#4B78F7#4B78F7
#4B78F7 is a mid, vivid blue. Relative luminance 0.216; OKLCH L 61.0% C 0.196 H 266.0°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).
Color values
| HEX | #4B78F7 |
|---|---|
| RGB | rgb(75, 120, 247) |
| HSL | hsl(224, 91%, 63%) |
| HSV | hsv(224, 70%, 97%) |
| CMYK | cmyk(69.6%, 51.4%, 0%, 3.1%) |
| CIE-LAB | lab(53.64, 26.04, -68.15) |
| CIE-LCH | lch(53.64, 72.96, 290.91°) |
| OKLab | oklab(60.98% -0.0136 -0.1959) |
| OKLCH | oklch(60.98% 0.196 266) |
| XYZ | xyz(26.4008, 21.6415, 90.7635) |
| Luminance | 0.2164 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 1.65
Clear Blue
#247AFD
ΔE00 3.33
Deep Sky Blue
#0D75F8
ΔE00 4.07
Dodger Blue
#3E82FC
ΔE00 4.08
Cornflower
#6A79F7
ΔE00 4.32
Cornflower Blue
#5170D7
ΔE00 4.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B78F7 #F7CA4B
analogous
#4BCEF7 #4B78F7 #744BF7
triadic
#4B78F7 #F74B78 #78F74B
tetradic
#4B78F7 #F74BCE #F7CA4B #4BF774
square
#4B78F7 #F74BCE #F7CA4B #4BF774
split-complementary
#4B78F7 #F7744B #CEF74B
monochromatic
#0838BF #104CF4 #4B78F7 #86A4FA #C0D0FC
Accessibility & contrast
On white
3.94
#4B78F7 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.33
#4B78F7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4B78F7
5.33:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B78F7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4B78F7 | 1.00 | 3.94 | 5.33 | 5.33 |
| #FFFFFF | 3.94 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.33 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.33 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2488FC
Deuteranopia (green-blind)
#0079F4
Tritanopia (blue-blind)
#0096AC
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #4b78f7; /* rgb */ color: rgb(75, 120, 247); /* oklch */ color: oklch(61.0% 0.196 266.0);
Tailwind
colors: {
custom: {
50: '#919efb',
500: '#4b78f7',
950: '#000000',
},
}SCSS
$custom: #4b78f7; $custom-light: #919efb; $custom-dark: #000000;
JSON
{
"hex": "#4b78f7",
"rgb": {
"r": 75,
"g": 120,
"b": 247
},
"hsl": {
"h": 224.302,
"s": 91.489,
"l": 63.137
},
"oklch": {
"l": 0.60978,
"c": 0.19641,
"h": 266
},
"luminance": 0.21644
}Semantic roles & 50–950 ramp
primary
#4B78F7
secondary
#EEDEB0
accent
#A900E6
background
#F9F9FF
surface
#F2F2FF
border
#CCCCD7
text
#0E0E17
muted
#7E7E85