#4A78CF#4A78CF
#4A78CF is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.3% C 0.143 H 261.9°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).
Color values
| HEX | #4A78CF |
|---|---|
| RGB | rgb(74, 120, 207) |
| HSL | hsl(219, 58%, 55%) |
| HSV | hsv(219, 64%, 81%) |
| CMYK | cmyk(64.3%, 42%, 0%, 18.8%) |
| CIE-LAB | lab(51.14, 11.90, -49.71) |
| CIE-LCH | lch(51.14, 51.11, 283.46°) |
| OKLab | oklab(58.26% -0.0201 -0.1417) |
| OKLCH | oklch(58.26% 0.143 261.9) |
| XYZ | xyz(20.7990, 19.3918, 61.6663) |
| Luminance | 0.1939 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.82
Windows Blue
#3778BF
ΔE00 4.15
Deep Sky Blue
#0D75F8
ΔE00 4.42
Cerulean Blue
#056EEE
ΔE00 4.80
Clear Blue
#247AFD
ΔE00 4.85
Lightish Blue
#3D7AFD
ΔE00 5.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4A78CF #CFA14A
analogous
#4ABBCF #4A78CF #5E4ACF
triadic
#4A78CF #CF4A78 #78CF4A
tetradic
#4A78CF #CF4ABB #CFA14A #4ACF5E
square
#4A78CF #CF4ABB #CFA14A #4ACF5E
split-complementary
#4A78CF #CF5E4A #BBCF4A
monochromatic
#21417D #2E5AAE #4A78CF #7A9CDC #ABC0E9
Accessibility & contrast
On white
4.30
#4A78CF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.88
#4A78CF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4A78CF
4.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4A78CF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4A78CF | 1.00 | 4.30 | 4.88 | 4.88 |
| #FFFFFF | 4.30 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.88 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.88 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5080D2
Deuteranopia (green-blind)
#3C74CD
Tritanopia (blue-blind)
#008C99
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #4a78cf; /* rgb */ color: rgb(74, 120, 207); /* oklch */ color: oklch(58.3% 0.143 261.9);
Tailwind
colors: {
custom: {
50: '#899ede',
500: '#4a78cf',
950: '#000000',
},
}SCSS
$custom: #4a78cf; $custom-light: #899ede; $custom-dark: #000000;
JSON
{
"hex": "#4a78cf",
"rgb": {
"r": 74,
"g": 120,
"b": 207
},
"hsl": {
"h": 219.248,
"s": 58.079,
"l": 55.098
},
"oklch": {
"l": 0.58263,
"c": 0.14315,
"h": 261.9
},
"luminance": 0.19394
}Semantic roles & 50–950 ramp
primary
#4A78CF
secondary
#D6C39F
accent
#AC46E1
background
#F9F9FD
surface
#F1F2FB
border
#CBCCD4
text
#0D0E15
muted
#7E7E83