#4F78EF#4F78EF
#4F78EF is a mid, vivid blue. Relative luminance 0.213; OKLCH L 60.6% C 0.185 H 266.6°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).
Color values
| HEX | #4F78EF |
|---|---|
| RGB | rgb(79, 120, 239) |
| HSL | hsl(225, 83%, 62%) |
| HSV | hsv(225, 67%, 94%) |
| CMYK | cmyk(66.9%, 49.8%, 0%, 6.3%) |
| CIE-LAB | lab(53.30, 23.83, -64.24) |
| CIE-LCH | lch(53.30, 68.52, 290.35°) |
| OKLab | oklab(60.6% -0.011 -0.1844) |
| OKLCH | oklch(60.6% 0.185 266.6) |
| XYZ | xyz(25.5155, 21.3247, 84.4160) |
| Luminance | 0.2133 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 2.21
Clear Blue
#247AFD
ΔE00 3.66
Cornflower Blue
#5170D7
ΔE00 4.08
Deep Sky Blue
#0D75F8
ΔE00 4.20
Cornflower
#6A79F7
ΔE00 4.33
Dodger Blue
#3E82FC
ΔE00 4.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4F78EF #EFC64F
analogous
#4FC8EF #4F78EF #764FEF
triadic
#4F78EF #EF4F78 #78EF4F
tetradic
#4F78EF #EF4FC8 #EFC64F #4FEF76
square
#4F78EF #EF4FC8 #EFC64F #4FEF76
split-complementary
#4F78EF #EF764F #C8EF4F
monochromatic
#103AB3 #174DEA #4F78EF #87A3F4 #BFCEF9
Accessibility & contrast
On white
3.99
#4F78EF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.27
#4F78EF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4F78EF
5.27:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4F78EF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4F78EF | 1.00 | 3.99 | 5.27 | 5.27 |
| #FFFFFF | 3.99 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.27 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.27 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3387F3
Deuteranopia (green-blind)
#0078ED
Tritanopia (blue-blind)
#0094A8
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #4f78ef; /* rgb */ color: rgb(79, 120, 239); /* oklch */ color: oklch(60.6% 0.185 266.6);
Tailwind
colors: {
custom: {
50: '#919ef5',
500: '#4f78ef',
950: '#000000',
},
}SCSS
$custom: #4f78ef; $custom-light: #919ef5; $custom-dark: #000000;
JSON
{
"hex": "#4f78ef",
"rgb": {
"r": 79,
"g": 120,
"b": 239
},
"hsl": {
"h": 224.625,
"s": 83.333,
"l": 62.353
},
"oklch": {
"l": 0.60601,
"c": 0.1847,
"h": 266.6
},
"luminance": 0.21327
}Semantic roles & 50–950 ramp
primary
#4F78EF
secondary
#EADBB0
accent
#A806E0
background
#F9F9FF
surface
#F2F2FE
border
#CCCCD6
text
#0E0E17
muted
#7E7E85