#4A78EF#4A78EF
#4A78EF is a mid, vivid blue. Relative luminance 0.211; OKLCH L 60.4% C 0.186 H 265.3°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).
Color values
| HEX | #4A78EF |
|---|---|
| RGB | rgb(74, 120, 239) |
| HSL | hsl(223, 84%, 61%) |
| HSV | hsv(223, 69%, 94%) |
| CMYK | cmyk(69%, 49.8%, 0%, 6.3%) |
| CIE-LAB | lab(53.08, 23.10, -64.62) |
| CIE-LCH | lch(53.08, 68.62, 289.67°) |
| OKLab | oklab(60.37% -0.0153 -0.1856) |
| OKLCH | oklch(60.37% 0.186 265.3) |
| XYZ | xyz(25.1150, 21.1182, 84.3973) |
| Luminance | 0.2112 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 1.85
Clear Blue
#247AFD
ΔE00 3.08
Deep Sky Blue
#0D75F8
ΔE00 3.59
Dodger Blue
#3E82FC
ΔE00 4.06
Cornflower Blue
#5170D7
ΔE00 4.14
Cornflower
#6A79F7
ΔE00 4.96
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4A78EF #EFC14A
analogous
#4ACAEF #4A78EF #6F4AEF
triadic
#4A78EF #EF4A78 #78EF4A
tetradic
#4A78EF #EF4ACA #EFC14A #4AEF6F
square
#4A78EF #EF4ACA #EFC14A #4AEF6F
split-complementary
#4A78EF #EF6F4A #CAEF4A
monochromatic
#0F3CAF #144FE7 #4A78EF #82A2F4 #BACCF9
Accessibility & contrast
On white
4.02
#4A78EF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.22
#4A78EF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4A78EF
5.22:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4A78EF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4A78EF | 1.00 | 4.02 | 5.22 | 5.22 |
| #FFFFFF | 4.02 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.22 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.22 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3187F3
Deuteranopia (green-blind)
#0078ED
Tritanopia (blue-blind)
#0094A8
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #4a78ef; /* rgb */ color: rgb(74, 120, 239); /* oklch */ color: oklch(60.4% 0.186 265.3);
Tailwind
colors: {
custom: {
50: '#8f9ef5',
500: '#4a78ef',
950: '#000000',
},
}SCSS
$custom: #4a78ef; $custom-light: #8f9ef5; $custom-dark: #000000;
JSON
{
"hex": "#4a78ef",
"rgb": {
"r": 74,
"g": 120,
"b": 239
},
"hsl": {
"h": 223.273,
"s": 83.756,
"l": 61.373
},
"oklch": {
"l": 0.60369,
"c": 0.18619,
"h": 265.3
},
"luminance": 0.21121
}Semantic roles & 50–950 ramp
primary
#4A78EF
secondary
#E9D8AC
accent
#A305E0
background
#F9F9FF
surface
#F2F2FE
border
#CCCCD6
text
#0E0E17
muted
#7E7E85