#4D78CF#4D78CF
#4D78CF is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.4% C 0.142 H 262.9°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).
Color values
| HEX | #4D78CF |
|---|---|
| RGB | rgb(77, 120, 207) |
| HSL | hsl(220, 58%, 56%) |
| HSV | hsv(220, 63%, 81%) |
| CMYK | cmyk(62.8%, 42%, 0%, 18.8%) |
| CIE-LAB | lab(51.28, 12.43, -49.48) |
| CIE-LCH | lch(51.28, 51.01, 284.10°) |
| OKLab | oklab(58.41% -0.0175 -0.141) |
| OKLCH | oklch(58.41% 0.142 262.9) |
| XYZ | xyz(21.0356, 19.5138, 61.6774) |
| Luminance | 0.1952 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.52
Windows Blue
#3778BF
ΔE00 4.59
Deep Sky Blue
#0D75F8
ΔE00 4.67
Clear Blue
#247AFD
ΔE00 5.01
Lightish Blue
#3D7AFD
ΔE00 5.02
Cerulean Blue
#056EEE
ΔE00 5.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4D78CF #CFA44D
analogous
#4DB9CF #4D78CF #634DCF
triadic
#4D78CF #CF4D78 #78CF4D
tetradic
#4D78CF #CF4DB9 #CFA44D #4DCF63
square
#4D78CF #CF4DB9 #CFA44D #4DCF63
split-complementary
#4D78CF #CF634D #B9CF4D
monochromatic
#22417F #2F5AAF #4D78CF #7D9DDC #ADC1E9
Accessibility & contrast
On white
4.28
#4D78CF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.90
#4D78CF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4D78CF
4.90:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4D78CF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4D78CF | 1.00 | 4.28 | 4.90 | 4.90 |
| #FFFFFF | 4.28 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.90 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.90 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5081D2
Deuteranopia (green-blind)
#3D75CD
Tritanopia (blue-blind)
#008C99
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #4d78cf; /* rgb */ color: rgb(77, 120, 207); /* oklch */ color: oklch(58.4% 0.142 262.9);
Tailwind
colors: {
custom: {
50: '#8b9ede',
500: '#4d78cf',
950: '#000000',
},
}SCSS
$custom: #4d78cf; $custom-light: #8b9ede; $custom-dark: #000000;
JSON
{
"hex": "#4d78cf",
"rgb": {
"r": 77,
"g": 120,
"b": 207
},
"hsl": {
"h": 220.154,
"s": 57.522,
"l": 55.686
},
"oklch": {
"l": 0.5841,
"c": 0.14207,
"h": 262.9
},
"luminance": 0.19516
}Semantic roles & 50–950 ramp
primary
#4D78CF
secondary
#D7C5A1
accent
#AE47E1
background
#F9F9FD
surface
#F1F2FB
border
#CBCCD4
text
#0D0E15
muted
#7E7E83