F
tetradic
#4F78EA #EA4FC6 #EAC14F #4FEA74
square
#4F78EA #EA4FC6 #EAC14F #4FEA74
split-complementary
#4F78EA #EA744F #C6EA4F
monochromatic
#143CAA #1B4FE1 #4F78EA #86A2F1 #BCCCF7
Accessibility & contrast
On white
4.03
#4F78EA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.21
#4F78EA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4F78EA
5.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4F78EA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4F78EA | 1.00 | 4.03 | 5.21 | 5.21 |
| #FFFFFF | 4.03 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.21 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.21 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3986EE
Deuteranopia (green-blind)
#0978E8
Tritanopia (blue-blind)
#0093A6
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #4f78ea; /* rgb */ color: rgb(79, 120, 234); /* oklch */ color: oklch(60.3% 0.178 266.3);
Tailwind
colors: {
custom: {
50: '#909ef1',
500: '#4f78ea',
950: '#000000',
},
}SCSS
$custom: #4f78ea; $custom-light: #909ef1; $custom-dark: #000000;
JSON
{
"hex": "#4f78ea",
"rgb": {
"r": 79,
"g": 120,
"b": 234
},
"hsl": {
"h": 224.129,
"s": 78.68,
"l": 61.373
},
"oklch": {
"l": 0.60259,
"c": 0.17804,
"h": 266.3
},
"luminance": 0.21036
}Semantic roles & 50–950 ramp
primary
#4F78EA
secondary
#E7D8AD
accent
#A40BDB
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0E17
muted
#7E7E85