#4C78EB#4C78EB
#4C78EB is a mid, vivid blue. Relative luminance 0.210; OKLCH L 60.2% C 0.180 H 265.5°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).
Color values
| HEX | #4C78EB |
|---|---|
| RGB | rgb(76, 120, 235) |
| HSL | hsl(223, 80%, 61%) |
| HSV | hsv(223, 68%, 92%) |
| CMYK | cmyk(67.7%, 48.9%, 0%, 7.8%) |
| CIE-LAB | lab(52.91, 21.99, -62.65) |
| CIE-LCH | lch(52.91, 66.40, 289.34°) |
| OKLab | oklab(60.18% -0.014 -0.1797) |
| OKLCH | oklch(60.18% 0.18 265.5) |
| XYZ | xyz(24.6871, 20.9652, 81.3268) |
| Luminance | 0.2097 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 2.24
Clear Blue
#247AFD
ΔE00 3.33
Deep Sky Blue
#0D75F8
ΔE00 3.73
Cornflower Blue
#5170D7
ΔE00 3.82
Dodger Blue
#3E82FC
ΔE00 4.27
Cerulean Blue
#056EEE
ΔE00 5.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4C78EB #EBBF4C
analogous
#4CC7EB #4C78EB #6F4CEB
triadic
#4C78EB #EB4C78 #78EB4C
tetradic
#4C78EB #EB4CC7 #EBBF4C #4CEB6F
square
#4C78EB #EB4CC7 #EBBF4C #4CEB6F
split-complementary
#4C78EB #EB6F4C #C7EB4C
monochromatic
#133DAA #1950E1 #4C78EB #83A2F1 #BACBF7
Accessibility & contrast
On white
4.04
#4C78EB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.19
#4C78EB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4C78EB
5.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4C78EB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4C78EB | 1.00 | 4.04 | 5.19 | 5.19 |
| #FFFFFF | 4.04 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.19 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.19 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3786EF
Deuteranopia (green-blind)
#0077E9
Tritanopia (blue-blind)
#0093A6
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #4c78eb; /* rgb */ color: rgb(76, 120, 235); /* oklch */ color: oklch(60.2% 0.180 265.5);
Tailwind
colors: {
custom: {
50: '#8f9ef2',
500: '#4c78eb',
950: '#000000',
},
}SCSS
$custom: #4c78eb; $custom-light: #8f9ef2; $custom-dark: #000000;
JSON
{
"hex": "#4c78eb",
"rgb": {
"r": 76,
"g": 120,
"b": 235
},
"hsl": {
"h": 223.396,
"s": 79.899,
"l": 60.98
},
"oklch": {
"l": 0.60184,
"c": 0.18029,
"h": 265.5
},
"luminance": 0.20968
}Semantic roles & 50–950 ramp
primary
#4C78EB
secondary
#E7D7AB
accent
#A209DC
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0E17
muted
#7E7E85